Passage au Périhélie des Comètes

 

 

 

Chasseur de comètes de Michel ORY

 

Commander dès maintenant

 

Un des phénomènes les plus impressionnants de l'Univers nous dévoile peu à peu tous ses secrets.

 

Crainte de mauvais présages dans l'Antiquité, supposées maintenant avoir joué un rôle majeur dans le développement de la vie sur Terre, les comètes sont une éternelle source d'études et de fascination pour les astronomes amateurs comme pour les professionnels.

 

Fourmillant de conseils pratiques et d'anecdotes, le livre de Michel Ory nous immerge dans la vie quotidienne de ces chasseurs de comètes. Comment en découvrir une ? Comment se la faire attribuer ? Peut-on déterminer son orbite, calculer sa trajectoire, anticiper son retour ?

 

On découvre une communauté internationale de passionnés qui, depuis longtemps, contribue sans relâche à l'étude de ces phénomènes célestes. De nombreuses photos et des illustrations réalisées par le dessinateur de presse Pitch Comment viennent enrichir l'ensemble.

  

Professeur de physique au lycée cantonal de Porrentruy, ancien journaliste et astronome amateur passionné, Michel Ory écume les observatoires aux quatre coins du globe, à la recherche de ces phénomènes célestes. En 2008, par la découverte de 304P/Ory, il intègre la « communauté » des chasseurs/découvreurs de comètes.

 

Sommaire :

1. Découvrir sa première comète 2. Origine et nature des comètes 3. Les étoiles filantes, des poussières de comètes 4. Cometography, la référence mondiale 5. Mes amateur(e)s stars 6. Souvent perdues, parfois retrouvées 7. Ils ont décroché le jackpot 8. L'affaire Bappu et la légende Ikeya 9. Une comète pour la science 10. Comment observer les comètes depuis son jardin ? 11. Voir la prochaine grande comète Annexe. Où évoluent les comètes dans le système solaire ? Bibliographie Glossaire Index

 

Titre

Chasseur de comètes

Edition

1re édition

Date de parution

mars 2021

Nombre de pages

192 pages

Dimensions

210 × 150 mm

Poids

355 g

ISBN-13

9782807334908

 

 

Date de Passage au Périhélie des Comètes

d'après les données provenant de l'IAU - Minor Planet Center - Central Bureau for Astronomical Telegrams

 

 
Date de passage au plus près du Soleil
Nom
Magnitude prévue
Distance au Soleil (en millions de km)
Période (en années)
 
 1/ 2/1986  1P Halley                             1.7            90.470            75.56
 6/ 8/1989  23P Brorsen-Metcalf                   6.0            72.897            69.79
 2/12/1992  109P Swift-Tuttle                     4.6           145.081           133.63
11/ 9/1995  122P de Vico                          5.7            99.554            74.01
20/ 1/1996  95P Chiron                           15.7          1275.833            50.70
29/ 3/1997  C/1995 O1 Hale-Bopp                  -1.9           134.874          2386.47
14/ 5/2000  165P LINEAR                          20.0          1030.326            75.63
11/ 5/2001  167P CINEOS                          20.1          1764.806            65.27
 6/ 3/2002  153P Ikeya-Zhang                      5.5            78.699           360.80
14/ 5/2002  166P NEAT                            19.7          1275.217            51.38
27/ 1/2006  C/2002 VQ94 LINEAR                   17.8          1021.942          2522.49
 2/ 9/2006  177P Barnard                         14.0           163.313           120.65
 8/ 6/2007  C/2007 D1 LINEAR                     17.7          1320.019         54625.77
15/ 4/2009  C/2009 G1 STEREO                     10.6           170.016             ---
 1/ 4/2010  P/2010 E2 Jarnac                     18.6           361.914            25.39
29/ 8/2010  P/2010 J3 McMillan                   16.7           366.489            26.88
19/ 4/2011  P/2010 JC81 WISE                     13.8           270.598            23.10
23/ 7/2011  27P Crommelin                        10.7           112.455            27.84
 6/10/2011  P/2012 C3 PANSTARRS                  21.6           539.439            30.44
30/12/2011  P/2011 C2 Gibbs                      20.0           810.865            20.19
23/ 1/2012  P/2011 JB15 Spacewatch-Boattini      19.8           750.927            19.95
 1/ 6/2012  P/2012 G1 PANSTARRS                  20.6           386.585             8.52
13/ 6/2012  P/2012 NJ La Sagra                   15.8           193.369            24.61
 8/11/2012  P/2012 U2 PANSTARRS                  20.1           535.874            19.08
 1/12/2012  262P McNaught-Russell                14.0           189.695            18.03
18/12/2012  273P Pons-Gambart                    11.8           123.270           179.43
 2/ 3/2013  P/2013 P1 PANSTARRS                  20.4           505.279            25.09
 6/ 6/2013  270P Gehrels                         16.8           531.148            17.21
 3/ 7/2013  P/2013 N5 PANSTARRS                  21.1           272.508            17.73
11/ 7/2013  271P van Houten-Lemmon               20.7           638.503            18.70
18/ 7/2013  P/2012 B1 PANSTARRS                  17.9           576.821            16.68
28/ 8/2013  P/2013 J2 McNaught                   16.6           318.737            15.52
13/12/2013  P/2013 G1 Kowalski                   19.4           502.085            18.08
30/ 1/2014  292P Li                              18.5           376.214            15.09
 8/ 2/2014  290P Jager                           14.8           342.775            15.45
15/ 2/2014  P/2013 N3 PANSTARRS                  20.8           449.770            20.09
31/ 3/2014  P/2015 D5 Kowalski                   18.9           685.790            26.86
20/ 4/2014  P/2014 O3 PANSTARRS                  20.5           694.894            20.81
19/ 5/2014  134P Kowal-Vavrova                   16.7           387.593            15.66
 1/ 7/2014  P/2014 L3 Hill                       18.5           276.493            23.35
19/ 7/2014  P/2014 L2 NEOWISE                    16.4           331.745            15.83
11/ 8/2014  P/2011 S1 Gibbs                      20.6          1026.919            25.16
28/ 8/2014  301P LINEAR-NEAT                     19.3           356.021            13.75
29/ 9/2014  269P Jedicke                         19.3           603.032            18.83
21/12/2014  307P LINEAR                          19.0           281.946            13.94
21/12/2014  P/2015 T3 PANSTARRS                  19.7           318.299             9.00
25/12/2014  P/2014 M4 PANSTARRS                  20.0           356.525            14.24
31/12/2014  P/2014 X1 Elenin                     17.3           270.666            15.47
23/ 1/2015  P/2014 V1 PANSTARRS                  20.7           381.835            12.83
 3/ 2/2015  P/2015 B4 Lemmon-PANSTARRS           19.0           561.292            24.91
17/ 2/2015  P/2015 A3 PANSTARRS                  22.0           173.862            21.82
 4/ 3/2015  92P Sanguin                          18.1           271.143            12.36
24/ 4/2015  174P Echeclus                        17.3           869.925            35.08
26/ 4/2015  P/2015 C1 TOTAS-Gibbs                19.0           433.073            16.89
 6/ 5/2015  308P Lagerkvist-Carsenty             19.7           628.999            16.97
 5/ 6/2015  P/2015 K5 PANSTARRS                  20.1           449.217            17.43
28/ 6/2015  P/2015 R1 PANSTARRS                  19.0           321.778            14.26
 2/ 7/2015  P/2015 D6 Lemmon-PANSTARRS           20.6           682.099            19.09
 5/ 8/2015  140P Bowell-Skiff                    18.3           296.802            16.31
16/ 8/2015  P/2015 PD229 Cameron-ISON            17.8           721.958            19.25
 5/ 9/2015  P/2015 Q2 Pimentel                   18.3           274.035            19.92
10/ 9/2015  P/2015 M2 PANSTARRS                  19.8           885.946            19.44
14/ 9/2015  P/2015 B1 PANSTARRS                  20.5           898.038            29.27
30/ 9/2015  P/2015 W2 Catalina                   18.9           399.341            19.70
10/10/2015  151P Helin                           16.8           367.809            13.84
18/10/2015  P/2001 H5 NEAT                       18.6           366.278            15.06
24/10/2015  318P McNaught-Hartley                15.6           364.324            20.53
29/11/2015  329P LINEAR-Catalina                 15.0           250.780            11.83
29/12/2015  P/2014 W4 PANSTARRS                  19.9           639.419            16.95
20/ 1/2016  P/2015 P4 PANSTARRS                  20.2           375.688            14.88
23/ 2/2016  P/2016 A7 PANSTARRS                  20.8           327.544            11.29
17/ 3/2016  332P-B Ikeya-Murakami                20.3           235.301             5.41
17/ 3/2016  332P-D Ikeya-Murakami                20.3           235.177             5.41
17/ 3/2016  332P-E Ikeya-Murakami                22.3           235.337             5.41
17/ 3/2016  332P-F Ikeya-Murakami                22.3           236.992             5.63
17/ 3/2016  332P-I Ikeya-Murakami                20.8           235.328             5.41
17/ 3/2016  332P-J Ikeya-Murakami                20.8           235.672             5.50
19/ 3/2016  332P-G Ikeya-Murakami                20.1           231.826             5.33
19/ 4/2016  C/2013 X1 PANSTARRS                  12.6           198.251             ---
27/ 4/2016  P/2017 G1 PANSTARRS                  19.9           378.260            19.66
30/ 4/2016  53P Van Biesbroeck                   14.0           363.764            12.64
 2/ 5/2016  C/2015 D3 PANSTARRS                  19.1          1218.047             ---
 5/ 5/2016  C/2015 B2 PANSTARRS                  17.7           504.449             ---
11/ 5/2016  C/2017 E2 Tsuchinshan                17.3           351.409            99.86
13/ 5/2016  C/2015 W1 Gibbs                      18.7           335.641             ---
13/ 5/2016  C/2015 Y1 LINEAR                     18.1           376.382          3674.95
28/ 5/2016  C/2011 KP36 Spacewatch               15.0           730.156           243.42
10/ 6/2016  C/2017 E5 Lemmon                     16.1           267.440             ---
16/ 6/2016  C/2015 T4 PANSTARRS                  16.6           344.113           710.61
23/ 6/2016  P/2017 D1 Fuls                       21.2           407.317            10.61
13/ 7/2016  C/2016 K1 LINEAR                     17.7           343.532             ---
19/ 7/2016  56P Slaughter-Burnham                16.7           373.612            11.42
22/ 7/2016  P/2016 R4 Gibbs                      18.6           417.673            12.31
29/ 7/2016  C/2015 X7 ATLAS                      18.0           550.415             ---
 8/ 8/2016  C/2014 R3 PANSTARRS                  19.6          1088.035             ---
25/ 8/2016  C/2015 TQ209 LINEAR                  13.9           211.814             ---
26/ 8/2016  330P Catalina                        19.7           447.926            17.07
28/ 8/2016  C/2015 V4 PANSTARRS                  19.8           816.658            79.35
29/ 8/2016  C/2016 A8 LINEAR                     14.9           282.939           201.35
 4/ 9/2016  P/2017 D4 PANSTARRS                  20.3           420.404            20.79
14/ 9/2016  C/2015 H2 PANSTARRS                  17.9           745.036             ---
 8/10/2016  314P Montani                         19.1           635.107            19.60
 9/10/2016  C/2016 R3 Borisov                    15.2            68.000             ---
18/10/2016  C/2016 P4 PANSTARRS                  21.9           882.465          8538.07
27/10/2016  P/2015 TP200 LINEAR                  18.6           505.909            19.62
31/10/2016  344P Read                            18.9           420.800            10.73
28/11/2016  315P LONEOS                          16.5           353.532            10.98
 4/12/2016  C/2016 B1 NEOWISE                    17.7           481.300          9131.97
12/12/2016  C/2014 OE4 PANSTARRS                 19.1           934.912             ---
29/12/2016  C/2016 T2 Matheny                    18.8           284.715           989.14
 5/ 1/2017  P/2017 B4 PANSTARRS                  20.5           419.008             9.26
 9/ 1/2017  128P Shoemaker-Holt                  15.3           456.519             9.52
 9/ 1/2017  C/2017 D5 PANSTARRS                  20.8           322.819          1219.11
13/ 1/2017  C/2016 U1 NEOWISE                    12.4            48.554             ---
18/ 1/2017  C/2017 C1 NEOWISE                    20.4           224.113            93.31
21/ 1/2017  C/2017 C2 PANSTARRS                  19.2           362.313           938.50
28/ 1/2017  343P NEAT-LONEOS                     19.6           339.665            12.76
30/ 1/2017  C/2017 A3 Elenin                     18.0           575.139           286.15
 1/ 2/2017  C/2016 T1 Matheny                    20.5           344.930          1403.09
 2/ 2/2017  336P McNaught                        20.6           417.709            11.29
13/ 2/2017  346P Catalina                        19.0           333.198             9.47
17/ 2/2017  188P LINEAR-Mueller                  18.1           382.317             9.15
23/ 2/2017  P/2016 WM48 Lemmon                   19.3           264.103            23.33
28/ 2/2017  93P Lovas                            13.0           254.076             9.18
 5/ 3/2017  C/2016 VZ18 PANSTARRS                17.9           136.782          2055.88
13/ 3/2017  172P Yeung                           20.7           500.662             8.65
15/ 3/2017  P/2016 S1 PANSTARRS                  17.9           359.181            23.82
10/ 4/2017  C/2017 E1 Borisov                    14.3           135.124             ---
10/ 4/2017  P/2017 R1 PANSTARRS                  21.7           497.546             8.41
15/ 4/2017  C/2017 G3 PANSTARRS                  19.3           387.089          5591.02
23/ 4/2017  C/2017 E4 Lovejoy                    14.1            73.486             ---
27/ 4/2017  C/2017 D3 ATLAS                      18.0           743.730             ---
28/ 4/2017  P/2016 A3 PANSTARRS                  20.0           723.660            22.16
28/ 4/2017  C/2017 M3 PANSTARRS                  20.5           696.522          2154.06
10/ 5/2017  C/2015 ER61 PANSTARRS                11.6           156.173             ---
10/ 5/2017  C/2015 E61-B PANSTARRS               14.1           156.430             ---
16/ 5/2017  C/2017 A1 PANSTARRS                  18.9           342.512           660.60
18/ 5/2017  C/2015 T2 PANSTARRS                  20.9          1037.603             ---
24/ 5/2017  C/2017 S7 Lemmon                     20.5          1137.954             ---
31/ 5/2017  P/2017 K3 Gasparovic                 18.8           350.539            13.19
 4/ 6/2017  C/2016 E1 PANSTARRS                  20.1          1223.468             ---
 7/ 6/2017  334P NEAT                            20.1           663.127            17.88
 7/ 6/2017  C/2017 E3 PANSTARRS                  17.9           888.368             ---
10/ 6/2017  P/1999 XN120 Catalina                19.3           493.727             8.54
11/ 6/2017  47P Ashbrook-Jackson                 19.1           420.611             8.38
11/ 6/2017  C/2015 V2 Johnson                     6.7           246.117             ---
11/ 6/2017  P/2017 G2 PANSTARRS                  19.7           424.672            22.90
19/ 6/2017  90P Gehrels                          18.5           443.649            14.89
22/ 6/2017  352P Skiff                           17.4           379.089            17.10
14/ 7/2017  C/2017 D2 Barros                     16.0           372.781             ---
17/ 7/2017  217P LINEAR                          13.7           183.988             7.85
15/ 8/2017  C/2018 F3 Johnson                    19.2           371.477             ---
21/ 8/2017  359P LONEOS                          20.2           469.139             9.99
27/ 8/2017  C/2015 VL62 Lemmon-Yeung-PANSTAR     13.6           406.808             ---
28/ 8/2017  C/2017 U2 Fuls                       21.1          1003.458             ---
29/ 8/2017  C/2017 S2 PANSTARRS                  20.8           540.253            93.25
31/ 8/2017  C/2017 Y1 PANSTARRS                  20.3           555.074             ---
 1/ 9/2017  145P Shoemaker-Levy                  17.3           283.961             8.42
 6/ 9/2017  C/2016 T3 PANSTARRS                  17.3           395.905          1493.04
 8/ 9/2017  P/2010 H2 Vales                      13.9           461.221             7.51
 8/ 9/2017  C/2014 B1 Schwartz                   18.9          1428.963             ---
 9/ 9/2017  1I `Oumuamua                         20.4            38.280             ---
16/ 9/2017  C/2016 N4 MASTER                     15.8           478.337             ---
23/ 9/2017  P/2018 A5 PANSTARRS                  21.6           402.604            13.37
15/10/2017  C/2017 O1 ASASSN                     12.0           223.430             ---
17/10/2017  65P Gunn                             18.5           436.265             7.66
20/10/2017  C/2018 A1 PANSTARRS                  18.1           361.073           125.74
 1/11/2017  C/2017 W2 Leonard                    20.1           591.115            50.46
14/11/2017  24P Schaumasse                        9.9           176.631             8.16
21/11/2017  236P LINEAR                          17.5           274.072             7.20
22/11/2017  C/2016 A1 PANSTARRS                  16.7           796.058             ---
27/11/2017  C/2017 F2 PANSTARRS                  20.3          1036.912             ---
29/11/2017  C/2017 F1 Lemmon                     19.9           672.618             ---
 2/12/2017  14P Wolf                             20.6           409.722             8.79
 3/12/2017  183P Korlevic-Juric                  18.6           585.661             9.66
 6/12/2017  C/2017 P2 PANSTARRS                  16.3           369.092             ---
 9/12/2017  139P Vaisala-Oterma                  16.9           509.664             9.62
15/12/2017  350P McNaught                        22.9           556.156             8.28
16/12/2017  C/2015 V1 PANSTARRS                  15.8           638.893             ---
17/12/2017  356P WISE                            20.1           401.397             8.48
18/12/2017  C/2017 U5 PANSTARRS                  21.1           646.239            69.33
21/12/2017  353P McNaught                        20.0           330.656             8.52
24/12/2017  C/2018 E2 Barros                     19.4           586.371             ---
29/12/2017  C/2015 X5 PANSTARRS                  19.7          1016.705             ---
 3/ 1/2018  C/2017 K6 Jacques                    15.3           298.738             ---
 8/ 1/2018  C/2017 K4 ATLAS                      17.0           396.832           152.71
18/ 1/2018  P/1998 VS24 LINEAR                   18.3           513.390             9.64
22/ 1/2018  P/2018 H2 PANSTARRS                  19.5           302.124             9.20
28/ 1/2018  C/2016 Q4 Kowalski                   19.9          1060.185            69.75
30/ 1/2018  250P Larson                          18.6           336.873             7.29
 8/ 2/2018  245P WISE                            19.8           328.364             8.13
10/ 2/2018  P/2017 Y3 Leonard                    18.4           191.394            30.89
15/ 2/2018  C/2017 AB5 PANSTARRS                 19.8          1377.991             ---
19/ 2/2018  C/2015 O1 PANSTARRS                  15.0           557.779             ---
21/ 2/2018  C/2017 T1 Heinze                     12.6            87.268             ---
25/ 2/2018  P/2018 C1 Lemmon-Read                18.8           395.127            13.45
26/ 2/2018  C/2017 S6 Catalina                   16.4           231.173             ---
28/ 2/2018  P/2017 W3 Gibbs                      18.7           577.954            21.96
 3/ 3/2018  C/2018 R4 Fuls                       18.2           256.535          6065.33
 6/ 3/2018  363P Lemmon                          19.9           250.791             6.68
17/ 3/2018  235P LINEAR                          17.4           402.047             7.90
17/ 3/2018  C/2017 K1 PANSTARRS                  19.7          1090.498             ---
20/ 3/2018  391P Kowalski                        17.6           615.422            10.12
29/ 3/2018  C/2018 B1 Lemmon                     19.9           765.518             ---
 6/ 4/2018  C/2018 K1 Weiland                    19.4           281.612           164.37
16/ 4/2018  74P Smirnova-Chernykh                15.7           546.346             8.91
17/ 4/2018  C/2018 E1 ATLAS                      17.1           404.057           395.98
27/ 4/2018  C/2015 XY1 Lemmon                    19.2          1185.298             ---
 4/ 5/2018  37P Forbes                           16.7           241.266             6.44
 5/ 5/2018  143P Kowal-Mrkos                     16.5           377.549             8.86
 5/ 5/2018  P/2018 L5 Leonard                    20.1           344.771             6.91
 8/ 5/2018  253P PANSTARRS                       19.9           304.023             6.46
 9/ 5/2018  C/2016 R2 PANSTARRS                  13.7           389.201         11331.24
15/ 5/2018  187P LINEAR                          17.2           579.671             9.77
15/ 5/2018  240P NEAT                            17.9           318.795             7.60
18/ 5/2018  C/2018 A4 PANSTARRS                  20.4           358.852            42.60
19/ 5/2018  66P duToit                           15.9           193.504            14.94
21/ 5/2018  159P LONEOS                          18.9           541.533            14.17
22/ 5/2018  C/2018 EF9 Lemmon                    20.1           233.076             ---
28/ 5/2018  357P Hill                            22.2           377.192             9.42
31/ 5/2018  164P Christensen                     15.4           251.654             6.99
 1/ 6/2018  C/2018 C2 Lemmon                     16.3           293.022             ---
 4/ 6/2018  C/2017 M5 TOTAS                      18.0           896.917             ---
 5/ 6/2018  P/2018 VN2 Leonard                   20.4           317.062             8.19
 6/ 6/2018  C/2018 EN4 NEOWISE                   18.1           217.112            77.59
 9/ 6/2018  370P NEAT                            19.6           371.047            16.32
15/ 6/2018  C/2017 X1 PANSTARRS                  20.1           698.529           175.06
18/ 6/2018  P/2002 EJ57 LINEAR                   19.3           394.490            16.46
19/ 6/2018  P/2017 P1 PANSTARRS                  21.0           814.264            22.20
20/ 6/2018  367P Catalina                        20.8           377.450             6.56
20/ 6/2018  P/2017 TW13 Lemmon                   18.9           310.411            19.09
 2/ 7/2018  361P Spacewatch                      19.2           415.219            10.98
10/ 7/2018  C/2018 M1 Catalina                   17.1           194.851            98.81
14/ 7/2018  49P Arend-Rigaux                     16.9           214.547             6.75
17/ 7/2018  C/2016 N6 PANSTARRS                  14.1           398.629             ---
18/ 7/2018  C/2017 T3 ATLAS                      10.0           123.441             ---
20/ 7/2018  366P Spacewatch                      20.3           340.812             6.54
22/ 7/2018  267P LONEOS                          20.1           185.358             5.76
31/ 7/2018  P/2018 L4 PANSTARRS                  19.4           251.277            10.98
 1/ 8/2018  C/2018 N1 NEOWISE                    14.4           196.024             ---
 2/ 8/2018  P/2019 A3 PANSTARRS                  20.9           345.689             5.58
 9/ 8/2018  105P Singer Brewster                 17.8           306.277             6.46
10/ 8/2018  C/2016 M1 PANSTARRS                   9.7           331.083             ---
12/ 8/2018  48P Johnson                          15.5           299.869             6.55
16/ 8/2018  C/2017 S3 PANSTARRS                   4.1            31.080             ---
21/ 8/2018  C/2019 Q3 PANSTARRS                  21.1          1085.306             ---
26/ 8/2018  243P NEAT                            17.7           366.753             7.50
27/ 8/2018  125P Spacewatch                      12.2           227.858             5.53
29/ 8/2018  P/2019 A6 Lemmon-PANSTARRS           20.8           289.553            12.42
31/ 8/2018  C/2018 O1 ATLAS                      19.4           233.476           147.69
10/ 9/2018  21P Giacobini-Zinner                  9.4           151.194             6.54
14/ 9/2018  368P NEAT                            17.7           308.916            12.99
16/ 9/2018  59P Kearns-Kwee                      14.6           352.402             9.51
16/ 9/2018  A/2019 G4                            20.9           876.328             ---
21/ 9/2018  133P Elst-Pizarro                    19.5           399.114             5.63
23/ 9/2018  C/2017 U4 PANSTARRS                  20.3          1155.023             ---
 1/10/2018  26P Grigg-Skjellerup                 14.9           162.144             5.23
 2/10/2018  P/2011 V1 Boattini                   18.6           259.196             7.57
 2/10/2018  P/2018 V5 Trujillo-Sheppard          22.4           703.676            26.79
 4/10/2018  371P LINEAR-Skiff                    19.9           327.367             8.55
 9/10/2018  P/2018 P3 PANSTARRS                  16.5           262.360             5.21
10/10/2018  P/2019 A1 PANSTARRS                  21.3           330.766            11.59
12/10/2018  P/2005 J1 McNaught                   20.2           229.835             6.75
15/10/2018  369P Hill                            18.6           292.277             9.18
21/10/2018  372P McNaught                        21.7           570.933             9.56
29/10/2018  P/2019 A8 PANSTARRS                  20.2           258.676             6.06
 4/11/2018  64P Swift-Gehrels                    13.1           207.949             9.40
 8/11/2018  P/2018 P4 PANSTARRS                  20.1           548.577            17.24
10/11/2018  38P Stephan-Oterma                    9.2           237.226            37.69
12/11/2018  P/2018 L1 PANSTARRS                  19.8           282.511             6.98
20/11/2018  P/2019 A2 ATLAS                      18.4           529.541            13.69
26/11/2018  C/2018 V2 ATLAS                      20.1           370.686           125.85
 1/12/2018  247P LINEAR                          17.1           223.145             7.91
 2/12/2018  C/2018 L2 ATLAS                      14.3           256.268          4206.29
 3/12/2018  C/2018 V1 Machholz-Fujikawa-Iwam      7.3            57.830             ---
 6/12/2018  P/2013 R3 Catalina-PANSTARRS         19.2           328.943             5.28
 6/12/2018  P/2013 R3-A Catalina-PANSTARRS       14.2           328.941             5.28
 7/12/2018  P/2013 R3-B Catalina-PANSTARRS       14.2           328.943             5.28
 9/12/2018  60P Tsuchinshan                      15.1           244.941             6.61
12/12/2018  46P Wirtanen                          9.0           158.063             5.44
13/12/2018  137P Shoemaker-Levy                  15.1           288.443             9.61
13/12/2018  198P ODAS                            12.2           299.710             6.83
13/12/2018  C/2018 F1 Grauer                     19.1           447.978          4651.19
21/12/2018  375P Hill                            19.2           283.807            13.10
30/12/2018  C/2018 X3 PANSTARRS                  20.1           403.293            43.53
30/12/2018  C/2020 K2 PANSTARRS                  20.4          1223.275             ---
 1/ 1/2019  P/2018 Y2 Africano                   19.7           581.918            20.38
 2/ 1/2019  C/2019 M3 ATLAS                      18.0           361.862             ---
 9/ 1/2019  239P LINEAR                          17.9           247.362             9.45
10/ 1/2019  374P Larson                          20.0           399.945            11.09
10/ 1/2019  C/2018 R5 Lemmon                     20.2           542.114           108.78
12/ 1/2019  C/2018 A3 ATLAS                      15.7           490.004          9608.89
13/ 1/2019  171P Spahr                           15.9           265.107             6.70
17/ 1/2019  C/2017 M4 ATLAS                      14.1           486.678             ---
24/ 1/2019  131P Mueller                         16.9           361.274             7.06
27/ 1/2019  223P Skiff                           20.6           363.399             8.48
 2/ 2/2019  C/2017 B3 LINEAR                     15.2           586.975             ---
 5/ 2/2019  123P West-Hartley                    16.0           320.247             7.62
 6/ 2/2019  C/2018 Y1 Iwamoto                    10.7           192.210          1654.84
11/ 2/2019  P/1996 R2 Lagerkvist                 18.2           387.315             7.33
21/ 2/2019  P/2019 S2 PANSTARRS                  22.6           562.149            10.31
23/ 2/2019  149P Mueller                         17.8           393.392             9.06
25/ 2/2019  C/2010 U3 Boattini                   14.8          1263.234             ---
27/ 2/2019  C/2018 P5 PANSTARRS                  21.3           684.868            45.82
 1/ 3/2019  C/2018 V4 Africano                   20.1           478.241          2940.91
 2/ 3/2019  P/2012 O1 McNaught                   21.0           214.738             6.66
18/ 3/2019  69P Taylor                           22.2           341.339             7.67
19/ 3/2019  C/2019 B1 Africano                   18.9           238.858          1736.87
24/ 3/2019  29P Schwassmann-Wachmann             15.8           862.984            14.84
25/ 3/2019  186P Garradd                         16.9           651.609            11.05
26/ 3/2019  C/2019 LB7 Kleyna                    23.6           371.518           204.24
 1/ 4/2019  C/2019 L2 NEOWISE                    20.2           242.501           123.91
 2/ 4/2019  78P Gehrels                          14.4           300.921             7.23
 5/ 4/2019  232P Hill                            18.7           446.235             9.48
 8/ 4/2019  373P Rinner                          20.3           345.870             7.42
 9/ 4/2019  C/2019 J1 Lemmon                     17.8           371.019           580.28
13/ 4/2019  P/2014 C1 TOTAS                      17.0           250.881             5.30
15/ 4/2019  P/2017 U3 PANSTARRS                  20.9           664.517            10.94
27/ 4/2019  C/2019 H1 NEOWISE                    19.0           276.174          3653.05
28/ 4/2019  C/2016 X1 Lemmon                     19.2          1131.237         44797.97
 2/ 5/2019  138P Shoemaker-Levy                  20.6           254.426             6.89
 6/ 5/2019  P/2012 O2 McNaught                   20.6           253.316             6.90
 7/ 5/2019  P/2019 W1 PANSTARRS                  21.3           499.398             9.71
10/ 5/2019  P/2019 GG21 PANSTARRS                20.5           589.404            20.43
11/ 5/2019  C/2018 W1 Catalina                   17.8           203.556           101.09
11/ 5/2019  C/2019 D1 Flewelling                 16.0           236.267          1692.77
31/ 5/2019  C/2019 JU6 ATLAS                     18.6           306.118          6358.39
 3/ 6/2019  380P PANSTARRS                       19.0           451.418             9.61
 5/ 6/2019  222P LINEAR                          19.9           123.788             4.94
 7/ 6/2019  C/2018 R3 Lemmon                     12.1           192.800             ---
 8/ 6/2019  C/2019 A5 PANSTARRS                  21.7           945.798           100.21
 9/ 6/2019  P/2019 B2 Groeller                   20.3           363.016             7.61
12/ 6/2019  209P LINEAR                          16.3           144.766             5.09
16/ 6/2019  231P LINEAR-NEAT                     19.4           453.205             8.08
16/ 6/2019  C/2019 K4 Ye                         18.2           338.144             ---
17/ 6/2019  P/2000 R2 LINEAR                     21.2           242.906             6.45
18/ 6/2019  261P Larson                          19.2           301.163             6.52
22/ 6/2019  C/2019 K5 Young                      17.8           304.545          2007.58
22/ 6/2019  P/2019 M2 ATLAS                      18.2           159.285             5.27
26/ 6/2019  P/1999 RO28 LONEOS                   21.3           168.050             6.34
 4/ 7/2019  31P Schwassmann-Wachmann             21.6           512.294             8.73
 8/ 7/2019  C/2018 X2 Fitzsimmons                17.6           318.112          1770.62
14/ 7/2019  C/2018 A6 Gibbs                      16.2           451.660            59.76
19/ 7/2019  C/2019 J2 Palomar                    16.6           258.397             ---
19/ 7/2019  P/2019 X1 Pruyne                     20.3           643.573            15.35
21/ 7/2019  C/2019 K8 ATLAS                      19.1           477.952             ---
22/ 7/2019  A/2019 Q2                            19.2           188.080           432.36
23/ 7/2019  388P Gibbs                           18.3           299.711            12.01
26/ 7/2019  C/2019 A9 PANSTARRS                  18.2           214.046           249.19
29/ 7/2019  200P Larsen                          16.6           493.339            10.98
29/ 7/2019  C/2020 A3 ATLAS                      19.6           873.555             ---
 1/ 8/2019  379P Spacewatch                      20.7           347.890             6.61
 1/ 8/2019  C/2019 J3 ATLAS                      18.6           355.218             ---
 1/ 8/2019  P/2019 T5 ATLAS                      18.6           228.530            22.65
 2/ 8/2019  P/2006 F4 Spacewatch                 20.7           347.931             6.61
 4/ 8/2019  264P Larsen                          19.1           364.360             7.69
 5/ 8/2019  163P NEAT                            20.0           308.976             7.31
 5/ 8/2019  168P Hergenrother                    17.2           203.167             6.78
11/ 8/2019  C/2019 L1 PANSTARRS                  19.5           432.619            30.86
17/ 8/2019  P/2012 K3 Gibbs                      18.7           312.747             6.90
18/ 8/2019  C/2018 DO4 Lemmon                    17.2           360.468           130.48
26/ 8/2019  P/2019 S3 PANSTARRS                  21.0           270.247             6.31
28/ 8/2019  396P                                 21.5           595.741            17.81
31/ 8/2019  322P SOHO                             6.7             9.024             3.97
 5/ 9/2019  C/2018 W2 Africano                   10.9           217.721             ---
 6/ 9/2019  387P Boattini                        16.9           189.466            10.51
 8/ 9/2019  A/2018 V3                            15.9           200.560          1354.68
 9/ 9/2019  C/2018 KJ3 Lemmon                    18.0           542.962             ---
 9/ 9/2019  C/2019 F2 ATLAS                      18.0           335.110            68.45
10/ 9/2019  260P McNaught                        13.9           211.855             6.90
10/ 9/2019  C/2020 R6 Rankin                     18.5           467.679         13379.70
14/ 9/2019  385P Hill                            18.7           383.986             8.88
14/ 9/2019  C/2017 U7                            16.2           960.890             ---
18/ 9/2019  P/2019 U4 PANSTARRS                  21.8           276.211             6.61
27/ 9/2019  376P LONEOS                          19.7           421.537            14.11
27/ 9/2019  381P LINEAR-Spacewatch               19.9           339.029            19.01
28/ 9/2019  P/2005 GF8 LONEOS                    18.7           421.537            14.12
 2/10/2019  175P Hergenrother                    19.2           291.670             6.39
11/10/2019  384P Kowalski                        17.4           166.857             4.94
19/10/2019  C/2020 B3 Rankin                     21.3           500.264             ---
25/10/2019  393P Spacewatch-Hill                 19.9           629.720            10.47
26/10/2019  76P West-Kohoutek-Ikemura            18.1           239.958             6.47
26/10/2019  383P Christensen                     19.7           212.350             6.68
 7/11/2019  P/2019 T6 PANSTARRS                  18.8           306.854            12.67
 9/11/2019  68P Klemola                          13.9           268.489            11.02
10/11/2019  C/2018 N2 ASASSN                     12.8           467.479             ---
12/11/2019  P/2003 F2 NEAT                       21.8           444.806            16.56
14/11/2019  155P Shoemaker                       17.3           269.464            16.88
30/11/2019  294P LINEAR                          18.1           193.597             5.74
30/11/2019  394P PANSTARRS                       20.9           409.648             9.02
30/11/2019  P/2013 T2 Schwartz                   19.7           260.411             6.52
 2/12/2019  160P LINEAR                          18.2           267.452             7.33
 4/12/2019  C/2018 F4 PANSTARRS                  17.5           514.696             ---
 7/12/2019  401P McNaught                        18.8           362.566            13.87
 8/12/2019  2I Borisov                           15.5           300.180             ---
 9/12/2019  A/2019 G2                            19.7           342.692             ---
20/12/2019  289P Blanpain                        14.9           143.408             5.32
21/12/2019  A/2020 H9                            22.7           385.870             ---
23/12/2019  P/2020 M1 PANSTARRS                  21.3           398.773            11.61
29/12/2019  389P Siding Spring                   20.1           248.874            13.35
 8/ 1/2020  C/2020 A2 Iwamoto                    14.5           146.249             ---
12/ 1/2020  101P Chernykh                        16.3           350.769            13.98
14/ 1/2020  114P Wiseman-Skiff                   14.1           236.167             6.68
17/ 1/2020  321P SOHO                             7.2             7.737             3.77
22/ 1/2020  306P LINEAR                          21.7           190.008             5.52
 1/ 2/2020  407P PANSTARRS-Fuls                  18.2           318.196             6.43
 7/ 2/2020  112P Urata-Niijima                   18.0           216.326             6.62
10/ 2/2020  A/2019 O4                            21.5           545.307           188.65
12/ 2/2020  C/2019 K1 ATLAS                      14.9           301.094             ---
 3/ 3/2020  C/2020 K4 PANSTARRS                  20.9           262.266           116.63
 4/ 3/2020  203P Korlevic                        20.2           478.585            10.10
 9/ 3/2020  228P LINEAR                          19.2           513.927             8.52
15/ 3/2020  C/2019 Y1 ATLAS                      13.7           124.396           794.59
17/ 3/2020  P/2020 G1 Pimentel                   14.3            75.691             6.86
22/ 3/2020  390P Gibbs                           16.4           254.275            13.98
26/ 3/2020  C/2017 K5 PANSTARRS                  18.3          1149.018             ---
31/ 3/2020  392P LINEAR                          19.2           291.666            15.24
 4/ 4/2020  P/2020 W1 Rankin                     21.2           791.042            19.31
 7/ 4/2020  210P Christensen                     11.4            79.021             5.63
 7/ 4/2020  C/2019 S4 Lemmon                     19.3           514.927          3581.21
 8/ 4/2020  P/2005 T2 Christensen                20.3           335.821             7.54
11/ 4/2020  C/2020 F6 PANSTARRS                  20.4           525.254          7854.26
15/ 4/2020  313P Gibbs                           21.5           361.918             5.62
19/ 4/2020  266P Christensen                     20.6           349.266             6.64
26/ 4/2020  124P Mrkos                           17.3           246.607             6.05
27/ 4/2020  354P LINEAR                          20.7           299.474             3.46
27/ 4/2020  C/2020 H2 Pruyne                     16.7           124.729             ---
 2/ 5/2020  P/2020 O1 Lemmon-PANSTARRS           20.7           348.346             4.30
 4/ 5/2020  C/2017 T2 PANSTARRS                   8.2           241.668             ---
 5/ 5/2020  C/2019 C1                            22.1           984.498         19776.18
 6/ 5/2020  P/2003 T12 SOHO                      15.8            89.125             4.16
 9/ 5/2020  87P Bus                              15.7           314.245             6.39
20/ 5/2020  C/2019 K6 PANSTARRS                  19.8           587.739             ---
27/ 5/2020  58P Jackson-Neujmin                  17.0           206.089             8.26
27/ 5/2020  C/2020 F8 SWAN                        6.1            64.397             ---
28/ 5/2020  P/2020 R5 PANSTARRS                  20.4           510.649            11.11
31/ 5/2020  36P Whipple                          21.9           452.061             8.40
31/ 5/2020  C/2019 Y4 ATLAS                       2.5            37.862             ---
31/ 5/2020  C/2019 Y4-A ATLAS                     2.3            37.581             ---
31/ 5/2020  C/2019 Y4-B ATLAS                     3.5            37.808             ---
31/ 5/2020  C/2019 Y4-C ATLAS                     3.4            37.738             ---
31/ 5/2020  C/2019 Y4-D ATLAS                     3.2            37.651             ---
 1/ 6/2020  C/2020 K3 Leonard                    17.8           236.822             ---
 2/ 6/2020  C/2020 H7 Lemmon                     20.3           661.155             ---
 3/ 6/2020  84P Giclas                           16.2           257.129             6.69
 5/ 6/2020  C/2020 H3 Wierzchos                  18.2           344.119             ---
 6/ 6/2020  C/2020 H8 PANSTARRS                  20.3           699.885             ---
17/ 6/2020  C/2019 K7 Smith                      15.6           669.507             ---
18/ 6/2020  C/2019 U6                            14.0           136.785             ---
19/ 6/2020  258P PANSTARRS                       21.4           520.791             9.23
19/ 6/2020  397P Lemmon                          17.9           340.645             7.49
25/ 6/2020  2P Encke                              4.8            50.454             3.30
29/ 6/2020  249P LINEAR                          11.4            74.358             4.59
 3/ 7/2020  C/2020 F3 NEOWISE                     8.6            44.204             ---
11/ 7/2020  377P Scotti                          19.9           750.551            17.38
16/ 7/2020  178P Hug-Bell                        19.2           281.428             6.92
16/ 7/2020  C/2019 V1 Borisov                    18.9           463.334             ---
20/ 7/2020  C/2019 Q1 Lemmon                     18.7           747.693             ---
21/ 7/2020  P/2020 X1 ATLAS                      20.0           429.874             9.61
29/ 7/2020  115P Maury                           15.4           307.681             8.83
 8/ 8/2020  P/2020 S5 PANSTARRS                  20.5           400.749             8.15
12/ 8/2020  304P Ory                             18.2           188.279             5.59
14/ 8/2020  C/2020 Q1 Borisov                    16.2           196.721           456.02
19/ 8/2020  386P PANSTARRS                       20.9           354.254             8.17
23/ 8/2020  C/2020 N2 ATLAS                      18.6           268.397          1126.03
29/ 8/2020  C/2020 H4 Leonard                    15.8           138.690           334.14
 6/ 9/2020  298P Christensen                     21.0           329.581             6.81
10/ 9/2020  257P Catalina                        18.0           320.516             7.30
10/ 9/2020  P/2013 W1 PANSTARRS                  20.8           212.621             6.52
12/ 9/2020  278P McNaught                        19.1           312.137             7.11
14/ 9/2020  C/2020 K8 Catalina-ATLAS             12.6            71.009             ---
15/ 9/2020  406P Gibbs                           18.3           244.887             6.76
16/ 9/2020  403P Catalina                        18.6           403.192            12.64
17/ 9/2020  296P Garradd                         18.3           272.730             6.54
25/ 9/2020  312P NEAT                            19.1           296.708             6.45
26/ 9/2020  88P Howell                           14.4           202.413             5.47
26/ 9/2020  317P WISE                            19.9           190.504             5.11
29/ 9/2020  254P McNaught                        17.8           469.307             9.90
30/ 9/2020  331P Gibbs                           18.2           431.030             5.21
 1/10/2020  233P La Sagra                        19.1           266.665             5.28
 3/10/2020  218P LINEAR                          18.2           174.974             5.44
 7/10/2020  311P PANSTARRS                       20.8           289.626             3.24
 9/10/2020  C/2020 T5 Lemmon                     20.1           282.600             ---
17/10/2020  P/2015 X6 PANSTARRS                  20.9           340.799             4.57
19/10/2020  P/2005 Y2 McNaught                   17.1           505.600            16.14
20/10/2020  378P McNaught                        20.1           505.599            16.14
20/10/2020  C/2020 P1 NEOWISE                     9.6            51.186             ---
22/10/2020  P/2019 V2 Groeller                   20.8           750.452            20.58
25/10/2020  C/2020 M3 ATLAS                      13.6           189.730           139.16
25/10/2020  C/2020 M3 ATLAS                      13.6           189.730           139.16
26/10/2020  184P Lovas                           15.8           254.818             7.39
 4/11/2020  C/2017 Y2 PANSTARRS                  25.3           692.975             ---
 9/11/2020  91P Russell                          16.5           389.597             7.68
11/11/2020  C/2020 X4 Leonard                    19.7           779.341           321.52
11/11/2020  P/2021 A5 PANSTARRS                  20.4           392.044             5.32
14/11/2020  C/2020 H5 Robinson                   19.7          1401.343         34482.82
15/11/2020  C/2020 X2 ATLAS                      18.9           572.727            66.35
16/11/2020  P/2009 WX51 Catalina                 19.1           119.697             5.41
17/11/2020  156P Russell-LINEAR                  14.7           199.423             6.44
18/11/2020  P/2020 S7 PANSTARRS                  21.1           442.974            11.26
23/11/2020  A/2020 M4                            22.6           890.477             ---
23/11/2020  P/2020 S6 Leonard                    18.5           280.470             6.83
26/11/2020  11P Tempel-Swift-LINEAR               9.0           207.759             5.95
26/11/2020  P/2007 Q2 Gilmore                    20.3           278.956            13.44
30/11/2020  C/2020 W5 Lemmon                     22.3           503.280             ---
 1/12/2020  C/2019 N1 ATLAS                      11.7           255.000             ---
 3/12/2020  C/2020 Y3 ATLAS                      18.6           299.192          2138.48
 5/12/2020  412P WISE                            20.4           241.980             5.48
 7/12/2020  162P Siding Spring                   13.0           192.859             5.43
 7/12/2020  C/2021 C1 Rankin                     20.0           521.160             ---
10/12/2020  220P McNaught                        18.5           232.233             5.50
10/12/2020  A/2021 E2                            21.7           342.027          1675.05
12/12/2020  C/2020 S3 Erasmus                    10.8            59.667             ---
16/12/2020  141P Machholz                        13.1           120.865             5.35
19/12/2020  293P Spacewatch                      18.5           317.116             6.96
21/12/2020  C/2020 S2 PANSTARRS                  20.1           262.707            32.50
24/12/2020  405P Lemmon                          16.4           167.831             6.86
25/12/2020  P/2020 U2 PANSTARRS                  20.8           276.583             7.34
26/12/2020  398P Boattini                        14.5           195.328             5.53
30/12/2020  277P LINEAR                          18.2           284.903             7.56
 4/ 1/2021  98P Takamizawa                       15.5           248.773             7.41
14/ 1/2021  A/2019 T1                            19.6           640.523           236.72
16/ 1/2021  P/2020 S1 PANSTARRS                  21.2           440.914            14.63
17/ 1/2021  320P McNaught                        21.8           145.448             5.44
17/ 1/2021  323P SOHO                             8.6            10.853             4.15
18/ 1/2021  C/2021 C4 ATLAS                      19.0           674.184             ---
20/ 1/2021  C/2019 B3 PANSTARRS                  18.1          1020.805             ---
20/ 1/2021  P/2020 T3 PANSTARRS                  19.4           214.912             6.60
22/ 1/2021  102P Shoemaker                       15.0           309.657             7.44
22/ 1/2021  297P Beshore                         21.0           350.575             6.39
22/ 1/2021  C/2021 A2 NEOWISE                    14.0           211.462             ---
24/ 1/2021  411P Christensen                     18.2           364.828            14.04
25/ 1/2021  414P STEREO                          14.9            78.752             4.67
28/ 1/2021  409P LONEOS-Hill                     16.5           262.399            14.88
30/ 1/2021  P/2020 O3 PANSTARRS                  21.7           623.331            10.04
 1/ 2/2021  P/2009 U4 McNaught                   18.3           246.317            11.46
 5/ 2/2021  C/2020 U3 Rankin                     20.5           340.516           522.68
 7/ 2/2021  P/2010 H3 SOHO                       14.7            12.686             5.29
 7/ 2/2021  P/2020 V3 PANSTARRS                  20.0           932.091            24.19
 9/ 2/2021  265P LINEAR                          18.0           224.244             8.77
10/ 2/2021  400P PANSTARRS                       19.5           314.657             6.72
11/ 2/2021  P/2020 K9 Lemmon-PANSTARRS           19.9           426.269             8.61
12/ 2/2021  C/2021 C3 Catalina                   18.7           340.557           503.84
13/ 2/2021  P/2014 U4 PANSTARRS                  22.9           280.663             6.56
14/ 2/2021  415P Tenagra                         19.1           495.753             8.35
15/ 2/2021  416P Scotti                          19.4           327.609             8.04
19/ 2/2021  17P Holmes                           17.2           311.268             6.93
22/ 2/2021  246P NEAT                            17.5           428.440             8.05
27/ 2/2021  P/2021 C2 PANSTARRS                  21.9           731.587            29.46
27/ 2/2021  C/2021 D1 SWAN                       13.7           134.905           883.96
 1/ 3/2021  C/2020 R4 ATLAS                      14.8           153.869           939.53
 2/ 3/2021  C/2019 T3 ATLAS                      18.6           889.557             ---
 4/ 3/2021  206P Barnard-Boattini                22.8           234.083             6.51
 8/ 3/2021  C/2019 O3 Palomar                    17.8          1319.375             ---
11/ 3/2021  28P Neujmin                          13.5           236.110            18.43
11/ 3/2021  C/2021 B3 NEOWISE                    18.4           322.865           172.87
12/ 3/2021  C/2020 N1 PANSTARRS                  14.2           197.576             ---
15/ 3/2021  C/2021 A10 NEOWISE                   20.6           189.772           905.33
19/ 3/2021  C/2021 A4 NEOWISE                    16.8           171.411           305.52
20/ 3/2021  191P McNaught                        19.0           333.926             6.93
22/ 3/2021  P/2016 G1 PANSTARRS                  19.3           304.863             4.15
24/ 3/2021  10P Tempel                           16.3           211.303             5.36
24/ 3/2021  C/2020 F5 MASTER                     15.1           647.265             ---
10/ 4/2021  C/2020 S8 Lemmon                     17.1           353.638          4544.49
18/ 4/2021  16P Brooks                           16.6           280.955             6.99
19/ 4/2021  C/2020 J1 SONEAR                     14.8           502.639         10459.86
20/ 4/2021  C/2020 P3 ATLAS                      18.6          1019.106             ---
22/ 4/2021  417P NEOWISE                         17.8           223.200             6.13
22/ 4/2021  C/2019 T2 Lemmon                     15.5           395.835             ---
27/ 4/2021  C/2021 A6 PANSTARRS                  20.3          1186.608             ---
 4/ 5/2021  C/2021 B2 PANSTARRS                  20.5           376.910          9273.49
 5/ 5/2021  324P La Sagra                        19.6           391.736             5.45
 7/ 5/2021  120P Mueller                         18.6           370.683             7.88
11/ 5/2021  C/2016 Q2 PANSTARRS                  18.7          1059.430             ---
12/ 5/2021  142P Ge-Wang                         15.5           375.949            11.19
14/ 5/2021  158P Kowal-LINEAR                    19.1           717.941            11.06
18/ 5/2021  C/2014 F3 Sheppard-Trujillo          17.4           851.136            61.18
22/ 5/2021  399P PANSTARRS                       21.3           313.562             7.38
26/ 5/2021  201P LONEOS                          16.6           182.120             6.14
27/ 5/2021  7P Pons-Winnecke                     14.0           184.638             6.31
 5/ 6/2021  C/2020 K5 PANSTARRS                  13.9           229.709             ---
10/ 6/2021  P/2016 P1 PANSTARRS                  19.6           339.619             5.71
15/ 6/2021  111P Helin-Roman-Crockett            19.8           554.654             8.44
17/ 6/2021  P/2016 BA14 PANSTARRS                21.9           151.517             5.26
19/ 6/2021  P/2014 W12 Gibbs                     18.3           250.523             6.60
22/ 6/2021  C/2019 F1 ATLAS-Africano             13.5           537.889             ---
23/ 6/2021  410P NEAT-LINEAR                     20.8           485.748            17.07
 5/ 7/2021  C/2020 T4 PANSTARRS                  17.8           327.914             ---
10/ 7/2021  252P LINEAR                          18.6           149.690             5.33
11/ 7/2021  C/2020 T2 Palomar                    14.6           307.380          5559.84
13/ 7/2021  15P Finlay                           12.3           148.400             6.56
15/ 7/2021  C/2021 A7 NEOWISE                    15.2           294.489             ---
17/ 7/2021  P/2020 V4 Rankin                     20.0           770.218            28.54
20/ 7/2021  413P Larson                          18.9           320.120             7.15
25/ 7/2021  241P LINEAR                          18.3           286.853            10.90
18/ 8/2021  106P Schuster                        17.3           228.686             7.30
18/ 8/2021  332P Ikeya-Murakami                  22.0           235.933             5.43
18/ 8/2021  332P-C Ikeya-Murakami                20.5           235.927             5.43
18/ 8/2021  332P-H Ikeya-Murakami                23.0           235.927             5.43
19/ 8/2021  C/2020 M5 ATLAS                      16.6           449.448             ---
25/ 8/2021  193P LINEAR-NEAT                     17.8           324.308             6.77
26/ 8/2021  P/2008 WZ96 LINEAR                   17.3           276.571             6.51
26/ 8/2021  C/2020 K6 Rankin                     19.5           896.433             ---
27/ 8/2021  8P Tuttle                             9.6           153.497            13.63
28/ 8/2021  C/2020 O2 Amaral                     16.9           727.720             ---
 8/ 9/2021  283P Spacewatch                      20.1           318.967             8.42
 9/ 9/2021  4P Faye                              11.7           242.186             7.48
10/ 9/2021  108P Ciffreo                         15.4           248.379             7.23
12/ 9/2021  284P McNaught                        17.2           343.397             7.06
17/ 9/2021  6P d'Arrest                           9.9           202.650             6.54
20/ 9/2021  P/2005 W3 Kowalski                   18.5           432.348            15.92
20/ 9/2021  P/2008 CL94 Lemmon                   19.2           810.850            15.30
24/ 9/2021  P/2004 R3 LINEAR-NEAT                22.1           530.531            10.50
30/ 9/2021  C/2020 H6 ATLAS                      17.1           703.805             ---
 5/10/2021  52P Harrington-Abell                 19.0           265.865             7.59
 5/10/2021  C/2020 K7 PANSTARRS                  19.0           844.416             ---
17/10/2021  57P du Toit-Neujmin-Delporte         17.3           257.330             6.40
17/10/2021  418P LINEAR                          17.4           254.752            11.46
18/10/2021  110P Hartley                         14.5           367.369             6.83
19/10/2021  342P SOHO                            -3.6             8.465             5.31
24/10/2021  282P                                 19.4           514.771             8.74
26/10/2021  P/2012 TK8 Tenagra                   19.4           448.113             8.38
27/10/2021  419P PANSTARRS                       19.3           380.472             6.61
31/10/2021  P/2012 S2 La Sagra                   17.8           203.827             9.27
 2/11/2021  67P Churyumov-Gerasimenko            10.0           181.099             6.43
 2/11/2021  P/2005 L1 McNaught                   17.3           470.141             7.93
 2/11/2021  C/2018 U1 Lemmon                     15.8           746.934             ---
 3/11/2021  70P Kojima                           17.2           300.535             7.05
13/11/2021  132P Helin-Roman-Alu                 14.0           253.049             7.67
13/11/2021  C/2021 C6 Lemmon                     19.7           489.360             ---
14/11/2021  C/2020 F7 Lemmon                     19.3           797.644         20355.61
 1/12/2021  P/2011 A2 Scotti                     19.6           232.559             5.47
 8/12/2021  P/2007 R4 Garradd                    18.7           292.776            14.45
14/12/2021  402P LINEAR                          16.4           589.090            18.56
17/12/2021  173P Mueller                         16.5           630.835            13.62
18/12/2021  221P LINEAR                          19.1           262.285             6.43
30/12/2021  395P Catalina-NEAT                   19.5           608.080            16.71
 2/ 1/2022  P/2008 QP20 LINEAR-Hill              19.1           270.139             6.70
 3/ 1/2022  C/2021 A1 Leonard                     6.2            92.031             ---
 8/ 1/2022  181P Shoemaker-Levy                  13.1           173.490             7.62
 9/ 1/2022  C/2019 L3 ATLAS                      12.1           531.698             ---
11/ 1/2022  104P Kowal                           15.3           160.456             5.75
13/ 1/2022  152P Helin-Lawrence                  20.5           463.025             9.48
13/ 1/2022  205P Giacobini                       16.7           228.911             6.67
14/ 1/2022  P/2006 S4 Christensen                18.8           464.529            15.87
 1/ 2/2022  19P Borrelly                          7.9           195.414             6.85
 4/ 2/2022  C/2021 D2 ZTF                        15.7           440.494             ---
 7/ 2/2022  86P Wild                             18.6           338.211             6.84
 7/ 2/2022  P/2011 W1 PANSTARRS                  19.0           496.981            10.06
 8/ 2/2022  259P Garradd                         20.3           270.153             4.51
12/ 2/2022  348P PANSTARRS                       18.6           326.759             5.59
13/ 2/2022  P/2015 Q1 Scotti                     18.3           271.246             6.48
15/ 2/2022  97P Metcalf-Brewington               13.9           384.585            10.41
19/ 2/2022  P/2016 J1-B PANSTARRS                23.1           366.514             5.65
20/ 2/2022  P/2016 J1-A PANSTARRS                22.6           366.485             5.65
24/ 2/2022  C/2020 R2 PANSTARRS                  19.3           701.982          8271.52
 3/ 3/2022  288P                                 20.6           364.335             5.33
 4/ 3/2022  9P Tempel                            15.6           231.013             5.58
18/ 3/2022  22P Kopff                            15.9           232.272             6.38
19/ 3/2022  230P LINEAR                          16.7           234.558             6.42
24/ 3/2022  382P Larson                          18.1           658.092            16.05
28/ 3/2022  P/1997 B1 Kobayashi                  17.2           307.550            25.10
29/ 3/2022  325P Yang-Gao                        15.9           214.265             6.61
31/ 3/2022  319P Catalina-McNaught               17.2           177.923             6.74
 6/ 4/2022  A/2021 F1                            16.4           148.914             ---
 7/ 4/2022  135P Shoemaker-Levy                  17.1           400.940             7.42
 7/ 4/2022  C/2020 U4 PANSTARRS                  18.2           800.932             ---
 8/ 4/2022  274P Tombaugh-Tenagra                18.9           366.978             9.14
12/ 4/2022  99P Kowal                            17.4           703.987            15.10
23/ 4/2022  44P Reinmuth                         15.5           316.019             7.08
25/ 4/2022  45P Honda-Mrkos-Pajdusakova           9.4            83.320             5.33
27/ 4/2022  C/2020 U5 PANSTARRS                  16.8           561.882             ---
12/ 5/2022  182P LONEOS                          19.0           148.882             5.07
12/ 5/2022  286P Christensen                     19.6           353.271             8.33
22/ 5/2022  420P Hill                            18.3           417.152            12.97
29/ 5/2022  179P Jedicke                         18.3           616.189            14.46
29/ 5/2022  P/2012 O3 McNaught                   19.7           241.529             9.78
31/ 5/2022  113P Spitaler                        19.3           320.390             7.12
 6/ 6/2022  238P Read                            20.6           354.088             5.63
 9/ 6/2022  C/2019 T4 ATLAS                      14.2           634.657             ---
13/ 6/2022  148P Anderson-LINEAR                 13.2           244.043             6.91
17/ 6/2022  C/2020 Y2 ATLAS                      14.1           468.651             ---
19/ 6/2022  P/2013 G4 PANSTARRS                  21.2           392.195             9.36
 1/ 7/2022  337P WISE                            18.4           247.454             5.96
 7/ 7/2022  117P Helin-Roman-Alu                 17.2           454.831             8.26
 9/ 7/2022  169P NEAT                            15.5            90.245             4.20
16/ 7/2022  C/2020 F2 ATLAS                      18.7          1318.985             ---
17/ 7/2022  116P Wild                            13.1           328.553             6.52
17/ 7/2022  272P NEAT                            20.6           363.807             9.41
10/ 8/2022  100P Hartley                         13.9           301.737             6.36
10/ 8/2022  119P Parker-Hartley                  13.1           348.257             7.46
11/ 8/2022  127P Holt-Olmstead                   17.6           330.475             6.41
12/ 8/2022  335P Gibbs                           21.2           243.128             6.77
19/ 8/2022  P/2011 Q3 McNaught                   17.9           347.476            11.08
19/ 8/2022  P/2014 R5 Lemmon-PANSTARRS           19.5           355.793             8.17
24/ 8/2022  107P Wilson-Harrington                7.5           144.718             4.25
25/ 8/2022  73P Schwassmann-Wachmann             11.4           145.502             5.44
27/ 8/2022  73P-T Schwassmann-Wachmann           11.4           145.477             5.44
28/ 8/2022  189P NEAT                            19.2           181.290             5.06
 2/ 9/2022  327P Van Ness                        17.1           232.879             6.72
 6/ 9/2022  255P Levy                             9.3           126.249             5.05
 7/ 9/2022  P/2015 X1 PANSTARRS                  20.0           315.689             6.92
 8/ 9/2022  157P Tritton                         13.4           234.378             6.69
13/ 9/2022  41P Tuttle-Giacobini-Kresak          12.3           156.993             5.42
16/ 9/2022  P/2017 S8 PANSTARRS                  19.8           252.983             4.64
16/ 9/2022  C/2020 R7 ATLAS                      13.1           442.219             ---
26/ 9/2022  214P LINEAR                          18.0           278.270             6.88
30/ 9/2022  224P LINEAR-NEAT                     19.6           305.335             6.39
 1/10/2022  51P-A Harrington                     20.0           253.299             7.14
 1/10/2022  51P-D Harrington                     20.0           253.298             7.14
 1/10/2022  51P-D Harrington                     20.0           253.296             7.14
 1/10/2022  51P-D Harrington                     20.0           253.299             7.14
 1/10/2022  51P-D Harrington                     20.0           253.299             7.14
 1/10/2022  408P Novichonok-Gerke                18.7           519.386            10.40
 3/10/2022  51P-A Harrington                     14.1           253.330             7.14
 4/10/2022  51P-A Harrington                     14.1           253.325             7.14
 4/10/2022  211P Hill                            18.4           348.409             6.68
 8/10/2022  P/2007 S1 Zhao                       18.0           376.945             7.45
24/10/2022  61P Shajn-Schaldach                  14.5           317.709             7.08
29/10/2022  196P Tichy                           17.2           324.948             7.41
16/11/2022  204P LINEAR-NEAT                     17.5           275.764             6.83
16/11/2022  244P Scotti                          17.4           586.706            10.83
19/11/2022  P/2010 TO20 LINEAR-Grauer            20.2           824.308            14.08
22/11/2022  118P Shoemaker-Levy                  15.1           274.023             6.17
23/11/2022  176P LINEAR                          18.6           385.545             5.71
29/11/2022  P/2007 A2 Christensen                19.9           418.653            15.92
 3/12/2022  129P Shoemaker-Levy                  19.7           586.928             8.86
 7/12/2022  197P LINEAR                          18.2           158.890             4.86
 8/12/2022  80P Peters-Hartley                   13.1           241.514             8.07
15/12/2022  81P Wild                             11.5           239.044             6.41
19/12/2022  C/2017 K2 PANSTARRS                   6.0           268.935             ---
 6/ 1/2023  P/2013 YG46 Spacewatch               14.7           267.149             5.93
12/ 1/2023  285P LINEAR                          19.1           257.387             9.57
21/ 1/2023  71P Clark                            14.8           237.568             5.56
31/ 1/2023  96P Machholz                         -0.6            17.525             5.27
31/ 1/2023  263P Gibbs                            7.6           186.237             5.33
 2/ 2/2023  281P MOSS                            19.5           603.539            10.75
 9/ 2/2023  C/2020 S4 PANSTARRS                  14.6           503.917             ---
10/ 2/2023  C/2021 C5 PANSTARRS                  16.8           484.829             ---
26/ 2/2023  P/2019 A4 PANSTARRS                  20.3           356.825             4.23
27/ 2/2023  P/2017 S9 PANSTARRS                  22.8           327.768             5.60
12/ 3/2023  256P LINEAR                          17.8           403.684             9.99
19/ 3/2023  P/2017 S5 ATLAS                      19.9           324.949             5.64
30/ 3/2023  C/2019 U5 PANSTARRS                  12.2           541.906             ---
 3/ 4/2023  77P Longmore                         15.2           351.044             6.89
 8/ 4/2023  A/2019 O2                            19.2          1448.203           434.42
10/ 4/2023  300P Catalina                        16.2           124.512             4.44
18/ 4/2023  P/2014 A3 PANSTARRS                  20.5           520.714             9.95
19/ 4/2023  279P La Sagra                        19.7           321.666             6.76
21/ 4/2023  170P Christensen                     19.6           437.315             8.60
 6/ 5/2023  291P NEAT                            19.8           381.819             9.62
 8/ 5/2023  C/2020 K1 PANSTARRS                  12.5           459.779             ---
 8/ 5/2023  C/2020 V2 ZTF                        10.9           333.320             ---
11/ 5/2023  P/2008 L2 Hill                       18.6           348.861            14.80
13/ 5/2023  364P PANSTARRS                       14.8           119.655             4.89
14/ 5/2023  237P LINEAR                          16.6           297.127             6.58
20/ 5/2023  39P Oterma                           22.5           858.035            20.10
21/ 5/2023  94P Russell                          15.9           333.251             6.57
16/ 6/2023  72P Denning-Fujikawa                 15.7           117.134             8.95
27/ 6/2023  121P Shoemaker-Holt                  21.3           558.622             9.82
 1/ 7/2023  P/2012 WA34 Lemmon-PANSTARRS         21.5           464.175            10.32
 4/ 7/2023  287P Christensen                     20.3           454.368             8.50
 5/ 7/2023  126P IRAS                            12.5           256.286            13.39
12/ 7/2023  180P NEAT                            17.3           373.844             7.59
13/ 7/2023  185P Petriew                         15.7           139.447             5.46
20/ 7/2023  347P PANSTARRS                       20.0           331.388             6.85
 4/ 8/2023  280P Larsen                          18.8           394.572             9.64
 7/ 8/2023  199P Shoemaker                       16.3           435.549            14.31
 8/ 8/2023  225P LINEAR                          19.7           197.667             6.97
31/ 8/2023  339P Gibbs                           20.0           201.517             7.11
13/ 9/2023  404P Bressi                          19.2           624.344            10.64
14/ 9/2023  P/2019 A7 PANSTARRS                  19.5           399.747             5.69
29/ 9/2023  P/2005 E1 Tubbiolo                   20.1           658.057            18.68
30/ 9/2023  79P du Toit-Hartley                  18.1           167.808             5.05
11/10/2023  365P PANSTARRS                       20.0           201.018             5.66
12/10/2023  103P Hartley                          7.1           159.554             6.48
24/10/2023  310P Hill                            18.2           361.394             8.54
11/11/2023  213P Van Ness                        15.2           296.376             6.13
11/11/2023  358P PANSTARRS                       22.7           358.636             5.58
12/11/2023  C/2019 E3 ATLAS                      17.7          1543.041             ---
17/11/2023  P/2007 T2 Kowalski                   16.1            97.846             5.32
22/11/2023  P/2004 V3 Siding Spring              20.5           591.510            19.08
24/11/2023  C/2021 A9 PANSTARRS                  19.1          1152.664             ---
 8/12/2023  147P Kushida-Muramatsu               20.5           458.721             7.97
20/12/2023  P/2014 W1 PANSTARRS                  21.6           408.031             9.43
22/12/2023  62P Tsuchinshan                       9.1           185.140             6.13
27/12/2023  226P Pigott-LINEAR-Kowalski          15.8           265.764             7.31
30/12/2023  326P Hill                            20.1           414.795             8.19
 7/ 1/2024  216P LINEAR                          17.4           320.409             7.61
16/ 1/2024  P/2011 NO1 Elenin                    16.9           186.196            12.99
25/ 1/2024  144P Kushida                         10.4           207.662             7.46
 1/ 2/2024  207P NEAT                            13.5           139.119             7.61
 7/ 2/2024  194P LINEAR                          17.7           249.002             7.94
12/ 2/2024  251P LINEAR                          19.4           259.898             6.58
13/ 2/2024  219P LINEAR                          17.3           352.771             6.97
28/ 2/2024  P/2001 Q6 NEAT                       16.4           210.674            22.43
14/ 3/2024  150P LONEOS                          15.8           262.945             7.64
14/ 3/2024  227P Catalina-LINEAR                 17.8           260.049             6.71
23/ 3/2024  P/2010 T2 PANSTARRS                  20.5           560.901            12.99
25/ 3/2024  89P Russell                          18.8           332.121             7.27
29/ 3/2024  309P LINEAR                          19.1           250.048             9.14
 1/ 4/2024  355P LINEAR-NEAT                     18.8           255.980             6.47
14/ 4/2024  130P McNaught-Hughes                 15.8           272.663             6.22
20/ 4/2024  12P Pons-Brooks                       4.4           116.963            70.87
23/ 4/2024  32P Comas Sola                       14.3           296.386             9.54
25/ 4/2024  212P NEAT                            19.6           239.095             7.66
30/ 4/2024  299P Catalina-PANSTARRS              18.2           471.324             9.18
13/ 5/2024  50P Arend                            16.1           288.177             8.27
22/ 5/2024  202P Scotti                          21.1           442.249             8.14
24/ 5/2024  192P Shoemaker-Levy                  18.4           219.770            16.48
27/ 5/2024  349P Lemmon                          19.0           374.692             6.75
 4/ 6/2024  P/2004 DO29 Spacewatch-LINEAR        19.4           608.986            19.66
14/ 6/2024  154P Brewington                      10.1           233.104            10.53
 1/ 7/2024  13P Olbers                            7.5           175.639            68.28
20/ 7/2024  362P                                 17.1           427.775             7.91
22/ 7/2024  P/2002 T6 NEAT-LINEAR                18.8           504.932            21.28
22/ 7/2024  P/2010 WK LINEAR                     17.6           267.239            13.83
28/ 7/2024  328P LONEOS-Tucker                   18.5           281.090             8.59
 3/ 8/2024  338P McNaught                        17.2           343.146             7.69
 5/ 8/2024  146P Shoemaker-LINEAR                17.1           212.970             8.10
14/ 8/2024  30P Reinmuth                         15.2           257.989             7.05
23/ 8/2024  208P McMillan                        17.6           379.011             8.14
29/ 8/2024  345P LINEAR                          18.7           470.675             8.12
 3/ 9/2024  54P de Vico-Swift-NEAT               12.9           325.664             7.38
 7/ 9/2024  P/2014 MG4 Spacewatch-PANSTARRS      18.1           555.162            11.22
 3/10/2024  360P WISE                            23.3           277.550             7.12
22/10/2024  P/2012 US27 Siding Spring            16.0           272.361            11.74
25/10/2024  234P LINEAR                          19.4           423.783             7.41
26/10/2024  P/2015 HG16 PANSTARRS                19.7           460.506            10.35
12/11/2024  33P Daniel                           21.5           335.001             8.26
17/11/2024  305P Skiff                           18.8           213.116            10.01
19/11/2024  316P LONEOS-Christensen              21.4           549.490             9.10
29/11/2024  333P LINEAR                          14.6           166.136             8.67
14/12/2024  P/2015 R2 PANSTARRS                  20.9           367.322             9.51
15/12/2024  276P Vorobjov                        19.9           582.843            12.26
24/12/2024  190P Mueller                         17.4           303.208             8.71
 1/ 1/2025  268P Bernardi                        18.8           357.551             9.69
 2/ 1/2025  136P Mueller                         18.3           443.722             8.59
 2/ 1/2025  242P Spahr                           16.6           592.064            12.84
18/ 2/2025  P/2011 UA134 Spacewatch-PANSTARR     22.3           310.855            13.27
 6/ 3/2025  229P Gibbs                           19.5           366.253             7.79
 7/ 3/2025  302P Lemmon-PANSTARRS                20.8           492.505             8.84
13/ 3/2025  P/2010 A3 Hill                       17.0           242.349            14.98
25/ 3/2025  351P Wiegert-PANSTARRS               20.1           467.420             9.35
21/ 4/2025  341P Gibbs                           19.1           375.454             8.90
14/ 6/2025  P/2005 T5 Broughton                  18.9           488.306            19.68
28/ 7/2025  195P Hill                            18.6           667.977            16.58
 5/ 8/2025  P/2003 QX29 NEAT                     17.3           632.988            22.75
 6/ 8/2025  43P Wolf-Harrington                  16.4           363.643             8.96
27/ 8/2025  340P Boattini                        19.4           457.413             8.77
16/ 9/2025  248P Gibbs                           18.8           324.276            14.67
25/10/2025  P/2016 A2 Christensen                19.2           518.526            10.36
18/11/2025  40P Vaisala                          15.4           274.336            11.02
24/11/2025  P/2015 TO19 Lemmon-PANSTARRS         20.1           437.337             9.72
12/ 1/2026  42P Neujmin                          20.0           302.251            10.76
18/ 1/2026  P/2005 SB216 LONEOS                  17.4           572.172            19.04
18/ 2/2026  303P NEAT                            20.1           369.558            11.34
26/ 3/2026  P/2007 C2 Catalina                   18.6           553.678            18.49
31/ 5/2026  P/2004 FY140 LINEAR                  18.2           609.984            10.86
 2/ 7/2026  P/2009 B1 Boattini                   19.5           368.039            17.49
13/ 7/2026  63P Wild                             17.0           294.526            13.27
25/ 7/2026  295P LINEAR                          17.4           304.730            12.22
19/ 8/2026  P/2005 T3 Read                       20.8           936.460            20.87
 4/ 9/2026  P/2010 U1 Boattini                   19.4           732.030            16.61
23/10/2026  P/2015 X3 PANSTARRS                  20.9           420.301            11.21
 3/11/2026  275P Hermann                         21.1           248.380            13.87
28/11/2026  161P Hartley-IRAS                    10.8           191.000            21.47
 4/12/2026  P/2009 Y2 Kowalski                   17.5           356.658            16.76
31/12/2026  P/2007 K2 Gibbs                      19.4           344.367            19.58
15/ 1/2027  P/2012 T2 PANSTARRS                  20.3           719.729            13.74
21/ 1/2027  P/2004 A1 LONEOS                     17.2           822.405            22.46
21/ 5/2027  P/2010 H4 Scotti                     20.3           722.589            16.92
12/ 7/2027  P/2010 D2 WISE                       24.9           551.670            17.41
 6/ 8/2027  P/2012 T3 PANSTARRS                  19.4           352.242            15.26
18/ 8/2027  P/2004 V5 LINEAR-Hill                18.1           664.143            22.54
 5/10/2027  P/2011 Y2 Boattini                   18.8           271.263            15.59
10/10/2027  P/2013 T1 PANSTARRS                  20.5           329.779            14.19
 1/ 1/2028  P/2011 N1 ASH                        17.9           426.324            15.62
18/ 3/2028  P/2014 A2 Hill                       19.8           314.469            14.43
 7/ 6/2028  P/2010 UH55 Spacewatch               18.6           434.503            17.16
11/10/2028  P/2006 HR30 Siding Spring            12.1           184.363            21.83
19/10/2028  P/2010 C1 Scotti                     20.5           787.694            18.93
16/ 1/2029  P/2005 S2 Skiff                      19.6           962.522            22.69
14/ 2/2029  P/2011 FR143 Lemmon                  19.3           563.523            17.96
17/ 3/2029  P/2012 F2 PANSTARRS                  19.0           433.316            15.93
 4/ 6/2029  P/2010 H5 Scotti                     20.6           907.118            19.16
 1/ 7/2029  P/2013 AL76 Catalina                 21.5           304.978            16.56
15/12/2029  P/2009 Q5 McNaught                   16.9           434.988            20.28
15/12/2030  P/2011 P1 McNaught                   19.5           751.341            20.40
17/ 1/2031  P/2009 O3 Hill                       18.9           362.961            21.66
18/ 5/2031  55P Tempel-Tuttle                    10.4           145.180            33.31
15/ 6/2031  P/2009 T2 La Sagra                   18.8           271.158            21.46
21/10/2031  P/2008 Y3 McNaught                   18.4           667.531            22.83
20/12/2031  P/2008 O3 Boattini                   18.6           374.646            23.57
22/ 5/2034  P/2005 T4 SWAN                       13.8            98.314            28.64
29/12/2091  35P Herschel-Rigollet                 8.1           112.097           152.64
 

Distance moyenne de la Terre au Soleil = 1 UA = 149.597.870 km

 

La Période de révolution est donnée par la formule :

Période=

avec a= demi-grand axe de l'orbite en UA

en application de la 3ème loi de Kepler : Les carrés des temps des révolutions sidérales sont proportionnels aux cubes des grands axes de leurs orbites.

 

 

Rubriques associées

 

Les COMETES

Les belles visiteuses, archives du ciel.

 

Les différentes familles de comètes

 

COMETES numérotées à courte période

 

Lost - Les Disparues... ou les comètes périodiques non revues

 

COMETES - Magnitudes prévues pour les prochains mois

 

Liste des comètes potentiellement observables - éléments orbitaux

 

NOUVELLES du CIEL

Les découvertes récentes...

 

 

Pages Spéciales

 

La comète C/2012 S1 (ISON) - la grande comète de 2013

 

La comète C/2011 L4 (PANSTARRS)... probablement visible à l'oeil nu au printemps

 

La comète 103P/Hartley se donne en spectacle

 

Comète C/2009 F6 (Yi-Swan) : une comète de magnitude 8.5

 

La comète C/2007 N3 (Lulin)... une comète visible à l'oeil nu en Février 2009

 

Sursaut impressionant d'activité de la comète 17P/Holmes [24/10/2007]

 

Grand spectacle cométaire [21/01/2007]

La comète McNaught sous le ciel austral [19/01/2007]

La plus brillante comète observée par SOHO [17/01/2007]

La comète McNaught visible en plein jour [14/01/2007]

STEREO/SECCHI/HI-1B aperçoit la comète McNaught [11/01/2007]

La comète surprise !!! [11/01/2007]

La comète C/2006 P1 (McNaught) visible matin et soir [08/01/2007]

Une comète dans les lueurs matinales [04/01/2007]

 

Une belle comète : C/2006 M4 (SWAN)

 

73P/Schwassmann-Wachmann 3, la Comète Fragmentée

Un dossier de Cédric BEMER

 

Les Comètes observables en Avril 2006

Les Comètes observables en Mars 2006 

 

Observez la comète 9P/Tempel, cible de la mission Deep Impact

 

C/2004 Q2 (Machholz)

La dixième comète découverte par Donald Edward Machholz, visible à la magnitude 5.0 en Janvier 2005

 

C/2004 H6 (SWAN)

Une quatrième comète découverte sur les images de l'instrument SWAN du satellite SOHO, visible en Juillet pour les observateurs de l'hémisphère nord

 

Trois comètes très brillantes dans le ciel

 

La comète C/2004 F4 (Bradfield)

une comète brillante, la 18ème découverte de William Bradfield

 

La comète 2P/Encke

Le 59ème retour au périhélie de la comète 2P/Encke depuis sa découverte en 1786.

 

C/2003 K4 (LINEAR)

Une comète de mag 5.2 au plus fort de son activité...mais mal placée pour l'observation dans l'hémisphère Nord.

 

C/2002 Y1 (Juels-Holvorcem)

 

La comète X5 visible dans le champ de SOHO du 25 au 30 Janvier 2003 (attention : cette page comprend deux animations de 1467ko et 550ko et peut donc s'avérer être longue à charger)

 

C/2002 X5 (Kudo-Fujikawa)

 

C/2002 V1 (NEAT)

 

La comète V1 visible dans le champ de SOHO du 16 au 20 Février 2003 (attention : cette page comprend une animation de 718ko et peut donc s'avérer être longue à charger)

 

C/2002 T7 (LINEAR)

 

SOHO : la 500è comète découverte depuis 1995

 

C/2002 O7 (LINEAR)

 

C/2002 O6 (SWAN)

 

C/2002 O4 (Hoenig)

 

C/2002 F1 (Utsunomiya)

 

C/2002 E2 (Snyder-Murakami)

 

C/2002 C1 (Ikeya-Zhang)

 

C/2001 Q4 (NEAT)

 

C/2001 A2 (LINEAR)

 

C/2000 WM1 (LINEAR)

 

Au fur et à mesure qu'une comète s'approche du Soleil, une partie de la glace composant son noyau se vaporise, entraînant l'apparition d'une enveloppe gazeuse, la chevelure ou "coma". Les gaz et poussières expulsés, repoussés par le vent solaire et la pression du rayonnement solaire, composent alors les queues (de poussières et de plasma) de la comète, en direction opposée au Soleil.

 

 

 

A proximité du périhélie, la comète est à son maximum de dégazage et en conséquence, les queues de poussières et de plasma atteignent leur plus grande longueur.

 

Quelques comètes, subissant au maximum les effets gravitationnels du Soleil, ne résistent pas et se brisent en plusieurs morceaux au cours de leur approche au plus près du Soleil, devenant ainsi beaucoup plus lumineuses.

 

C'est à l'approche du Soleil que se forme une queue de poussières,

toujours dirigée à l'opposé du Soleil.

 

Liens

 

Notes cométaires du Bureau des longitudes

 

Serveur d'Ephémérides du Bdl

 

Elements & Ephemerides Observable Comets

 

Comet Observation Home Page

 

IAU: Central Bureau for Astronomical Telegrams

 

IAU: Minor Planet Center

 

Near Earth.net Comets, Meteors, & Asteroids

 

Retour à l'accueil

Contact : Gilbert Javaux