MPEC 2018-B100: COMET C/2018 A6 (Gibbs)
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M.P.E.C. 2018-B100 Issued 2018 Jan. 23, 15:41 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Division F of the International Astronomical Union by the
Minor Planet Center, Smithsonian Astrophysical Observatory,
Cambridge, MA 02138, U.S.A.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
COMET C/2018 A6 (Gibbs)
Observations:
CK18A060 C2018 01 15.37623 11 22 58.43 +09 24 38.3 19.3 TUEB100G96
CK18A060 C2018 01 15.38141 11 22 58.27 +09 24 37.6 19.4 TUEB100G96
CK18A060 C2018 01 15.38657 11 22 58.11 +09 24 37.3 19.3 TUEB100G96
CK18A060 C2018 01 15.39173 11 22 57.96 +09 24 36.8 19.1 TUEB100G96
CK18A060 C2018 01 15.40264 11 22 57.62 +09 24 36.1 19.1 TUEB100G96
CK18A060 C2018 01 15.41246 11 22 57.35 +09 24 34.6 19.2 TUEB100G96
CK18A060 C2018 01 15.42231 11 22 57.04 +09 24 33.8 19.1 TUEB100G96
CK18A060 C2018 01 15.43246 11 22 56.75 +09 24 32.6 19.2 TUEB100G96
CK18A060 KC2018 01 15.47708 11 22 55.55 +09 24 27.2 oEB100711
CK18A060 KC2018 01 15.48030 11 22 55.44 +09 24 26.8 oEB100711
CK18A060 KC2018 01 15.48328 11 22 55.38 +09 24 26.6 oEB100711
CK18A060 C2018 01 15.51292 11 22 54.38 +09 24 23.8 20.4 TUEB100I52
CK18A060 C2018 01 15.52368 11 22 54.07 +09 24 22.2 21.3 TUEB100I52
CK18A060 C2018 01 15.53043 11 22 53.89 +09 24 21.5 19.5 TUEB100I52
CK18A060 KC2018 01 16.36795 11 22 29.34 +09 22 54.8 19.7 TqEB100H36
CK18A060 KC2018 01 16.38303 11 22 28.82 +09 22 54.0 19.8 TqEB100H36
CK18A060 KC2018 01 16.41313 11 22 27.90 +09 22 52.4 19.6 TqEB100H36
CK18A060 1C2018 01 16.70580 11 22 19.16 +09 22 25.1 vEB100Q62
CK18A060 1C2018 01 16.70790 11 22 19.12 +09 22 24.7 vEB100Q62
CK18A060 1C2018 01 16.71000 11 22 19.07 +09 22 24.2 18.8 TvEB100Q62
CK18A060 KC2018 01 18.11681 11 21 35.85 +09 20 01.6 19.9 TrEB100106
CK18A060 KC2018 01 18.12117 11 21 35.67 +09 20 02.7 18.8 TrEB100106
CK18A060 KC2018 01 18.12552 11 21 35.57 +09 20 00.7 19.5 TrEB100106
CK18A060 C2018 01 18.43876 11 21 25.64 +09 19 31.8 19.5 TUEB100I52
CK18A060 C2018 01 18.44626 11 21 25.42 +09 19 31.7 19.8 TUEB100I52
CK18A060 C2018 01 18.45296 11 21 25.20 +09 19 30.8 19.3 TUEB100I52
CK18A060 C2018 01 18.46014 11 21 24.97 +09 19 30.3 19.4 TUEB100I52
CK18A060 KC2018 01 19.42986 11 20 53.76 +09 17 57.6 19.2 TuEB100850
CK18A060 KC2018 01 19.44776 11 20 53.16 +09 17 56.1 19.4 TuEB100850
CK18A060 KC2018 01 20.05499 11 20 33.34 +09 16 59.7 19.6 TqEB100595
CK18A060 KC2018 01 20.06635 11 20 32.97 +09 16 59.1 19.9 TqEB100595
CK18A060 KC2018 01 20.07770 11 20 32.56 +09 16 58.1 19.7 TqEB100595
CK18A060 KC2018 01 20.10402 11 20 31.66 +09 16 54.8 19.8 TqEB100A77
CK18A060 KC2018 01 20.12566 11 20 30.94 +09 16 53.0 19.8 TqEB100A77
CK18A060 KC2018 01 20.14731 11 20 30.22 +09 16 51.0 19.8 TqEB100A77
CK18A060 C2018 01 20.45596 11 20 19.96 +09 16 22.5 20.0 TUEB100I52
CK18A060 C2018 01 20.46268 11 20 19.71 +09 16 22.5 19.6 TUEB100I52
CK18A060 C2018 01 20.46911 11 20 19.46 +09 16 22.4 19.4 TUEB100I52
CK18A060 C2018 01 20.47538 11 20 19.21 +09 16 21.7 19.1 TUEB100I52
CK18A060 C2018 01 20.61268 11 20 14.648+09 16 08.97 20.5 TUEB100F51
CK18A060 C2018 01 20.61953 11 20 14.409+09 16 08.34 20.6 TUEB100F51
CK18A060 C2018 01 20.62640 11 20 14.180+09 16 07.76 20.6 TUEB100F51
CK18A060 C2018 01 20.63333 11 20 13.938+09 16 07.03 20.6 TUEB100F51
CK18A060 KC2018 01 21.16603 11 19 55.94 +09 15 18.6 19.5 TqEB100J22
CK18A060 KC2018 01 21.17215 11 19 55.75 +09 15 17.4 19.6 TqEB100J22
CK18A060 KC2018 01 21.17816 11 19 55.53 +09 15 17.3 20.1 TqEB100J22
CK18A060 KC2018 01 22.02520 11 19 26.30 +09 14 01.5 19.2 TUEB100K63
CK18A060 KC2018 01 22.04030 11 19 25.77 +09 14 00.5 19.6 TUEB100K63
CK18A060 KC2018 01 22.04565 11 19 25.58 +09 14 00.6 18.7 TUEB100K63
CK18A060 C2018 01 22.33226 11 19 15.60 +09 13 37.1 17.7 TUEB100I52
CK18A060 C2018 01 22.33917 11 19 15.31 +09 13 35.9 18.8 TUEB100I52
CK18A060 C2018 01 22.34513 11 19 15.12 +09 13 34.2 19.0 TUEB100I52
CK18A060 KC2018 01 23.04782 11 18 50.14 +09 12 33.8 19.6 TUEB100Z84
CK18A060 KC2018 01 23.06021 11 18 49.69 +09 12 32.6 19.6 TUEB100Z84
CK18A060 KC2018 01 23.07315 11 18 49.23 +09 12 31.6 19.5 TUEB100Z84
CK18A060 KC2018 01 23.12702 11 18 47.21 +09 12 26.8 19.5 TUEB100204
CK18A060 KC2018 01 23.14003 11 18 46.75 +09 12 25.4 UEB100204
CK18A060 KC2018 01 23.15305 11 18 46.29 +09 12 24.7 UEB100204
CK18A060 C2018 01 23.40098 11 18 37.45 +09 12 04.0 19.4 TUEB100I52
CK18A060 C2018 01 23.40841 11 18 37.16 +09 12 02.6 19.8 TUEB100I52
CK18A060 C2018 01 23.41585 11 18 36.87 +09 12 02.6 19.4 TUEB100I52
CK18A060 C2018 01 23.43285 11 18 36.26 +09 12 01.2 18.8 TUEB100I52
CK18A060 KC2018 01 23.47981 11 18 34.50 +09 11 57.8 oEB100691
CK18A060 KC2018 01 23.49072 11 18 34.08 +09 11 57.3 oEB100691
CK18A060 KC2018 01 23.50164 11 18 33.62 +09 11 56.6 oEB100691
Observer details:
106 Crni Vrh. Observer S. Maticic. 0.6-m f/3.3 Deltagraph + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.84-m f/3.5 reflector
+ CCD.
595 Farra d'Isonzo. Observer E. Pettarin. 0.61-m f/4.0 reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer J. V. Scotti. 0.9-m f/3
reflector + CCD.
711 McDonald Observatory. Observer J. G. Ries. 2.1-m reflector + CCD + focal
reducer.
850 Cordell-Lorenz Observatory, Sewanee. Observer D. T. Durig. 0.3-m f/7.6
Schmidt-Cassegrain + CCD.
A77 Observatoire Chante-Perdrix, Dauban. Observer J.-F. Soulier. 0.20-m f/4
Newtonian reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz,
M. Willman. Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters, R. Weryk. 1.8-m
Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observer A. R. Gibbs. Measurers E. J. Christensen,
D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski,
S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C. Shelly.
1.5-m reflector + 10K CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers J. A. Johnson,
R. G. Matheny, G. J. Leonard. Measurers E. J. Christensen, D. C. Fuls,
A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski, S. M. Larson,
G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C. Shelly. 1.0-m reflector
+ CCD.
J22 Tacande Observatory, La Palma. Observer K. Hills. 0.5-m f/2.9 astrograph
+ CCD.
K63 G. Pascoli Observatory, Castelvecchio Pascoli. Observer R. Bacci. 0.40-m
f/3.2 Newtonian reflector + CCD.
Q62 iTelescope Observatory, Siding Spring. Observer H. Sato. 0.51-m f/6.8
astrograph + CCD + f/4.5 focal reducer.
Z84 Calar Alto-Schmidt. Observer E. Schwab. Measurers E. Schwab, M. Micheli,
D. Koschny. 0.8-m f/3 Schmidt + CCD.
Orbital elements:
C/2018 A6 (Gibbs)
T 2019 May 24.68801 TT MPCW
q 2.8615540 (2000.0) P Q
Peri. 262.80022 -0.17792076 +0.92656498
Node 340.31485 +0.27332454 -0.27698331
e 1.0 Incl. 79.67194 -0.94532423 -0.25447510
From 65 observations 2018 Jan. 15-23.
Ephemeris:
C/2018 A6 (Gibbs)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2017 12 24 11 30 01.7 +10 14 07 5.3203 5.6232 103.0 9.8 20.1
...
2018 01 08 11 26 06.6 +09 38 29 4.9735 5.5154 118.8 9.0 19.9
...
2018 01 16 11 22 40.2 +09 23 34 4.8011 5.4579 127.7 8.2 19.8
...
2018 01 22 11 19 27.2 +09 14 06 4.6801 5.4148 134.4 7.5 19.7
2018 01 23 11 18 51.8 +09 12 39 4.6607 5.4077 135.6 7.3 19.7
2018 01 24 11 18 15.6 +09 11 14 4.6416 5.4005 136.7 7.2 19.7
...
2018 01 30 11 14 19.9 +09 03 23 4.5322 5.3574 143.6 6.3 19.6
...
2018 02 07 11 08 19.2 +08 54 24 4.4018 5.3000 153.1 4.8 19.5
...
2018 02 22 10 55 03.0 +08 39 56 4.2129 5.1926 171.2 1.7 19.3
Gareth V. Williams (C) Copyright 2018 MPC M.P.E.C. 2018-B100
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