MPEC 2008-C63 : COMET C/2008 C1 (CHEN-GAO)
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M.P.E.C. 2008-C63 Issued 2008 Feb. 11, 00:38 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Commission 20 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 http://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET C/2008 C1 (CHEN-GAO)
Observations:
CK08C010 2008 02 03.45313 23 14 32.51 +62 09 19.1 14.3 T EC063372
CK08C010 2008 02 03.47604 23 14 41.27 +62 09 15.5 EC063372
CK08C010 C2008 02 03.71752 23 16 12.13 +62 08 37.5 EC063048
CK08C010 C2008 02 03.71793 23 16 12.25 +62 08 37.1 EC063048
CK08C010 C2008 02 03.72767 23 16 15.80 +62 08 34.9 EC063048
CK08C010 C2008 02 03.72808 23 16 15.94 +62 08 34.3 EC063048
CK08C010 C2008 02 03.72850 23 16 16.08 +62 08 34.3 EC063048
CK08C010 C2008 02 03.86609 23 17 08.11 +62 08 07.1 16.6 N EC063B42
CK08C010 C2008 02 03.86848 23 17 09.00 +62 08 07.0 16.7 N EC063B42
CK08C010 C2008 02 03.87007 23 17 09.61 +62 08 06.8 16.7 N EC063B42
CK08C010 C2008 02 03.87164 23 17 10.21 +62 08 06.7 16.7 N EC063B42
CK08C010 C2008 02 03.87325 23 17 10.72 +62 08 06.5 16.6 N EC063B42
CK08C010 C2008 02 03.93438 23 17 33.96 +62 07 51.7 15.4 N EC063945
CK08C010 C2008 02 03.93521 23 17 34.27 +62 07 53.8 15.3 N EC063945
CK08C010 C2008 02 03.93606 23 17 34.29 +62 07 58.0 15.3 N EC063945
CK08C010 C2008 02 03.93697 23 17 34.56 +62 07 54.8 15.3 N EC063945
CK08C010 C2008 02 03.95465 23 17 41.35 +62 07 52.4 16.5 T EC063585
CK08C010 C2008 02 03.96461 23 17 45.29 +62 07 50.4 17.5 N EC063585
CK08C010 C2008 02 03.96884 23 17 46.91 +62 07 49.8 17.5 N EC063585
CK08C010 C2008 02 03.97308 23 17 48.47 +62 07 48.1 17.5 N EC063585
CK08C010 C2008 02 03.97667 23 17 49.27 +62 07 47.5 17.5 N EC063585
CK08C010 2008 02 04.49688 23 21 06.04 +62 06 14.3 13.8 T EC063372
CK08C010 2008 02 04.50486 23 21 09.14 +62 06 13.0 EC063372
CK08C010 2008 02 04.51389 23 21 12.58 +62 06 10.5 13.9 T EC063372
CK08C010 C2008 02 04.66522 23 22 10.67 +62 05 38.7 15.9 N EC063C42
CK08C010 C2008 02 04.66785 23 22 11.85 +62 05 38.1 16.2 N EC063C42
CK08C010 C2008 02 04.67047 23 22 12.76 +62 05 38.8 16.2 N EC063C42
CK08C010 C2008 02 04.67311 23 22 14.03 +62 05 37.9 16.3 N EC063C42
CK08C010 C2008 02 04.67574 23 22 15.04 +62 05 35.7 16.1 N EC063C42
CK08C010 C2008 02 04.67838 23 22 16.05 +62 05 36.7 16.5 N EC063C42
CK08C010 C2008 02 04.68101 23 22 16.83 +62 05 35.9 15.7 N EC063C42
CK08C010 C2008 02 04.77268 23 22 51.29 +62 05 20.0 16.6 N EC063A77
CK08C010 C2008 02 04.77640 23 22 52.77 +62 05 19.0 16.7 N EC063A77
CK08C010 C2008 02 04.78255 23 22 55.15 +62 05 19.0 16.7 N EC063A77
CK08C010 C2008 02 04.79436 23 22 59.57 +62 05 15.3 15.1 N EC063A77
CK08C010 C2008 02 04.79503 23 23 00.05 +62 05 15.9 15.1 N EC063945
CK08C010 C2008 02 04.79624 23 23 00.39 +62 05 15.4 15.2 N EC063945
CK08C010 C2008 02 04.79838 23 23 01.24 +62 05 14.8 15.2 N EC063945
CK08C010 C2008 02 04.79913 23 23 01.52 +62 05 14.6 15.2 N EC063945
CK08C010 C2008 02 04.80010 23 23 01.65 +62 05 15.2 16.2 N EC063A77
CK08C010 C2008 02 04.80334 23 23 03.05 +62 05 15.0 15.7 N EC063J70
CK08C010 C2008 02 04.80348 23 23 03.12 +62 05 14.7 15.8 N EC063J70
CK08C010 C2008 02 04.80390 23 23 03.26 +62 05 14.6 15.7 N EC063J70
CK08C010 C2008 02 04.80457 23 23 03.48 +62 05 14.3 16.2 N EC063J70
CK08C010 C2008 02 04.80826 23 23 04.83 +62 05 12.0 16.1 N EC063A77
CK08C010 C2008 02 04.80922 23 23 05.18 +62 05 13.8 15.8 N EC063J70
CK08C010 C2008 02 04.81173 23 23 06.07 +62 05 12.9 16.4 N EC063J70
CK08C010 C2008 02 04.82633 23 23 11.77 +62 05 09.3 16.1 N EC063J70
CK08C010 C2008 02 04.87446 23 23 30.18 +62 04 56.9 15.3 N EC063213
CK08C010 C2008 02 04.87538 23 23 30.46 +62 04 56.7 15.3 N EC063213
CK08C010 C2008 02 04.87673 23 23 31.02 +62 04 56.8 15.3 N EC063213
CK08C010 C2008 02 04.95339 23 24 00.39 +62 04 38.1 17.0 N EC063B20
CK08C010 C2008 02 04.95564 23 24 01.24 +62 04 37.6 17.0 N EC063B20
CK08C010 C2008 02 04.96754 23 24 05.87 +62 04 35.5 16.3 N EC063B20
CK08C010 C2008 02 05.74724 23 29 05.63 +62 01 39.2 EC063118
CK08C010 C2008 02 05.75067 23 29 06.75 +62 01 38.9 16.6 N EC063A77
CK08C010 C2008 02 05.75112 23 29 07.03 +62 01 38.6 EC063118
CK08C010 C2008 02 05.75209 23 29 07.30 +62 01 39.4 15.6 N EC063235
CK08C010 C2008 02 05.75423 23 29 08.34 +62 01 34.9 EC063118
CK08C010 C2008 02 05.75811 23 29 09.66 +62 01 35.8 EC063118
CK08C010 C2008 02 05.75813 23 29 09.67 +62 01 37.6 16.6 N EC063A77
CK08C010 C2008 02 05.76433 23 29 11.95 +62 01 35.7 17.0 N EC063595
CK08C010 C2008 02 05.76440 23 29 11.99 +62 01 36.0 16.7 N EC063A77
CK08C010 C2008 02 05.76646 23 29 12.83 +62 01 35.0 16.8 N EC063A77
CK08C010 C2008 02 05.77141 23 29 14.73 +62 01 33.6 16.5 N EC063A77
CK08C010 C2008 02 05.77197 23 29 14.92 +62 01 33.6 16.6 N EC063595
CK08C010 C2008 02 05.77454 23 29 15.90 +62 01 32.9 16.7 N EC063595
CK08C010 C2008 02 05.90319 23 30 05.78 +62 00 59.0 15.6 N EC063J38
CK08C010 C2008 02 05.90393 23 30 06.07 +62 00 58.9 15.5 N EC063J38
CK08C010 C2008 02 05.90466 23 30 06.36 +62 00 58.8 15.5 N EC063J38
CK08C010 C2008 02 05.97003 23 30 32.03 +62 00 40.5 15.0 N EC063945
CK08C010 C2008 02 05.97164 23 30 32.51 +62 00 41.2 15.1 N EC063945
CK08C010 C2008 02 05.97281 23 30 32.94 +62 00 40.9 15.1 N EC063945
CK08C010 C2008 02 05.97403 23 30 33.48 +62 00 40.7 15.0 N EC063945
CK08C010 C2008 02 06.83296 23 36 07.73 +61 56 46.1 EC063104
CK08C010 C2008 02 06.83726 23 36 09.44 +61 56 45.4 EC063104
CK08C010 C2008 02 06.83922 23 36 10.12 +61 56 45.0 EC063104
CK08C010 C2008 02 06.90694 23 36 36.95 +61 56 26.9 15.1 N EC063945
CK08C010 C2008 02 06.90824 23 36 37.27 +61 56 23.0 15.2 N EC063945
CK08C010 C2008 02 06.90906 23 36 37.63 +61 56 23.6 15.2 N EC063945
CK08C010 C2008 02 06.91019 23 36 38.35 +61 56 23.1 15.2 N EC063945
CK08C010 C2008 02 07.11476 23 37 58.03 +61 55 24.0 13.2 T EC063673
CK08C010 C2008 02 07.12865 23 38 03.48 +61 55 19.7 EC063673
CK08C010 C2008 02 07.14253 23 38 08.95 +61 55 14.9 EC063673
CK08C010 C2008 02 07.15642 23 38 14.42 +61 55 10.5 EC063673
CK08C010 C2008 02 07.39483 23 39 48.32 +61 53 57.9 16.8 N EC063379
CK08C010 C2008 02 07.39780 23 39 49.24 +61 53 57.4 EC063379
CK08C010 C2008 02 07.42868 23 40 01.63 +61 53 46.0 EC063379
CK08C010 C2008 02 07.75052 23 42 08.89 +61 52 01.3 15.8 N EC063215
CK08C010 C2008 02 07.75122 23 42 09.18 +61 52 00.9 16.2 N EC063215
CK08C010 C2008 02 07.75192 23 42 09.45 +61 52 00.7 16.3 N EC063215
CK08C010 C2008 02 07.75618 23 42 11.16 +61 51 59.0 16.0 T EC063106
CK08C010 C2008 02 07.76035 23 42 12.76 +61 51 58.7 16.1 T EC063106
CK08C010 C2008 02 07.76244 23 42 13.61 +61 51 57.9 16.2 T EC063106
CK08C010 C2008 02 07.76452 23 42 14.53 +61 51 57.2 16.2 T EC063106
CK08C010 C2008 02 07.76736 23 42 15.59 +61 51 55.7 15.9 N EC063224
CK08C010 C2008 02 07.77210 23 42 17.47 +61 51 54.0 15.7 N EC063224
CK08C010 C2008 02 07.77625 23 42 19.07 +61 51 52.1 15.8 N EC063235
CK08C010 C2008 02 07.77685 23 42 19.31 +61 51 52.0 16.1 N EC063224
CK08C010 C2008 02 07.78125 23 42 20.82 +61 51 52.0 15.7 N EC063B50
CK08C010 C2008 02 07.78930 23 42 24.17 +61 51 46.5 17.0 N EC063A77
CK08C010 C2008 02 07.79576 23 42 26.71 +61 51 46.6 15.3 N EC063939
CK08C010 C2008 02 07.79704 23 42 27.23 +61 51 44.7 16.9 N EC063A77
CK08C010 C2008 02 07.79705 23 42 27.24 +61 51 45.7 15.4 N EC063939
CK08C010 C2008 02 07.79831 23 42 27.74 +61 51 44.9 15.3 N EC063939
CK08C010 C2008 02 07.80253 23 42 29.57 +61 51 42.4 16.0 N EC063130
CK08C010 C2008 02 07.80473 23 42 30.39 +61 51 42.4 16.6 N EC063A77
CK08C010 C2008 02 07.81054 23 42 32.60 +61 51 40.6 16.0 N EC063130
CK08C010 C2008 02 07.81096 23 42 32.69 +61 51 40.4 15.3 N EC063213
CK08C010 C2008 02 07.81122 23 42 32.83 +61 51 40.4 15.3 N EC063213
CK08C010 C2008 02 07.81174 23 42 32.99 +61 51 40.1 15.3 N EC063213
CK08C010 C2008 02 07.81234 23 42 33.22 +61 51 39.9 15.8 N EC063130
CK08C010 C2008 02 07.81394 23 42 33.74 +61 51 38.8 16.1 N EC063130
CK08C010 C2008 02 07.87760 23 42 59.32 +61 51 15.7 16.4 T EC063B48
CK08C010 C2008 02 07.88066 23 43 00.43 +61 51 14.2 16.4 T EC063B48
CK08C010 C2008 02 07.88370 23 43 01.60 +61 51 13.4 16.5 T EC063B48
CK08C010 C2008 02 07.88674 23 43 02.83 +61 51 12.3 16.5 T EC063B48
CK08C010 C2008 02 07.88978 23 43 04.27 +61 51 10.6 16.5 T EC063B48
CK08C010 C2008 02 07.89284 23 43 05.27 +61 51 09.8 16.3 T EC063B48
CK08C010 C2008 02 07.93498 23 43 22.03 +61 50 55.0 17.6 N EC063510
CK08C010 C2008 02 07.93772 23 43 23.08 +61 50 53.7 17.4 N EC063510
CK08C010 C2008 02 07.94047 23 43 24.26 +61 50 52.7 17.9 N EC063510
CK08C010 C2008 02 08.73217 23 48 39.15 +61 46 10.2 EC063048
CK08C010 C2008 02 08.73333 23 48 39.74 +61 46 09.8 EC063048
CK08C010 C2008 02 08.73391 23 48 40.01 +61 46 08.9 EC063048
CK08C010 C2008 02 08.73508 23 48 40.43 +61 46 08.7 EC063048
CK08C010 C2008 02 08.73739 23 48 41.34 +61 46 08.0 EC063048
CK08C010 C2008 02 08.81301 23 49 12.55 +61 45 34.3 EC063349
CK08C010 C2008 02 08.81537 23 49 13.40 +61 45 32.8 13.4 T EC063349
CK08C010 C2008 02 08.82335 23 49 15.72 +61 45 34.0 16.5 N EC063204
CK08C010 C2008 02 08.83227 23 49 19.19 +61 45 32.4 EC063J96
CK08C010 C2008 02 08.85205 23 49 27.25 +61 45 23.7 EC063J96
CK08C010 C2008 02 08.85760 23 49 29.52 +61 45 19.3 16.5 N EC063B50
CK08C010 C2008 02 08.86315 23 49 31.74 +61 45 17.8 16.9 N EC063B50
CK08C010 C2008 02 08.86643 23 49 33.13 +61 45 17.8 EC063J96
CK08C010 C2008 02 08.87593 23 49 36.78 +61 45 12.1 EC063204
CK08C010 C2008 02 09.76123 23 55 32.81 +61 39 11.6 16.5 N EC063B58
CK08C010 C2008 02 09.76294 23 55 33.48 +61 39 10.9 EC063B58
CK08C010 C2008 02 09.76469 23 55 34.15 +61 39 09.9 EC063B58
CK08C010 C2008 02 09.76662 23 55 35.00 +61 39 09.3 EC063B58
CK08C010 C2008 02 09.76846 23 55 35.65 +61 39 08.2 EC063B58
CK08C010 C2008 02 09.77019 23 55 36.53 +61 39 07.8 EC063B58
CK08C010 C2008 02 09.77236 23 55 37.31 +61 39 07.3 EC063B58
CK08C010 C2008 02 09.77493 23 55 38.33 +61 39 05.2 EC063B58
CK08C010 C2008 02 09.77668 23 55 39.06 +61 39 04.6 EC063B58
CK08C010 C2008 02 09.77842 23 55 39.73 +61 39 03.8 EC063B58
CK08C010 C2008 02 09.78409 23 55 42.06 +61 39 02.6 15.2 N EC063232
CK08C010 C2008 02 09.78720 23 55 43.29 +61 39 01.9 15.2 N EC063232
CK08C010 C2008 02 09.78928 23 55 44.21 +61 39 00.1 15.3 N EC063232
CK08C010 C2008 02 09.85800 23 56 11.85 +61 38 28.7 15.3 N EC063213
CK08C010 C2008 02 09.85972 23 56 12.61 +61 38 28.1 15.3 N EC063213
CK08C010 C2008 02 09.86142 23 56 13.30 +61 38 27.4 15.4 N EC063213
CK08C010 C2008 02 10.78488 00 02 28.00 +61 31 22.3 15.8 N EC063235
Observer details:
048 Hradec Kralove. Observer M. Lehky. 0.40-m f/5 reflector + CCD.
104 San Marcello Pistoiese. Observers L. Tesi, G. Fagioli, M. Mazzucato.
Measurers L. Tesi, M. Mazzucato. 0.60-m f/4 reflector + CCD.
106 Crni Vrh. Observer H. Mikuz. 0.6-m f/3.3 Deltagraph + CCD.
118 Modra. Observer S. Gajdos. 0.6-m f/5.5 reflector + CCD.
130 Lumezzane. Observers M. Casali, W. Marinello, M. Micheli, G. Pizzetti,
A. Soffiantini. Measurer W. Marinello. 0.40-m f/4.5 reflector + CCD.
204 Schiaparelli Observatory. Observers L. Buzzi, F. Luppi. Measurer
L. Buzzi. 0.60-m f/4.64 reflector + CCD.
213 Observatorio Montcabre. Observer R. Naves. Measurer M. Campas. 0.30-m
f/10 Schmidt-Cassegrain + CCD.
215 Buchloe. Observer W. Hasubick. 0.44-m f/4.6 reflector + CCD.
224 Ottmarsheim. Observer C. Rinner. 0.4-m f/3 reflector + CCD.
232 Masquefa Observatory. Observer E. Reina. 0.25-m f/3.3 Schmidt-Cassegrain
+ CCD.
235 CAST Observatory, Talmassons. Observer R. Ligustri. Measurers
R. Ligustri, P. Beltrame. 0.35-m f/5 reflector + CCD.
349 Ageo. Observer K. Kadota. 0.25-m f/5.0 reflector + CCD.
372 Geisei. Observer T. Seki. 0.60-m f/3.5 reflector.
379 Hamamatsu-Yuto. Observer S. Wakuda. 0.25-m f/5.0 Schmidt-Cassegrain
+ CCD.
510 Siegen. Observers M. Jung, H. Bill. Measurer H. Bill. 0.30-m f/5
reflector + CCD.
585 Kiev comet station. Observers A. Baransky, K. Churyumov. 0.7-m f/4
reflector + CCD.
595 Farra d'Isonzo. Observers G. Lombardi, E. Pettarin, F. Piani. Measurer
E. Pettarin. 0.40-m f/4.5 reflector + CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.61-m f/16
Cassegrain + CCD.
939 Observatorio Rodeno. Observer J. Castellano. 0.20-m f/10
Schmidt-Cassegrain + CCD.
945 Observatorio Monte Deva. Observer J. R. Vidal. 0.36-m f/4.48
Schmidt-Cassegrain + CCD.
A77 Observatoire Chante-Perdrix, Dauban. Observers C. Rinner, F. Kugel.
Measurer F. Kugel. 0.5-m f/3 reflector + CCD.
B20 Observatorio Carmelita, Tiana. Observer J. M. Aymami. 0.25-m f/5.1
Schmidt-Cassegrain + CCD.
B42 Vitebsk. Observer V. Nevski. 0.3-m f/5.0 reflector + CCD.
B48 Bocholt. Observer G. Weselowski. 0.25-m f/5.1 refractor + CCD.
B50 Corner Observatory, Durmersheim. Observer J. Linder. 0.20-m f/4.5
Schmidt-Cassegrain + CCD.
B58 Polaris Observatory, Budapest. Observer K. Sarneczky. 0.28-m f/6.3
Schmidt-Cassegrain + CCD. Long. = 19.02529, rho cos phi' = 0.676156,
rho sin phi' = +0.734318.
C42 Xingming Observatory, Mt. Nanshan. Observer X. Gao. 0.20-m f/4 reflector
+ CCD.
J38 Observatorio La Vara, Valdes. Observer F. Garcia. 0.25-m f/8.1 reflector
+ CCD.
J70 Obs. Astronomico Vega del Thader, El Palmar. Observer J. P. Navarro P.
0.25-m Schmidt-Cassegrain + CCD.
J96 Observatorio de Cantabria. Observer J. Ruiz. Measurers J. Temprano,
J. Curto. 0.40-m f/5.0 Ritchey-Chretien + CCD.
Orbital elements:
C/2008 C1 (Chen-Gao)
T 2008 Apr. 16.890 TT MPC
q 1.26329 (2000.0) P Q
Peri. 180.905 -0.617869 -0.363919
Node 307.738 +0.726820 +0.073814
e 1.0 Incl. 61.806 +0.299950 -0.928501
From 212 observations 2008 Feb. 2-10.
Ephemeris:
C/2008 C1 (Chen-Gao)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2008 02 04 23 17.98 +62 07.8 1.473 1.666 82.7 35.9 13.1
2008 02 09 23 50.45 +61 44.5 1.435 1.620 81.7 37.0 12.9
2008 02 14 00 24.54 +61 00.6 1.400 1.576 80.6 38.2 12.7
2008 02 19 00 59.39 +59 51.8 1.370 1.534 79.4 39.3 12.5
2008 02 24 01 34.02 +58 15.2 1.344 1.494 78.0 40.4 12.4
2008 02 29 02 07.50 +56 09.7 1.325 1.456 76.4 41.4 12.2
2008 03 05 02 39.12 +53 36.6 1.311 1.421 74.7 42.3 12.1
2008 03 10 03 08.43 +50 38.7 1.304 1.388 72.9 43.2 12.0
2008 03 15 03 35.26 +47 20.5 1.303 1.359 71.1 43.8 11.9
2008 03 20 03 59.65 +43 46.7 1.310 1.333 69.1 44.3 11.8
2008 03 25 04 21.76 +40 02.5 1.323 1.311 67.1 44.5 11.8
Brian G. Marsden (C) Copyright 2008 MPC M.P.E.C. 2008-C63
Read MPEC 2008-C62
Read MPEC 2008-C64
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