MPEC 2008-D09 : COMET C/2008 C1 (CHEN-GAO)
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M.P.E.C. 2008-D09 Issued 2008 Feb. 18, 00:41 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 C2008 02 08.67162 23 48 16.02 +61 46 41.7 17.3 N ED009C42
CK08C010 C2008 02 08.68414 23 48 20.08 +61 46 34.9 16.6 N ED009C42
CK08C010 C2008 02 08.69668 23 48 25.10 +61 46 25.7 16.5 N ED009C42
CK08C010 C2008 02 08.70920 23 48 29.83 +61 46 11.5 16.9 N ED009C42
CK08C010 C2008 02 08.85160 23 49 27.14 +61 45 23.5 15.4 N ED009J38
CK08C010 C2008 02 08.85237 23 49 27.45 +61 45 22.8 15.5 N ED009J38
CK08C010 C2008 02 08.85311 23 49 27.72 +61 45 21.6 15.5 N ED009J38
CK08C010 C2008 02 09.77857 23 55 39.86 +61 39 04.7 16.0 T ED009106
CK08C010 C2008 02 09.77961 23 55 40.25 +61 39 04.1 15.0 T ED009106
CK08C010 C2008 02 09.78065 23 55 40.65 +61 39 03.6 15.8 T ED009106
CK08C010 C2008 02 09.78170 23 55 41.02 +61 39 02.6 15.0 T ED009106
CK08C010 C2008 02 09.78275 23 55 41.57 +61 39 02.0 15.9 T ED009106
CK08C010 C2008 02 09.78379 23 55 41.93 +61 39 01.8 15.2 T ED009106
CK08C010 C2008 02 09.78483 23 55 42.34 +61 39 01.2 16.0 T ED009106
CK08C010 C2008 02 09.78588 23 55 42.75 +61 39 01.2 15.0 T ED009106
CK08C010 C2008 02 09.78692 23 55 43.24 +61 39 00.2 16.1 T ED009106
CK08C010 C2008 02 09.78796 23 55 43.65 +61 39 00.0 15.0 T ED009106
CK08C010 C2008 02 10.11258 23 57 54.81 +61 36 37.0 ED009H06
CK08C010 C2008 02 10.11461 23 57 55.57 +61 36 36.5 13.2 T ED009H06
CK08C010 C2008 02 10.41142 23 59 56.06 +61 34 21.5 ED009D88
CK08C010 C2008 02 10.41321 23 59 56.81 +61 34 21.4 ED009D88
CK08C010 C2008 02 10.41500 23 59 57.42 +61 34 20.2 14.4 T ED009D88
CK08C010 C2008 02 10.75133 00 02 14.27 +61 31 38.5 ED009048
CK08C010 C2008 02 10.75174 00 02 14.36 +61 31 38.3 ED009048
CK08C010 C2008 02 10.75296 00 02 14.87 +61 31 38.0 ED009048
CK08C010 C2008 02 10.75337 00 02 14.92 +61 31 37.7 ED009048
CK08C010 C2008 02 10.75462 00 02 15.58 +61 31 36.5 ED009048
CK08C010 C2008 02 10.87993 00 03 06.77 +61 30 33.4 14.9 N ED009945
CK08C010 C2008 02 10.88063 00 03 06.92 +61 30 33.8 14.9 N ED009945
CK08C010 C2008 02 10.88154 00 03 07.35 +61 30 35.4 15.0 N ED009945
CK08C010 C2008 02 10.88250 00 03 07.62 +61 30 31.7 14.8 N ED009945
CK08C010 C2008 02 10.89914 00 03 14.69 +61 30 25.5 15.3 N ED009J38
CK08C010 C2008 02 10.89989 00 03 14.97 +61 30 24.4 15.3 N ED009J38
CK08C010 C2008 02 11.78698 00 09 17.51 +61 22 46.1 18.4 N ED009585
CK08C010 C2008 02 11.79259 00 09 20.05 +61 22 43.4 18.0 N ED009585
CK08C010 C2008 02 11.79807 00 09 22.33 +61 22 40.5 17.5 N ED009585
CK08C010 C2008 02 11.80197 00 09 23.91 +61 22 37.7 17.5 N ED009585
CK08C010 C2008 02 11.80586 00 09 25.49 +61 22 35.7 17.5 N ED009585
CK08C010 C2008 02 11.80975 00 09 27.22 +61 22 33.6 17.5 N ED009585
CK08C010 C2008 02 11.85781 00 09 46.98 +61 22 06.7 17.6 N ED009585
CK08C010 C2008 02 11.89463 00 10 01.85 +61 21 50.0 16.2 N ED009J51
CK08C010 C2008 02 11.89804 00 10 03.15 +61 21 47.8 16.2 N ED009J51
CK08C010 C2008 02 11.90087 00 10 04.58 +61 21 42.7 ED009046
CK08C010 C2008 02 11.90133 00 10 04.85 +61 21 42.5 ED009046
CK08C010 C2008 02 11.90146 00 10 04.59 +61 21 46.1 16.1 N ED009J51
CK08C010 C2008 02 11.90237 00 10 05.16 +61 21 42.4 ED009046
CK08C010 C2008 02 11.90284 00 10 05.39 +61 21 42.3 ED009046
CK08C010 C2008 02 11.90331 00 10 05.59 +61 21 41.7 ED009046
CK08C010 C2008 02 11.90402 00 10 05.83 +61 21 41.5 ED009046
CK08C010 C2008 02 11.90471 00 10 06.09 +61 21 40.9 ED009046
CK08C010 C2008 02 11.91360 00 10 09.16 +61 21 38.8 15.2 N ED009945
CK08C010 C2008 02 11.91672 00 10 10.97 +61 21 35.5 15.1 N ED009945
CK08C010 C2008 02 11.91753 00 10 11.39 +61 21 36.0 15.1 N ED009945
CK08C010 C2008 02 12.77658 00 16 05.20 +61 13 25.9 15.8 N ED009235
CK08C010 C2008 02 12.87357 00 16 45.22 +61 12 25.7 ED009204
CK08C010 C2008 02 12.91795 00 17 03.61 +61 11 57.9 15.8 N ED009204
CK08C010 C2008 02 13.86912 00 23 37.62 +61 01 58.0 16.3 N ED009J34
CK08C010 C2008 02 13.91667 00 23 57.48 +61 01 26.2 16.4 N ED009J34
CK08C010 C2008 02 15.82231 00 37 12.13 +60 38 35.4 15.2 N ED009J46
CK08C010 C2008 02 15.82500 00 37 13.20 +60 38 32.6 15.9 N ED009J46
CK08C010 C2008 02 15.85197 00 37 24.49 +60 38 08.2 15.0 N ED009213
CK08C010 C2008 02 15.85429 00 37 25.47 +60 38 06.2 15.0 N ED009213
CK08C010 C2008 02 15.85553 00 37 25.96 +60 38 05.3 15.0 N ED009213
CK08C010 C2008 02 15.86767 00 37 31.06 +60 37 57.8 14.9 N ED009J47
CK08C010 C2008 02 15.87454 00 37 33.80 +60 37 52.4 14.8 N ED009J47
CK08C010 C2008 02 15.88240 00 37 37.15 +60 37 46.3 14.9 N ED009J47
CK08C010 C2008 02 16.75823 00 43 44.08 +60 25 55.4 15.4 T ED009A97
CK08C010 C2008 02 16.76757 00 43 48.05 +60 25 47.2 15.2 T ED009A97
CK08C010 C2008 02 16.77689 00 43 51.83 +60 25 36.6 14.5 T ED009A97
Observer details:
046 Klet. Observers M. Honkova, M. Tichy. Measurer M. Honkova. 0.57-m f/5.2
reflector + CCD.
048 Hradec Kralove. Observer M. Lehky. 0.40-m f/5 reflector + CCD.
106 Crni Vrh. Observers H. Mikuz, B. Mikuz. 0.6-m f/3.3 Deltagraph + CCD.
204 Schiaparelli Observatory. Observer 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.
235 CAST Observatory, Talmassons. Observer R. Ligustri. 0.35-m f/5 reflector
+ CCD.
585 Kiev comet station. Observer A. Baransky. 0.7-m f/4 reflector + CCD.
945 Observatorio Monte Deva. Observer J. R. Vidal. 0.36-m f/4.48
Schmidt-Cassegrain + CCD.
A97 Stammersdorf. Observer W. Vollmann. 0.13-m f/4 refractor + CCD.
C42 Xingming Observatory, Mt. Nanshan. Observers X. Gao, J. Beize. 0.07-m
f/2.8 lens and camera.
D88 Hiratsuka. Observer Y. Sugiyama. 0.25-m f/5.0 reflector + CCD.
H06 RAS Observatory, Mayhill. Observer M. Suzuki. 0.25-m f/3.4 reflector
+ CCD.
J34 La Fecha. Observer D. Cardenosa. 0.20-m f/10 Schmidt-Cassegrain + CCD.
J38 Observatorio La Vara, Valdes. Observer F. Garcia. 0.25-m f/8.1 reflector
+ CCD.
J46 Observatorio Montana Blanca, Tias. Observer C. Piret. 0.20-m
Schmidt-Cassegrain + CCD.
J47 Observatorio Nazaret. Observer G. Muler. 0.20-m Schmidt-Cassegrain + CCD.
J51 Observatorio Atlante, Tenerife. Observer J. A. Henriquez. 0.2-m f/9
Cassegrain + CCD.
Orbital elements:
C/2008 C1 (Chen-Gao)
T 2008 Apr. 16.852 TT MPC
q 1.26230 (2000.0) P Q
Peri. 180.931 -0.618674 -0.363664
Node 307.784 +0.726393 +0.072944
e 1.0 Incl. 61.784 +0.299326 -0.928670
From 272 observations 2008 Feb. 2-16.
Ephemeris:
C/2008 C1 (Chen-Gao)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2008 02 14 00 24.54 +61 00.6 1.399 1.575 80.6 38.2 12.7
2008 02 19 00 59.40 +59 51.8 1.369 1.533 79.4 39.3 12.5
2008 02 24 01 34.04 +58 15.1 1.343 1.493 78.0 40.4 12.4
2008 02 29 02 07.54 +56 09.5 1.323 1.455 76.4 41.4 12.2
2008 03 05 02 39.17 +53 36.2 1.309 1.420 74.7 42.4 12.1
2008 03 10 03 08.49 +50 38.2 1.302 1.387 73.0 43.2 12.0
2008 03 15 03 35.34 +47 19.7 1.302 1.358 71.1 43.9 11.9
2008 03 20 03 59.73 +43 45.6 1.308 1.332 69.1 44.3 11.8
2008 03 25 04 21.85 +40 01.1 1.321 1.310 67.1 44.6 11.8
Brian G. Marsden (C) Copyright 2008 MPC M.P.E.C. 2008-D09
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