MPEC 2004-F89 : COMET C/2004 C1 (LARSEN)
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M.P.E.C. 2004-F89 Issued 2004 Mar. 30, 18:17 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.
Supported in part by the Steven and Michele Kirsch Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET C/2004 C1 (LARSEN)
Observations:
CK04C010 2004 02 20.60660 10 13 23.72 +10 36 25.5 19.5 T EF089372
CK04C010 2004 02 25.57882 10 11 19.52 +11 09 21.1 20.0 T EF089372
CK04C010 2004 02 27.64583 10 10 28.82 +11 22 54.1 20.1 T EF089372
CK04C010 C2004 03 20.53853 10 02 53.31 +13 33 29.4 19.3 T EF089360
CK04C010 C2004 03 20.54319 10 02 53.15 +13 33 30.2 EF089360
CK04C010 C2004 03 20.54863 10 02 53.08 +13 33 31.6 EF089360
CK04C010 C2004 03 26.12287 10 01 34.79 +14 01 24.9 20.7 T EF089691
CK04C010 C2004 03 26.15471 10 01 34.36 +14 01 34.4 20.5 T EF089691
CK04C010 C2004 03 26.18788 10 01 33.89 +14 01 43.8 20.4 T EF089691
CK04C010 C2004 03 26.56706 10 01 29.24 +14 03 29.7 19.7 T EF089360
CK04C010 C2004 03 26.57272 10 01 29.07 +14 03 31.7 EF089360
CK04C010 C2004 03 26.57727 10 01 29.14 +14 03 33.2 EF089360
Observer details:
360 Kuma Kogen. Observer A. Nakamura. 0.60-m f/5.8 Ritchey-Chretien + CCD.
372 Geisei. Observer T. Seki. 0.60-m f/3.5 reflector.
691 Steward Observatory, Kitt Peak. Observer A. E. Gleason. 0.9-m f/3
reflector + CCD.
Orbital elements:
C/2004 C1 (Larsen)
T 2003 Mar. 19.3997 TT MPC
q 4.347328 (2000.0) P Q
n 0.0248351 Peri. 315.9388 -0.3478132 -0.9097198
a 11.634785 Node 151.9553 +0.9366897 -0.3476122
e 0.626351 Incl. 28.8408 +0.0404758 +0.2271028
P 39.7
From 68 observations 2004 Jan. 23-Mar. 26.
Ephemeris:
C/2004 C1 (Larsen)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2004 03 26 10 01.60 +14 00.8 4.136 4.959 141.9 7.1 20.6
2004 04 05 10 00.10 +14 44.0 4.270 4.989 131.4 8.6 20.7
2004 04 15 09 59.77 +15 17.9 4.424 5.020 121.4 9.8 20.9
2004 04 25 10 00.65 +15 42.6 4.592 5.051 111.7 10.7 21.0
2004 05 05 10 02.73 +15 58.2 4.770 5.082 102.3 11.2 21.1
2004 05 15 10 05.92 +16 05.5 4.954 5.114 93.4 11.4 21.2
2004 05 25 10 10.13 +16 05.3 5.140 5.146 84.7 11.3 21.3
2004 06 04 10 15.23 +15 58.4 5.324 5.179 76.4 11.0 21.4
2004 06 14 10 21.12 +15 45.6 5.503 5.212 68.2 10.4 21.5
2004 06 24 10 27.67 +15 27.6 5.674 5.246 60.3 9.7 21.5
2004 07 04 10 34.79 +15 05.3 5.835 5.279 52.6 8.8 21.5
2004 07 14 10 42.36 +14 39.4 5.983 5.314 45.0 7.8 21.6
2004 07 24 10 50.29 +14 10.6 6.117 5.348 37.6 6.7 21.6
Brian G. Marsden (C) Copyright 2004 MPC M.P.E.C. 2004-F89
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