MPEC 2004-H42 : COMET P/2004 H2 (LARSEN)
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M.P.E.C. 2004-H42 Issued 2004 Apr. 21, 19:46 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 P/2004 H2 (LARSEN)
Observations:
PK04H020 C2004 04 19.41414 16 15 51.78 -03 22 09.8 20.4 T EH042691
PK04H020 C2004 04 19.44068 16 15 51.40 -03 22 02.9 19.5 T EH042691
PK04H020 C2004 04 19.47112 16 15 51.02 -03 21 56.4 20.1 T EH042691
PK04H020 C2004 04 20.34652 16 15 40.66 -03 18 27.4 20.7 T EH042291
PK04H020 C2004 04 20.35528 16 15 40.56 -03 18 27.0 19.5 T EH042291
PK04H020 C2004 04 20.36680 16 15 40.25 -03 18 25.2 18.5 T EH042291
PK04H020 C2004 04 20.98126 16 15 32.28 -03 15 58.7 19.1 N EH042176
PK04H020 C2004 04 20.98359 16 15 32.26 -03 15 58.2 19.1 N EH042176
PK04H020 C2004 04 20.98867 16 15 32.21 -03 15 57.3 19.3 N EH042176
PK04H020 C2004 04 21.07016 16 15 30.83 -03 15 38.5 19.4 N EH042113
PK04H020 C2004 04 21.07475 16 15 30.78 -03 15 37.5 19.1 N EH042113
PK04H020 C2004 04 21.07933 16 15 30.72 -03 15 36.2 19.3 N EH042113
PK04H020 C2004 04 21.29118 16 15 27.89 -03 14 45.7 20.1 N EH042854
PK04H020 C2004 04 21.30673 16 15 27.83 -03 14 42.3 19.9 N EH042854
PK04H020 C2004 04 21.40376 16 15 26.11 -03 14 20.6 EH042H36
PK04H020 C2004 04 21.41690 16 15 26.15 -03 14 17.2 19.0 T EH042673
PK04H020 C2004 04 21.41823 16 15 26.00 -03 14 17.1 19.5 T EH042H36
PK04H020 C2004 04 21.42049 16 15 26.10 -03 14 16.1 EH042673
PK04H020 C2004 04 21.42086 16 15 26.01 -03 14 15.8 19.0 T EH042711
PK04H020 C2004 04 21.42558 16 15 26.03 -03 14 14.9 EH042673
PK04H020 C2004 04 21.43183 16 15 25.94 -03 14 13.2 EH042673
PK04H020 C2004 04 21.43269 16 15 25.79 -03 14 14.3 19.6 T EH042H36
PK04H020 C2004 04 21.43369 16 15 25.79 -03 14 12.5 19.2 T EH042711
PK04H020 C2004 04 21.44502 16 15 25.70 -03 14 09.9 EH042673
PK04H020 C2004 04 21.45278 16 15 25.58 -03 14 08.2 EH042673
Observer details:
113 Volkssternwarte Drebach, Schoenbrunn. Observer A. Knofel. 0.5-m f/5
reflector + CCD.
176 Observatori Astronomic de Consell. Observers A. Lopez, R. Pacheco,
J. Forteza. 0.41-m f/4 reflector + CCD.
291 LPL/Spacewatch II. Observer A. S. Descour. 1.8-m f/2.7 reflector + CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.6-m
reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer J. A. Larsen. 0.9-m f/3
reflector + CCD.
711 McDonald Observatory. Observer J. G. Ries. 0.76-m reflector with prime
focus corrector + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.356-m f/10.0
Schmidt-Cassegrain + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.3-m Schmidt-Cassegrain
+ CCD.
Orbital elements:
P/2004 H2 (Larsen)
T 2004 Aug. 11.946 TT MPC
q 2.58236 (2000.0) P Q
n 0.103418 Peri. 132.957 -0.127588 +0.978385
a 4.49509 Node 128.984 -0.960009 -0.080594
e 0.42552 Incl. 12.085 -0.249208 -0.190443
P 9.53
From 24 observations 2004 Apr. 19-21.
Ephemeris:
P/2004 H2 (Larsen)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2004 04 15 16 16.49 -03 40.0 1.870 2.710 139.2 14.0 19.2
2004 04 25 16 14.46 -03 00.7 1.785 2.690 147.9 11.5 19.1
2004 05 05 16 10.41 -02 28.1 1.720 2.672 155.7 8.9 18.9
2004 05 15 16 04.88 -02 06.9 1.679 2.655 161.0 7.1 18.9
2004 05 25 15 58.57 -02 01.2 1.662 2.640 160.9 7.2 18.8
2004 06 04 15 52.38 -02 13.5 1.669 2.627 155.5 9.2 18.8
2004 06 14 15 47.15 -02 44.4 1.700 2.615 147.7 12.0 18.8
2004 06 24 15 43.57 -03 32.6 1.751 2.605 139.0 14.8 18.9
Brian G. Marsden (C) Copyright 2004 MPC M.P.E.C. 2004-H42
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