MPEC 2004-J39 : COMET P/2004 HC18 (LINEAR)
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M.P.E.C. 2004-J39 Issued 2004 May 10, 18:34 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 HC18 (LINEAR)
Observations:
PK04H18C C2004 05 01.31241 15 09 58.31 -12 41 56.3 17.9 T EJ039704
PK04H18C C2004 05 01.32251 15 09 58.15 -12 41 37.5 17.5 T EJ039704
PK04H18C C2004 05 01.33258 15 09 58.02 -12 41 18.4 17.6 T EJ039704
PK04H18C C2004 05 10.33140 15 08 03.52 -08 00 28.7 16.5 T EJ039703
PK04H18C C2004 05 10.34050 15 08 03.35 -08 00 11.5 16.3 T EJ039703
PK04H18C C2004 05 10.34955 15 08 03.18 -07 59 54.4 16.4 T EJ039703
PK04H18C C2004 05 10.35862 15 08 03.06 -07 59 37.5 16.2 T EJ039703
Observer details:
703 Catalina Sky Survey. Observers S. Larson, E. Beshore, E. Christensen,
R. Hill, S. Howard, D. McLean. 0.68-m f/1.8 Schmidt + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, R. Huber, L. Manguso, D. Torres, R. Kracke, M. McCleary,
H. Stange, A. Milner. Measurers J. Stuart, R. Sayer, J. Evans, J. Kommers.
1.0-m f/2.15 reflector + CCD.
Orbital elements:
P/2004 HC18 (LINEAR)
T 2004 June 18.6494 TT MPC
q 1.711655 (2000.0) P Q
n 0.1511435 Peri. 30.8227 -0.3628028 +0.8965612
a 3.490410 Node 219.5614 -0.9154546 -0.3938541
e 0.509612 Incl. 23.5104 -0.1741175 +0.2026252
P 6.52
From 23 observations 2004 Apr. 17-May 10.
Ephemeris:
P/2004 HC18 (LINEAR)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2004 05 05 15 09.25 -10 47.6 0.757 1.762 172.7 4.2 17.5
2004 05 15 15 07.01 -05 35.7 0.744 1.742 165.7 8.2 17.6
2004 05 25 15 05.41 -00 48.1 0.756 1.727 154.7 14.5 17.9
2004 06 04 15 05.62 +03 08.3 0.789 1.717 144.0 20.3 18.2
2004 06 14 15 08.31 +06 01.8 0.839 1.712 134.6 25.0 18.4
2004 06 24 15 13.79 +07 52.8 0.901 1.712 126.4 28.5 18.7
Brian G. Marsden (C) Copyright 2004 MPC M.P.E.C. 2004-J39
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