MPEC 2004-H90 : COMET P/2004 HC18 (LINEAR)
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.A form allowing access to any MPEC is at the bottom of this page.
Read MPEC 2004-H89
Read MPEC 2004-H91
M.P.E.C. 2004-H90 Issued 2004 Apr. 30, 17:16 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 04 17.34932 15 10 51.35 -19 15 39.8 19.1 N EH090704
PK04H18C C2004 04 17.35998 15 10 51.39 -19 15 24.6 19.7 N EH090704
PK04H18C C2004 04 17.37069 15 10 51.36 -19 15 08.5 19.5 N EH090704
PK04H18C C2004 04 17.38144 15 10 51.40 -19 14 52.2 19.4 N EH090704
PK04H18C C2004 04 17.39218 15 10 51.38 -19 14 35.6 19.5 N EH090704
PK04H18C C2004 04 21.43056 15 10 59.68 -17 29 12.8 18.5 N EH090704
PK04H18C C2004 04 21.44185 15 10 59.58 -17 28 54.6 18.5 N EH090704
PK04H18C C2004 04 21.45295 15 10 59.57 -17 28 36.1 18.6 N EH090704
PK04H18C C2004 04 25.33955 15 10 47.65 -15 39 54.1 17.8 T EH090691
PK04H18C C2004 04 25.36720 15 10 47.36 -15 39 06.5 17.6 T EH090691
PK04H18C C2004 04 25.39463 15 10 47.13 -15 38 18.9 17.9 T EH090691
PK04H18C C2004 04 29.32012 15 10 18.16 -13 42 30.3 17.6 N EH090704
PK04H18C C2004 04 29.32940 15 10 18.02 -13 42 12.9 18.0 N EH090704
PK04H18C C2004 04 29.33900 15 10 17.90 -13 41 56.1 18.1 N EH090704
PK04H18C C2004 04 29.34827 15 10 17.81 -13 41 38.7 17.9 N EH090704
PK04H18C C2004 04 29.35752 15 10 17.66 -13 41 23.0 17.9 N EH090704
Observer details:
691 Steward Observatory, Kitt Peak. Observer J. V. Scotti. 0.9-m f/3
reflector + 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 18.494 TT MPC
q 1.71315 (2000.0) P Q
n 0.150535 Peri. 30.716 -0.364443 +0.895795
a 3.49981 Node 219.568 -0.914780 -0.395507
e 0.51050 Incl. 23.542 -0.174240 +0.202794
P 6.55
From 16 observations 2004 Apr. 17-29.
Ephemeris:
P/2004 HC18 (LINEAR)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2004 04 25 15 10.82 -15 49.5 0.795 1.787 165.3 8.2 17.8
2004 05 05 15 09.25 -10 47.6 0.758 1.763 172.7 4.2 17.5
2004 05 15 15 07.02 -05 35.9 0.746 1.743 165.7 8.2 17.6
2004 05 25 15 05.42 -00 48.5 0.758 1.728 154.7 14.5 17.9
2004 06 04 15 05.63 +03 07.8 0.791 1.719 144.1 20.3 18.2
2004 06 14 15 08.32 +06 01.2 0.840 1.714 134.6 25.0 18.4
2004 06 24 15 13.79 +07 52.1 0.903 1.714 126.4 28.5 18.7
Brian G. Marsden (C) Copyright 2004 MPC M.P.E.C. 2004-H90
Read MPEC 2004-H89
Read MPEC 2004-H91
Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)