MPEC 2004-M50 : COMET P/2004 HC18 (LINEAR)
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M.P.E.C. 2004-M50 Issued 2004 June 25, 14:57 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 06 18.88020 15 10 37.98 +07 03 23.0 EM050170 PK04H18C C2004 06 18.88329 15 10 38.07 +07 03 25.4 EM050170 PK04H18C C2004 06 18.88639 15 10 38.16 +07 03 27.3 EM050170 PK04H18C C2004 06 18.95056 15 10 39.98 +07 04 11.2 16.6 N EM050442 PK04H18C C2004 06 18.95131 15 10 40.10 +07 04 10.7 16.5 N EM050442 PK04H18C C2004 06 19.97667 15 11 14.50 +07 15 12.1 16.5 T EM050A01 PK04H18C C2004 06 19.98451 15 11 14.74 +07 15 16.8 16.6 T EM050A01 PK04H18C C2004 06 19.98844 15 11 14.86 +07 15 19.6 16.4 T EM050A01 PK04H18C C2004 06 20.32303 15 11 26.52 +07 18 50.4 16.2 T EM050703 PK04H18C C2004 06 20.32984 15 11 26.75 +07 18 54.5 16.1 T EM050703 PK04H18C C2004 06 20.33659 15 11 26.96 +07 18 59.1 16.1 T EM050703 PK04H18C C2004 06 20.34334 15 11 27.18 +07 19 02.4 16.1 T EM050703 PK04H18C C2004 06 21.22523 15 11 59.11 +07 27 52.8 18.2 T EM050704 PK04H18C C2004 06 21.23472 15 11 59.47 +07 27 58.9 18.3 T EM050704 PK04H18C C2004 06 21.24440 15 11 59.78 +07 28 04.4 18.5 T EM050704 PK04H18C C2004 06 21.25388 15 12 00.13 +07 28 09.8 18.6 T EM050704 PK04H18C C2004 06 21.26335 15 12 00.45 +07 28 15.8 18.0 T EM050704 PK04H18C C2004 06 21.87772 15 12 23.47 +07 34 05.7 EM050246 PK04H18C C2004 06 21.87846 15 12 23.49 +07 34 06.0 EM050246 PK04H18C C2004 06 21.87946 15 12 23.53 +07 34 06.7 EM050246 PK04H18C C2004 06 21.88103 15 12 23.58 +07 34 07.4 EM050246 PK04H18C C2004 06 21.88190 15 12 23.61 +07 34 07.8 EM050246 PK04H18C C2004 06 21.88250 15 12 23.64 +07 34 08.0 EM050246 PK04H18C C2004 06 21.96234 15 12 26.38 +07 34 52.8 EM050A46 PK04H18C C2004 06 21.96332 15 12 26.52 +07 34 53.9 EM050A46 PK04H18C C2004 06 21.96718 15 12 26.63 +07 34 55.3 EM050A46 PK04H18C C2004 06 21.96815 15 12 26.65 +07 34 55.3 EM050A46 PK04H18C C2004 06 21.96911 15 12 26.71 +07 34 56.1 EM050A46 PK04H18C C2004 06 21.97008 15 12 26.74 +07 34 56.8 EM050A46 Observer details: 170 Observatorio de Begues. Observer J. Manteca. 0.36-m f/6.3 Schmidt-Cassegrain + CCD. 246 Klet Observatory-KLENOT. Observer M. Tichy. 1.06-m KLENOT Telescope + CCD. 442 Gualba Observatory. Observer A. Sanchez. 0.36-m f/4 Schmidt-Cassegrain + CCD. 703 Catalina Sky Survey. Observers S. Larson, E. Beshore, E. Christensen, R. Hill, 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. A01 Masia Cal Maciarol Modul 1. Observer F. Baldris. 0.20-m f/5.0 Newtonian + CCD. A46 Lelekovice. Observer K. Hornoch. 0.35-m f/4.7 reflector + CCD. Orbital elements: P/2004 HC18 (LINEAR) T 2004 June 18.6689 TT MPC q 1.711582 (2000.0) P Q n 0.1511462 Peri. 30.8343 -0.3626212 +0.8966376 a 3.490368 Node 219.5613 -0.9155329 -0.3936694 e 0.509627 Incl. 23.5094 -0.1740846 +0.2026459 P 6.52 From 178 observations 2004 Apr. 17-June 21. Brian G. Marsden (C) Copyright 2004 MPC M.P.E.C. 2004-M50


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