MPEC 2004-X31 : COMET C/2004 X1 (LINEAR)
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M.P.E.C. 2004-X31 Issued 2004 Dec. 9, 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 Brinson 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 X1 (LINEAR) Observations: CK04X010 C2004 12 07.07585 21 56 11.20 -04 32 40.1 18.7 T EX031704 CK04X010 C2004 12 07.08809 21 56 16.85 -04 31 56.3 18.8 T EX031704 CK04X010 C2004 12 07.10027 21 56 22.76 -04 31 07.7 19.1 T EX031704 CK04X010 C2004 12 07.11247 21 56 28.56 -04 30 20.3 18.9 T EX031704 CK04X010 C2004 12 09.10381 22 12 32.49 -02 25 54.5 16.5 T EX031703 CK04X010 C2004 12 09.10487 22 12 32.95 -02 25 50.4 16.2 T EX031703 CK04X010 C2004 12 09.10593 22 12 33.41 -02 25 46.8 16.4 T EX031703 CK04X010 C2004 12 09.10699 22 12 33.84 -02 25 43.9 16.6 T EX031703 CK04X010 C2004 12 09.69580 22 17 20.03 -01 48 38.4 EX031246 CK04X010 C2004 12 09.69624 22 17 20.13 -01 48 37.6 EX031246 CK04X010 C2004 12 09.69667 22 17 20.39 -01 48 34.5 EX031246 CK04X010 C2004 12 09.69706 22 17 20.53 -01 48 33.7 EX031246 CK04X010 C2004 12 09.69747 22 17 20.73 -01 48 32.5 EX031246 CK04X010 C2004 12 09.69793 22 17 20.91 -01 48 30.8 EX031246 CK04X010 C2004 12 09.69846 22 17 21.21 -01 48 28.8 EX031246 CK04X010 C2004 12 09.69895 22 17 21.43 -01 48 26.7 EX031246 Observer details: 246 Klet Observatory-KLENOT. Observers M. Tichy, M. Kocer, J. Ticha. Measurer M. Tichy. 1.06-m KLENOT Telescope + CCD. 703 Catalina Sky Survey. Observer E. J. Christensen. Measurers E. C. Beshore, C. M. Casey, E. J. Christensen, G. J. Garradd, R. E. Hill, S. M. Larson, R. H. McNaught. 0.68-m 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: C/2004 X1 (LINEAR) T 2004 Nov. 7.366 TT MPC q 0.81028 (2000.0) P Q Peri. 355.104 +0.996612 +0.082245 Node 0.179 -0.071708 +0.870755 e 1.0 Incl. 5.669 -0.040278 +0.484790 From 14 observations 2004 Dec. 7-9. Ephemeris: C/2004 X1 (LINEAR) Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2 2004 12 01 21 08.29 -10 28.0 0.543 0.925 67.4 79.8 15.8 2004 12 11 22 27.87 -00 26.0 0.519 1.025 79.4 70.7 16.2 2004 12 21 23 46.12 +09 29.6 0.560 1.142 91.2 59.4 16.8 2004 12 31 00 53.80 +16 50.8 0.660 1.269 99.2 49.9 17.6 2005 01 10 01 48.21 +21 27.6 0.803 1.401 102.8 43.2 18.5 2005 01 20 02 31.49 +24 13.7 0.976 1.535 103.1 38.6 19.3 2005 01 30 03 06.70 +25 54.8 1.171 1.670 101.2 35.3 20.1 The 1990-1991 observations of P/2004 V4 on MPEC 2004-X29 should not have been preceded by the letter "C" (for CCD). Brian G. Marsden (C) Copyright 2004 MPC M.P.E.C. 2004-X31


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