MPEC 2004-Y56 : COMET C/2004 X2 (LINEAR)
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M.P.E.C. 2004-Y56 Issued 2004 Dec. 24, 15:35 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 X2 (LINEAR) Observations: CK04X020 C2004 12 10.69896 09 29 50.22 +12 11 16.3 18.4 T EY056D74 CK04X020 C2004 12 10.70382 09 29 50.02 +12 11 13.8 18.5 T EY056D74 CK04X020 C2004 12 10.70868 09 29 49.86 +12 11 10.6 18.4 T EY056D74 CK04X020 C2004 12 12.16946 09 28 55.36 +11 56 18.9 18.1 T EY056204 CK04X020 C2004 12 12.17616 09 28 55.08 +11 56 14.9 EY056204 CK04X020 2004 12 13.72292 09 27 54.65 +11 40 33.7 18.5 T EY056372 CK04X020 2004 12 17.79271 09 25 00.83 +10 59 26.2 EY056372 CK04X020 C2004 12 18.43723 09 24 31.60 +10 52 56.5 18.5 T EY056704 CK04X020 C2004 12 18.45063 09 24 30.96 +10 52 48.4 18.9 T EY056704 CK04X020 C2004 12 18.46432 09 24 30.29 +10 52 40.7 18.9 T EY056704 CK04X020 C2004 12 18.47895 09 24 29.60 +10 52 32.1 18.8 T EY056704 CK04X020 C2004 12 18.49403 09 24 28.91 +10 52 22.5 18.6 T EY056704 CK04X020 C2004 12 18.78545 09 24 15.42 +10 49 27.2 EY056349 CK04X020 C2004 12 18.79405 09 24 15.02 +10 49 22.1 EY056349 CK04X020 C2004 12 18.80265 09 24 14.62 +10 49 17.1 18.0 T EY056349 CK04X020 C2004 12 19.09774 09 24 00.91 +10 46 17.9 18.0 N EY056A61 CK04X020 C2004 12 19.10219 09 24 00.79 +10 46 14.6 18.1 N EY056A61 CK04X020 C2004 12 19.10619 09 24 00.49 +10 46 13.3 18.0 N EY056A61 Observer details: 204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 Newtonian reflector + CCD. 349 Ageo. Observer K. Kadota. 0.25-m f/5.0 reflector + CCD. 372 Geisei. Observer T. Seki. 0.60-m f/3.5 reflector. 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. A61 Tortona. Observers F. Fratev, E. Mihaylova. Measurer F. Fratev. 0.25-m f/4.7 reflector + CCD. D74 Nakagawa. Observers H. Hori, H. Maeno. 1.13-m f/6.75 reflector + CCD. Orbital elements: C/2004 X2 (LINEAR) T 2004 Aug. 24.0535 TT MPC q 3.791131 (2000.0) P Q z +0.001134 Peri. 162.1585 -0.5024315 -0.4184806 Node 307.3357 +0.6308400 +0.4209884 e 0.995700 Incl. 72.0970 +0.5912728 -0.8047625 From 94 observations 2004 Nov. 19-Dec. 19. Ephemeris: C/2004 X2 (LINEAR) Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2 2004 12 21 09 22.50 +10 27.3 3.232 3.933 129.5 11.1 18.5 2004 12 31 09 13.38 +08 48.4 3.144 3.957 141.0 9.0 18.5 2005 01 10 09 02.64 +07 13.1 3.085 3.982 152.3 6.6 18.4 2005 01 20 08 50.82 +05 43.1 3.061 4.010 162.3 4.3 18.5 2005 01 30 08 38.64 +04 20.3 3.075 4.039 166.3 3.3 18.5 2005 02 09 08 26.86 +03 06.2 3.127 4.070 160.4 4.7 18.6 2005 02 19 08 16.18 +02 01.4 3.214 4.102 150.3 6.9 18.7 2005 03 01 08 07.13 +01 05.4 3.332 4.136 139.5 9.0 18.8 Brian G. Marsden (C) Copyright 2004 MPC M.P.E.C. 2004-Y56


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