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IAU Minor Planet Center

Minor Planet Center

MPEC 2005-C63 : COMET C/2004 X3 (LINEAR)

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M.P.E.C. 2005-C63                                Issued 2005 Feb. 15, 22:18 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 X3 (LINEAR)

Observations:
    CK04X030  C2005 02 04.71999 11 20 26.88 +00 57 53.6                 EC063349
    CK04X030  C2005 02 04.72359 11 20 26.67 +00 57 52.4                 EC063349
    CK04X030  C2005 02 04.72719 11 20 26.46 +00 57 51.4          18.4 T EC063349
    CK04X030   2005 02 08.68333 11 16 25.79 +00 36 14.2                 EC063372
    CK04X030   2005 02 11.68889 11 13 13.93 +00 20 15.6                 EC063372
    CK04X030  C2005 02 13.07571 11 11 43.05 +00 13 00.4          17.7 N EC063213
    CK04X030  C2005 02 13.07682 11 11 42.98 +00 13 00.4          17.7 N EC063213
    CK04X030  C2005 02 13.07793 11 11 42.88 +00 12 59.9          17.7 N EC063213

Observer details:
213 Observatorio Montcabre.  Observer R. Naves.  Measurer M. Campas.  0.30-m
    f/5.9 Schmidt-Cassegrain + 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.

Orbital elements:
    C/2004 X3 (LINEAR)
Epoch 2005 May 30.0 TT = JDT 2453520.5
T 2005 June 17.20322 TT                                 MPC
q   4.4024360            (2000.0)            P               Q
z  -0.0014537      Peri.  202.12817     -0.90314429     +0.31834493
 +/-0.0000489      Node   343.04537     +0.34450813     +0.13693838
e   1.0063998      Incl.   81.06347     -0.25621191     -0.93803219
From 137 observations 2004 Dec. 15-2005 Feb. 13, mean residual 0".53.

     The "original" and "future" barycentric values of 1/a are -0.000020
and -0.000673 (+/- 0.000049) AU^-1, respectively.

Brian G. Marsden             (C) Copyright 2005 MPC           M.P.E.C. 2005-C63

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