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IAU Minor Planet Center

Minor Planet Center

MPEC 2004-H65 : COMET P/2004 H2 (LARSEN)

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M.P.E.C. 2004-H65                                Issued 2004 Apr. 24, 14:03 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 H2 (LARSEN)

Observations:
    PK04H020  C2004 04 23.70086 16 14 50.39 -03 05 37.2          18.9 T EH065360
    PK04H020  C2004 04 23.72105 16 14 49.97 -03 05 32.4                 EH065360
    PK04H020  C2004 04 23.73046 16 14 49.72 -03 05 29.7                 EH065360
    PK04H020  C2004 04 24.06929 16 14 43.95 -03 04 14.1                 EH065170
    PK04H020  C2004 04 24.07293 16 14 43.89 -03 04 13.2                 EH065170
    PK04H020  C2004 04 24.08021 16 14 43.81 -03 04 12.7                 EH065170

Observer details:
170 Observatorio de Begues.  Observer J. Manteca.  0.36-m f/6.3 Schmidt-
    Cassegrain + CCD.
360 Kuma Kogen.  Observer A. Nakamura.  0.60-m f/5.8 Ritchey-Chretien + CCD.

Orbital elements:
    P/2004 H2 (Larsen)
T 2004 Apr. 11.532 TT                                   MPC
q   2.59514              (2000.0)            P               Q
n   0.099959       Peri.   95.298       -0.656208       +0.739654
a   4.59819        Node   132.525       -0.747364       -0.609772
e   0.43562        Incl.   11.691       -0.104104       -0.284761
P   9.86
From 30 observations 2004 Apr. 19-24.

Ephemeris:
    P/2004 H2 (Larsen)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2004 04 15    16 16.48   -03 40.2    1.752    2.595   139.2    14.6  18.9
2004 04 25    16 14.45   -03 00.8    1.689    2.597   147.9    11.9  18.8
2004 05 05    16 10.40   -02 29.5    1.648    2.600   155.8     9.2  18.7
2004 05 15    16 04.92   -02 10.8    1.629    2.606   161.0     7.2  18.7
2004 05 25    15 58.81   -02 08.3    1.634    2.613   161.0     7.2  18.7
2004 06 04    15 52.98   -02 24.0    1.664    2.622   155.8     9.1  18.8
2004 06 14    15 48.24   -02 57.3    1.716    2.633   148.0    11.8  18.9
2004 06 24    15 45.19   -03 46.5    1.789    2.646   139.5    14.5  19.0

Brian G. Marsden             (C) Copyright 2004 MPC           M.P.E.C. 2004-H65

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