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IAU Minor Planet Center

Minor Planet Center

MPEC 2004-J72 : COMET P/2004 H3 (LARSEN)

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M.P.E.C. 2004-J72                                Issued 2004 May 15, 14:47 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 H3 (LARSEN)

Observations:
    PK04H030  C2004 05 10.37561 14 38 03.77 -12 21 16.3          21.0 T EJ072608
    PK04H030  C2004 05 10.38592 14 38 03.37 -12 21 06.0          20.7 T EJ072608
    PK04H030  C2004 05 10.39651 14 38 03.06 -12 20 56.1          20.3 T EJ072608
    PK04H030  C2004 05 14.58733 14 35 51.85 -11 16 41.3          18.7 T EJ072360
    PK04H030  C2004 05 14.59167 14 35 51.66 -11 16 37.4                 EJ072360
    PK04H030  C2004 05 14.59622 14 35 51.54 -11 16 33.1                 EJ072360
    PK04H030  C2004 05 15.00715 14 35 39.19 -11 10 23.6          18.9 N EJ072J87
    PK04H030  C2004 05 15.01010 14 35 39.21 -11 10 21.2          19.2 N EJ072J87
    PK04H030  C2004 05 15.01304 14 35 39.04 -11 10 18.4          18.9 N EJ072J87

Observer details:
360 Kuma Kogen.  Observer A. Nakamura.  0.60-m f/5.8 Ritchey-Chretien + CCD.
608 Haleakala-NEAT/MSSS.  Observers S. Pravdo, M. Hicks, K. Lawrence,
    D. MacDonald, P. Kervin, J. Africano, R. Maeda.  1.2-m reflector + CCD.
J87 La Canada.  Observer J. Lacruz.  0.30-m f/3.3 Schmidt-Cassegrain + CCD.

Orbital elements:
    P/2004 H3 (Larsen)
T 2004 Mar. 12.8311 TT                                  MPC
q   2.435599             (2000.0)            P               Q
n   0.1284567      Peri.  346.4493      -0.8731135      +0.4002266
a   3.890136       Node   220.9717      -0.3983091      -0.9148701
e   0.373904       Incl.   25.1223      -0.2811098      +0.0532103
P   7.67
From 59 observations 2004 Apr. 22-May 15.

Ephemeris:
    P/2004 H3 (Larsen)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2004 05 15    14 35.66   -11 10.4    1.482    2.472   165.1     6.0  17.8
2004 05 25    14 31.48   -08 50.6    1.536    2.485   153.7    10.4  17.9
2004 06 04    14 29.17   -06 55.0    1.613    2.499   142.9    14.2  18.0
2004 06 14    14 29.01   -05 26.5    1.711    2.514   132.8    17.2  18.2
2004 06 24    14 31.08   -04 25.0    1.824    2.531   123.5    19.6  18.3

Brian G. Marsden             (C) Copyright 2004 MPC           M.P.E.C. 2004-J72

Read MPEC 2004-J71 Read MPEC 2004-J73


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