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IAU Minor Planet Center

Minor Planet Center

MPEC 2004-K41 : COMET P/2004 H3 (LARSEN)

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M.P.E.C. 2004-K41                                Issued 2004 May 22, 20:03 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 H3 (LARSEN)

Observations:
    PK04H030  C2004 05 15.25293 14 35 32.11 -11 06 42.6          20.0 T EK041704
    PK04H030  C2004 05 15.26229 14 35 31.83 -11 06 34.2          19.8 T EK041704
    PK04H030  C2004 05 15.27170 14 35 31.65 -11 06 26.9          20.1 T EK041704
    PK04H030  C2004 05 15.28088 14 35 31.30 -11 06 17.9          20.0 T EK041704
    PK04H030  C2004 05 15.29091 14 35 30.87 -11 06 06.2          19.8 T EK041704
    PK04H030  C2004 05 16.83581 14 34 46.63 -10 43 17.1          18.3 N EK041104
    PK04H030  C2004 05 16.84148 14 34 46.46 -10 43 14.3          18.4 N EK041104
    PK04H030  C2004 05 16.84928 14 34 46.32 -10 43 05.6          18.1 N EK041104
    PK04H030  C2004 05 17.26072 14 34 34.63 -10 37 06.1          19.1 T EK041704
    PK04H030  C2004 05 17.27021 14 34 34.38 -10 36 57.1          19.8 T EK041704
    PK04H030  C2004 05 17.27970 14 34 34.03 -10 36 48.7          19.5 T EK041704
    PK04H030  C2004 05 17.94847 14 34 15.66 -10 27 09.2          18.5 T EK041215
    PK04H030  C2004 05 21.28455 14 32 50.27 -09 40 06.9          19.2 T EK041704
    PK04H030  C2004 05 21.29374 14 32 50.07 -09 39 58.2          19.8 T EK041704
    PK04H030  C2004 05 21.30296 14 32 49.76 -09 39 51.3          19.6 T EK041704
    PK04H030  C2004 05 21.31215 14 32 49.57 -09 39 43.2          19.3 T EK041704
    PK04H030  C2004 05 21.32137 14 32 49.35 -09 39 35.7          19.8 T EK041704

Observer details:
104 San Marcello Pistoiese.  Observers L. Tesi, A. Boattini, M. Tombelli,
    G. Fagioli.  Measurers G. Forti, L. Tesi, A. Boattini, M. Tombelli.
    0.60-m f/4 reflector + CCD.
215 Buchloe.  Observer W. Hasubick.  0.44-m f/4.6 reflector + 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:
    P/2004 H3 (Larsen)
T 2004 Mar. 12.7901 TT                                  MPC
q   2.439436             (2000.0)            P               Q
n   0.1279468      Peri.  346.4655      -0.8728648      +0.4001382
a   3.900465       Node   220.9764      -0.3986100      -0.9148220
e   0.374578       Incl.   25.2072      -0.2814553      +0.0546825
P   7.70
From 74 observations 2004 Apr. 22-May 21.

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    1.485    2.476   165.1     6.0  17.8
2004 05 25    14 31.48   -08 50.6    1.539    2.488   153.7    10.4  17.9
2004 06 04    14 29.16   -06 54.8    1.617    2.502   142.9    14.2  18.0
2004 06 14    14 28.99   -05 26.3    1.715    2.518   132.8    17.2  18.2
2004 06 24    14 31.04   -04 24.6    1.828    2.535   123.5    19.5  18.3
2004 07 04    14 35.22   -03 47.3    1.954    2.554   114.9    21.2  18.5
2004 07 14    14 41.31   -03 30.3    2.088    2.574   106.8    22.2  18.7
2004 07 24    14 49.10   -03 29.9    2.229    2.595    99.3    22.7  18.9

Brian G. Marsden             (C) Copyright 2004 MPC           M.P.E.C. 2004-K41

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