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  • MPEC 2007-H55 : COMET P/2007 H3 (GARRADD)

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    M.P.E.C. 2007-H55                                Issued 2007 Apr. 25, 12:07 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.
    
                 Prepared using the Tamkin Foundation Computer Network
    
                                  MPC@CFA.HARVARD.EDU
              URL http://www.cfa.harvard.edu/iau/mpc.html  ISSN 1523-6714
    
                               COMET P/2007 H3 (GARRADD)
    
    Observations:
        PK07H030  C2007 03 28.47343 12 09 18.28 -45 59 12.4          18.5 N EH055E12
        PK07H030  C2007 03 28.48344 12 09 17.74 -45 59 12.8          18.8 N EH055E12
        PK07H030  C2007 03 28.49339 12 09 17.20 -45 59 12.6          18.5 N EH055E12
        PK07H030  C2007 03 28.50339 12 09 16.70 -45 59 11.3          18.5 N EH055E12
        PK07H030  C2007 04 22.51406 11 50 44.52 -42 53 06.8          17.4 T EH055E12
        PK07H030  C2007 04 22.52622 11 50 44.19 -42 52 55.5          17.4 T EH055E12
        PK07H030  C2007 04 22.53828 11 50 43.83 -42 52 45.6          17.4 T EH055E12
        PK07H030  C2007 04 22.55034 11 50 43.44 -42 52 35.9          17.3 T EH055E12
        PK07H030  C2007 04 22.61067 11 50 41.72 -42 51 49.6          17.9 T EH055E12
        PK07H030  C2007 04 22.62211 11 50 41.38 -42 51 39.6          17.6 T EH055E12
        PK07H030  C2007 04 22.63344 11 50 41.08 -42 51 30.6                 EH055E12
        PK07H030  C2007 04 22.64488 11 50 40.74 -42 51 21.1                 EH055E12
        PK07H030  C2007 04 23.33258 11 50 23.85 -42 42 18.5          19.0 N EH055F85
        PK07H030  C2007 04 23.34163 11 50 23.56 -42 42 10.5                 EH055F85
        PK07H030  C2007 04 23.37646 11 50 22.61 -42 41 42.8          19.3 T EH055F85
        PK07H030  C2007 04 23.43601 11 50 21.56 -42 40 51.9          17.7 N EH055428
        PK07H030  C2007 04 23.44069 11 50 21.33 -42 40 49.0          17.8 N EH055428
        PK07H030  C2007 04 23.46288 11 50 20.78 -42 40 31.6          17.4 N EH055428
        PK07H030  C2007 04 23.46633 11 50 20.68 -42 40 29.0          17.9 N EH055428
        PK07H030  C2007 04 23.54210 11 50 18.63 -42 39 27.1          18.0 T EH055E12
    
    Observer details:
    428 Reedy Creek.  Observer J. Broughton.  0.51-m f/2.7 reflector + CCD.
    E12 Siding Spring Survey.  Observers R. H. McNaught, G. J. Garradd.  0.5-m
        Uppsala Schmidt + CCD.
    F85 Tiki Observatory, Punaauia.  Observers N. Teamo, S. Hoenig.  Measurer
        S. Hoenig.  0.41-m f/8.0 Ritchey-Chretien + CCD.
    
    Orbital elements:
        P/2007 H3 (Garradd)
    T 2007 Aug. 15.509 TT                                   MPC
    q   1.83355              (2000.0)            P               Q
    n   0.150808       Peri.  349.968       -0.264172       +0.866459
    a   3.49558        Node   263.731       -0.852732       -0.415048
    e   0.47547        Incl.   25.225       -0.450624       +0.277460
    P   6.54
    From 20 observations 2007 Mar. 28-Apr. 23.
    
    Ephemeris:
        P/2007 H3 (Garradd)
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    2007 04 20    11 51.95   -43 24.8    1.225    2.090   139.0    18.4  17.1
    2007 04 30    11 48.54   -41 05.8    1.200    2.052   136.6    19.7  17.0
    2007 05 10    11 49.16   -38 20.7    1.192    2.016   132.5    21.7  16.9
    2007 05 20    11 54.01   -35 23.9    1.200    1.983   127.2    24.0  16.9
    2007 05 30    12 02.84   -32 28.9    1.222    1.953   121.4    26.3  16.8
    2007 06 09    12 15.15   -29 45.8    1.257    1.925   115.4    28.5  16.8
    2007 06 19    12 30.36   -27 20.6    1.304    1.901   109.4    30.3  16.9
    2007 06 29    12 47.94   -25 16.3    1.360    1.880   103.6    31.7  16.9
    
    Brian G. Marsden             (C) Copyright 2007 MPC           M.P.E.C. 2007-H55
    

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