MPEC 2007-K30 : COMET P/2007 H1 (McNAUGHT)

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M.P.E.C. 2007-K30                                Issued 2007 May 21, 03:30 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 H1 (McNAUGHT)

Observations:
    PK07H010  C2007 05 13.75076 22 42 48.08 -06 18 03.4                 EK030349
    PK07H010  C2007 05 13.75314 22 42 48.31 -06 18 02.6          15.8 T EK030349
    PK07H010  C2007 05 13.75600 22 42 48.53 -06 17 57.7          16.8 T EK030E12
    PK07H010  C2007 05 19.72870 22 52 12.51 -05 41 57.9                 EK030349
    PK07H010  C2007 05 19.73182 22 52 12.80 -05 41 56.8                 EK030349
    PK07H010  C2007 05 19.73492 22 52 13.09 -05 41 55.9          15.5 T EK030349

Observer details:
349 Ageo.  Observer K. Kadota.  0.25-m f/5.0 reflector + CCD.
E12 Siding Spring Survey.  Observer R. H. McNaught.  0.5-m Uppsala Schmidt
    + CCD.

Orbital elements:
    P/2007 H1 (McNaught)
T 2007 Aug. 15.4697 TT                                  MPC
q   2.288229             (2000.0)            P               Q
n   0.1364762      Peri.  201.8724      +0.9669748      +0.2251156
a   3.736212       Node   144.4396      -0.1925895      +0.9525002
e   0.387554       Incl.   11.8587      -0.1669401      +0.2051008
P   7.22
From 41 observations 2007 Apr. 17-May 19.

Ephemeris:
    P/2007 H1 (McNaught)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2007 05 20    22 52.63   -05 40.3    2.397    2.369    76.2    24.5  15.6
2007 05 30    23 07.77   -04 45.3    2.268    2.352    82.0    25.3  15.5
2007 06 09    23 22.09   -03 58.5    2.141    2.337    88.0    25.7  15.3
2007 06 19    23 35.43   -03 22.6    2.016    2.324    94.2    25.9  15.2
2007 06 29    23 47.56   -03 00.1    1.895    2.313   100.9    25.6  15.0
2007 07 09    23 58.27   -02 53.5    1.778    2.304   107.9    24.8  14.9
2007 07 19    00 07.26   -03 05.5    1.669    2.296   115.4    23.6  14.7
2007 07 29    00 14.26   -03 37.9    1.569    2.292   123.5    21.7  14.6

     Observations of this comet are desirable.

Brian G. Marsden             (C) Copyright 2007 MPC           M.P.E.C. 2007-K30

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