• Processing (Info)

    • MPEC 2007-L58 : COMET P/2007 H1 (McNAUGHT)

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    M.P.E.C. 2007-L58                                Issued 2007 June 15, 15:10 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 06 11.74102 23 25 51.90 -03 47 33.3                 EL058349
    PK07H010  C2007 06 11.74225 23 25 51.99 -03 47 33.2          15.3 T EL058349
    PK07H010  C2007 06 13.45532 23 28 10.76 -03 41 04.6          14.5 T EL058673
    PK07H010  C2007 06 13.46007 23 28 11.14 -03 41 03.7                 EL058673
    PK07H010  C2007 06 13.46493 23 28 11.53 -03 41 02.5                 EL058673
    PK07H010  C2007 06 13.47060 23 28 11.98 -03 41 01.6                 EL058673
    PK07H010  C2007 06 13.75457 23 28 34.72 -03 39 56.0          15.1 T EL058E12
    PK07H010  C2007 06 13.76311 23 28 35.38 -03 39 54.2                 EL058E12
    PK07H010  C2007 06 13.77165 23 28 36.05 -03 39 52.3                 EL058E12
    PK07H010  C2007 06 13.78027 23 28 36.75 -03 39 50.3                 EL058E12

Observer details:
349 Ageo.  Observer K. Kadota.  0.25-m f/5.0 reflector + CCD.
673 Table Mountain Observatory, Wrightwood.  Observer J. Young.  0.61-m f/16
    Cassegrain + CCD.
E12 Siding Spring Survey.  Observer R. H. McNaught.  0.5-m Uppsala Schmidt
    + CCD.

Orbital elements:
    P/2007 H1 (McNaught)
T 2007 Aug. 17.2912 TT                                  MPC
q   2.282170             (2000.0)            P               Q
n   0.1396699      Peri.  202.4920      +0.9691251      +0.2155112
a   3.679037       Node   144.3863      -0.1830844      +0.9543940
e   0.379683       Incl.   11.8720      -0.1651564      +0.2066085
P   7.06
From 56 observations 2007 Apr. 17-June 13.

Ephemeris:
    P/2007 H1 (McNaught)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2007 06 09    23 22.10   -03 58.5    2.137    2.333    88.0    25.8  15.3
2007 06 19    23 35.43   -03 22.7    2.011    2.320    94.2    25.9  15.2
2007 06 29    23 47.57   -03 00.2    1.890    2.308   100.8    25.6  15.0
2007 07 09    23 58.29   -02 53.7    1.773    2.299   107.9    24.9  14.9
2007 07 19    00 07.29   -03 05.8    1.664    2.291   115.4    23.6  14.7
2007 07 29    00 14.29   -03 38.5    1.564    2.286   123.5    21.7  14.6

     Further observations of this comet are desirable.

Brian G. Marsden             (C) Copyright 2007 MPC           M.P.E.C. 2007-L58

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