MPEC 2003-J02 : COMET C/2003 H3 (NEAT)

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M.P.E.C. 2003-J02                                Issued 2003 May 1, 15:00 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://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714

                            COMET C/2003 H3 (NEAT)

Observations:
    CK03H030  C2003 04 30.45200 19 43 46.25 -14 40 20.7          17.2 T      608
    CK03H030  C2003 04 30.46234 19 43 46.46 -14 40 09.6          17.1 T      608
    CK03H030  C2003 04 30.47269 19 43 46.69 -14 39 59.4          16.9 T      608
    CK03H030  C2003 05 01.06653 19 44 00.43 -14 30 06.6          17.3 T      J87
    CK03H030  C2003 05 01.06786 19 44 00.45 -14 30 06.1          17.0 T      J87
    CK03H030  C2003 05 01.06976 19 44 00.55 -14 30 04.2          17.6 T      J87
    CK03H030  C2003 05 01.07503 19 44 00.62 -14 29 59.4          17.4 T      J87
    CK03H030  C2003 05 01.07718 19 44 00.62 -14 29 58.5          16.5 T      J87
    CK03H030  C2003 05 01.35731 19 44 06.84 -14 25 15.2          16.6 T      854
    CK03H030  C2003 05 01.35914 19 44 06.94 -14 25 13.5          16.7 T      854
    CK03H030  C2003 05 01.36095 19 44 07.01 -14 25 11.2          16.6 T      854
    CK03H030  C2003 05 01.36275 19 44 07.04 -14 25 09.6          16.7 T      854
    CK03H030  C2003 05 01.36455 19 44 07.09 -14 25 08.0          16.6 T      854
    CK03H030  C2003 05 01.39063 19 44 07.67 -14 24 41.4          17.5 T      673
    CK03H030  C2003 05 01.39410 19 44 07.75 -14 24 38.0          17.5 T      673
    CK03H030  C2003 05 01.39757 19 44 07.84 -14 24 34.7          17.5 T      673
    CK03H030  C2003 05 01.41146 19 44 08.12 -14 24 20.4          17.5 T      673
    CK03H030  C2003 05 01.42234 19 44 08.37 -14 24 09.1          17.5 T      673
    CK03H030  C2003 05 01.44618 19 44 08.89 -14 23 45.4          17.5 T      673
    CK03H030  C2003 05 01.46098 19 44 09.13 -14 23 31.1          15.7 T      926
    CK03H030  C2003 05 01.46848 19 44 09.28 -14 23 23.4          15.4 T      926
    CK03H030  C2003 05 01.47593 19 44 09.41 -14 23 16.5          15.7 T      926
    CK03H030  C2003 05 01.47963 19 44 09.59 -14 23 11.9          17.5 T      673
    CK03H030  C2003 05 01.48704 19 44 09.74 -14 23 05.2          17.5 T      673

Observer details:
608 Haleakala-NEAT/MSSS.  Observers S. Pravdo, M. Hicks, K. Lawrence,
    P. Kervin, J. Africano, R. Maeda.  1.2-m reflector + CCD.
673 Table Mountain Observatory, Wrightwood.  Observer J. Young.  0.6-m
    reflector + CCD.
854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.30-m f/10.0
    Schmidt-Cassegrain + CCD.
926 Tenagra II Observatory.  Observers P. R. Holvorcem, M. Schwartz.  0.36-m
    f/11 Schmidt-Cassegrain + CCD.
J87 La Canada.  Observer J. Lacruz.  0.30-m f/3.3 Schmidt-Cassegrain + CCD.

Orbital elements:
    C/2003 H3 (NEAT)
T 2003 Oct. 27.074 TT                                   MPC
q   1.75468              (2000.0)            P               Q
                   Peri.   82.997       +0.606933       +0.063527
                   Node   270.627       -0.418564       +0.872907
e   1.0            Incl.   52.397       +0.675601       +0.483733
From 24 observations 2003 Apr. 30-May 1.

Ephemeris:
    C/2003 H3 (NEAT)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2003 05 01    19 43.98   -14 31.2    2.390    2.821   104.8    20.2  15.9
2003 05 11    19 46.71   -11 32.0    2.174    2.732   113.0    19.9  15.6
2003 05 21    19 47.08   -08 05.8    1.972    2.645   121.4    19.1  15.2
2003 05 31    19 44.70   -04 09.5    1.790    2.559   129.6    17.8  14.8
2003 06 10    19 39.20   +00 17.5    1.632    2.474   137.1    16.2  14.5
2003 06 20    19 30.38   +05 11.7    1.503    2.392   142.7    14.9  14.2
2003 06 30    19 18.30   +10 22.0    1.406    2.312   144.7    14.7  13.9
2003 07 10    19 03.51   +15 29.8    1.344    2.235   142.1    16.2  13.6
2003 07 20    18 47.15   +20 13.6    1.314    2.161   135.7    19.2  13.4
2003 07 30    18 30.78   +24 15.1    1.313    2.092   127.5    22.7  13.3

Brian G. Marsden             (C) Copyright 2003 MPC           M.P.E.C. 2003-J02

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