• Processing (Info)

    • MPEC 2007-T38 : COMET P/2007 R1 (LARSON)

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    Read MPEC 2007-T37 Read MPEC 2007-T39 

    M.P.E.C. 2007-T38                                Issued 2007 Oct.  9, 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 R1 (LARSON)

Observations:
    PK07R010  C2007 10 04.28472 23 57 36.52 -00 18 15.4          17.7 T ET038673
    PK07R010  C2007 10 04.29051 23 57 36.35 -00 18 17.2                 ET038673
    PK07R010  C2007 10 04.29861 23 57 36.13 -00 18 19.5                 ET038673
    PK07R010  C2007 10 04.30347 23 57 36.00 -00 18 20.6                 ET038673
    PK07R010  C2007 10 05.96387 23 56 52.71 -00 25 22.2          19.1 N ET038J46
    PK07R010  C2007 10 06.20254 23 56 46.51 -00 26 22.4          19.6 T ET038704
    PK07R010  C2007 10 06.21339 23 56 46.24 -00 26 26.8          20.5 T ET038704
    PK07R010  C2007 10 06.22433 23 56 45.99 -00 26 27.8          20.6 T ET038704
    PK07R010  C2007 10 06.23516 23 56 45.68 -00 26 31.2          20.3 T ET038704
    PK07R010  C2007 10 06.24600 23 56 45.18 -00 26 34.7          20.2 T ET038704
    PK07R010  C2007 10 07.86329 23 56 04.11 -00 33 19.2                 ET038246
    PK07R010  C2007 10 07.86392 23 56 04.09 -00 33 19.5                 ET038246
    PK07R010  C2007 10 07.86477 23 56 04.09 -00 33 19.6                 ET038246
    PK07R010  C2007 10 07.86559 23 56 04.06 -00 33 19.6                 ET038246
    PK07R010  C2007 10 07.86868 23 56 04.00 -00 33 19.9                 ET038246

Observer details:
246 Klet Observatory-KLENOT.  Observers J. Ticha, M. Tichy.  Measurer M. Tichy.
    1.06-m KLENOT Telescope + CCD.
673 Table Mountain Observatory, Wrightwood.  Observer J. Young.  0.61-m f/16
    Cassegrain + CCD.
704 Lincoln Laboratory ETS, New Mexico.  Observers M. Bezpalko, D. Torres,
    R. Kracke, G. Spitz, J. Kistler.  Measurers J. Stuart, S. Scruggs.  1.0-m
    f/2.15 reflector + CCD.
J46 Observatorio Montana Blanca, Tias.  Observer C. Piret.  0.20-m
    Schmidt-Cassegrain + CCD.

Orbital elements:
    P/2007 R1 (Larson)
T 2007 Aug. 25.121 TT                                   MPC
q   4.36187              (2000.0)            P               Q
n   0.066870       Peri.  175.330       +0.998599       +0.052758
a   6.01150        Node   181.661       -0.051901       +0.962109
e   0.27441        Incl.    7.916       -0.010281       +0.267512
P  14.7
From 87 observations 2007 Sept. 4-Oct. 7.

Ephemeris:
    P/2007 R1 (Larson)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2007 10 07    23 56.43   -00 29.7    3.390    4.366   165.7     3.2  17.1
2007 10 17    23 52.52   -01 09.0    3.446    4.368   154.7     5.6  17.1
2007 10 27    23 49.50   -01 41.7    3.528    4.370   143.8     7.7  17.1
2007 11 06    23 47.64   -02 06.0    3.634    4.373   133.2     9.5  17.2
2007 11 16    23 47.09   -02 20.7    3.759    4.376   123.0    10.9  17.3
2007 11 26    23 47.94   -02 25.4    3.899    4.380   113.0    12.0  17.4

     Further observations of this comet are desirable.

Brian G. Marsden             (C) Copyright 2007 MPC           M.P.E.C. 2007-T38

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    MPEC number:

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