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IAU Minor Planet Center

Minor Planet Center

MPEC 2003-U25 : COMET C/2003 U1 (LINEAR)

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M.P.E.C. 2003-U25                                Issued 2003 Oct. 20, 17:53 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.

         Supported in part by the Steven and Michele Kirsch Foundation
             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 U1 (LINEAR)

Observations:
    CK03U010  C2003 10 19.37824 05 27 58.79 -03 17 53.0          18.2 T      704
    CK03U010  C2003 10 19.39084 05 27 54.79 -03 18 21.5          18.3 T      704
    CK03U010  C2003 10 19.40360 05 27 50.85 -03 18 50.3          18.3 T      704
    CK03U010  C2003 10 19.41544 05 27 47.11 -03 19 16.1          18.3 T      704
    CK03U010  C2003 10 19.42707 05 27 43.47 -03 19 42.5          18.3 T      704
    CK03U010  C2003 10 20.04809 05 24 27.94 -03 43 06.5          18.1 N      J95
    CK03U010  C2003 10 20.06044 05 24 24.05 -03 43 34.6          17.6 N      J95
    CK03U010  C2003 10 20.07580 05 24 19.08 -03 44 10.0          18.3 N      J95
    CK03U010  C2003 10 20.07894 05 24 18.00 -03 44 17.6          17.8 N      J95
    CK03U010  C2003 10 20.08190 05 24 17.09 -03 44 23.6          17.5 N      J95
    CK03U010  C2003 10 20.30892 05 23 04.03 -03 53 03.9          17.6 N      785
    CK03U010  C2003 10 20.32300 05 22 59.68 -03 53 33.9          18.1 T      854
    CK03U010  C2003 10 20.32507 05 22 58.50 -03 53 40.7          17.6 N      785
    CK03U010  C2003 10 20.33619 05 22 55.36 -03 54 04.5          18.3 T      854
    CK03U010  C2003 10 20.33785 05 22 54.60 -03 54 09.6          17.7 N      785
    CK03U010  C2003 10 20.46909 05 22 11.65 -03 59 11.1          17.5 N      926
    CK03U010  C2003 10 20.47034 05 22 11.28 -03 59 14.3          17.4 N      926
    CK03U010  C2003 10 20.47155 05 22 10.91 -03 59 16.6          17.4 N      926
    CK03U010  C2003 10 20.48189 05 22 07.61 -03 59 41.1          17.5 T      673
    CK03U010  C2003 10 20.48281 05 22 07.30 -03 59 43.2                      673
    CK03U010  C2003 10 20.48374 05 22 06.99 -03 59 45.4                      673
    CK03U010  C2003 10 20.48455 05 22 06.74 -03 59 47.2                      673
    CK03U010  C2003 10 20.49682 05 22 02.70 -04 00 15.5                      673
    CK03U010  C2003 10 20.49786 05 22 02.35 -04 00 18.0                      673
    CK03U010  C2003 10 20.50006 05 22 01.62 -04 00 23.0                      673
    CK03U010  C2003 10 20.50110 05 22 01.28 -04 00 25.4                      673

Observer details:
673 Table Mountain Observatory, Wrightwood.  Observer J. Young.  0.6-m
    reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, F. Shelly,
    M. Bezpalko, R. Huber, L. Manguso, D. Torres, R. Kracke, M. McCleary,
    H. Stange.  Measurers J. Stuart, R. Sayer, J. Evans, J. Kommers.  1.0-m
    f/2.15 reflector + CCD.
785 Fitz-Randolph Observatory, Princeton.  Observer J. Maffei.  0.91-m f/13.6
    Cassegrain + 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.  0.81-m
    f/7 Ritchey-Chretien + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.30-m f/6.3 Schmidt-Cassegrain
    + CCD.

Orbital elements:
    C/2003 U1 (LINEAR)
T 2003 Nov. 1.971 TT                                    MPC
q   1.80838              (2000.0)            P               Q
                   Peri.  276.587       +0.681352       +0.712800
                   Node   321.837       +0.731507       -0.655153
e   1.0            Incl.  164.381       +0.025635       -0.250381
From 25 observations 2003 Oct. 19-20.

Ephemeris:
    C/2003 U1 (LINEAR)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2003 10 18    05 34.86   -02 27.6    1.126    1.818   117.7    29.0  17.4
2003 10 23    05 07.59   -05 40.1    1.025    1.813   127.6    25.8  17.1
2003 10 28    04 33.60   -09 16.5    0.948    1.810   137.5    21.8  17.0
2003 11 02    03 53.16   -12 58.7    0.903    1.808   145.2    18.3  16.9
2003 11 07    03 08.50   -16 16.6    0.895    1.810   147.2    17.3  16.8
2003 11 12    02 23.54   -18 42.3    0.926    1.813   142.3    19.5  16.9
2003 11 17    01 42.38   -20 06.0    0.991    1.819   133.4    23.3  17.1
2003 11 22    01 07.47   -20 37.3    1.085    1.826   123.5    26.8  17.3
2003 11 27    00 39.34   -20 33.3    1.198    1.836   114.0    29.4  17.5
2003 12 02    00 17.30   -20 08.9    1.326    1.849   105.2    31.0  17.8
2003 12 07    00 00.24   -19 34.1    1.462    1.863    97.2    31.6  18.0

Brian G. Marsden             (C) Copyright 2003 MPC           M.P.E.C. 2003-U25

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