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MPEC 2003-U12 : 2003 UM3

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M.P.E.C. 2003-U12                                Issued 2003 Oct. 18, 11:09 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 theSteven and Michele Kirsch Foundation             Prepared using theTamkin Foundation Computer Network                              MPC@CFA.HARVARD.EDU          URLhttp://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714                                   2003 UM3Observations:     K03U03M* C2003 10 17.30722 01 16 10.54 +12 25 29.2          21.8 V      691     K03U03M  C2003 10 17.34625 01 16 12.26 +12 25 45.7          21.6 V      691     K03U03M  C2003 10 17.37271 01 16 13.53 +12 25 55.0          21.7 V      691     K03U03M HC2003 10 17.41619 01 16 16.00 +12 26 09.2          21.1 V      291     K03U03M HC2003 10 17.42028 01 16 16.34 +12 26 09.7          21.7 V      291     K03U03M HC2003 10 17.42423 01 16 16.53 +12 26 11.7          21.3 V      291     K03U03M  C2003 10 18.28056 01 17 54.94 +12 31 58.7          21.2 V      291     K03U03M  C2003 10 18.29355 01 17 55.22 +12 32 02.9          21.6 V      291     K03U03M  C2003 10 18.29879 01 17 55.32 +12 32 04.7                      291     K03U03M  C2003 10 18.30719 01 17 55.45 +12 32 08.1          21.8 V      291     K03U03M  C2003 10 18.31131 01 17 55.54 +12 32 09.4          21.9 V      291     K03U03M  C2003 10 18.31780 01 17 55.64 +12 32 10.8                      291Observer details:291 LPL/Spacewatch II.  Observer A. E. Gleason.  1.8-m f/2.7 reflector + CCD.691 Steward Observatory, Kitt Peak.  Observer J. A. Larsen.  0.9-m f/3    reflector + CCD.Orbital elements:2003 UM3Epoch 2003 Oct. 8.0 TT = JDT 2452920.5                  MPCM  29.46149              (2000.0)            P               Qn   0.61281001     Peri.  284.57274     +0.53318454     +0.84596089a   1.3727311      Node    17.65510     -0.76564449     +0.48655579e   0.4412802      Incl.    1.51652     -0.35986492     +0.21820551P   1.61           H   28.1           G   0.15From 12 observations 2003 Oct. 17-18.Ephemeris:2003 UM3                 a,e,i = 1.37, 0.44, 2                   q = 0.7670Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V2003 10 18    01 17.47   +12 31.4    0.044    1.040   175.7     4.1    21.82003 10 19    01 18.86   +12 36.4    0.051    1.048   175.5     4.3    22.12003 10 20    01 19.90   +12 39.9    0.059    1.055   175.1     4.6    22.52003 10 21    01 20.72   +12 42.5    0.067    1.062   174.6     5.1    22.82003 10 22    01 21.38   +12 44.4    0.074    1.069   174.0     5.6    23.02003 10 23    01 21.93   +12 45.9    0.082    1.076   173.4     6.1    23.32003 10 24    01 22.40   +12 47.0    0.089    1.084   172.6     6.8    23.52003 10 25    01 22.82   +12 47.9    0.097    1.091   171.9     7.4    23.82003 10 26    01 23.20   +12 48.6    0.105    1.098   171.1     8.1    24.02003 10 27    01 23.56   +12 49.1    0.113    1.105   170.2     8.8    24.22003 10 28    01 23.89   +12 49.7    0.120    1.112   169.4     9.5    24.4Timothy B. Spahr             (C) Copyright 2003 MPC           M.P.E.C. 2003-U12

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