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Minor Planet Center

MPEC 2008-U37 : 2008 UD1

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M.P.E.C. 2008-U37                                Issued 2008 Oct. 22, 19:24 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

                                   2008 UD1

Observations:
     K08U01D* C2008 10 21.28896 01 15 55.44 -01 55 00.6          21.2 V EU037G96
     K08U01D  C2008 10 21.29773 01 15 54.61 -01 55 06.9          20.4 V EU037G96
     K08U01D  C2008 10 21.30200 01 15 54.28 -01 55 10.3          20.9 V EU037G96
     K08U01D  C2008 10 21.34983 01 15 49.97 -01 55 42.2                 EU037G96
     K08U01D  C2008 10 21.36026 01 15 48.99 -01 55 49.8                 EU037G96
     K08U01D  C2008 10 22.22976 01 14 33.26 -02 05 29.4          21.9 V EU037G96
     K08U01D  C2008 10 22.23192 01 14 33.03 -02 05 32.0          21.7 V EU037G96
     K08U01D  C2008 10 22.23402 01 14 32.81 -02 05 33.5          21.7 V EU037G96
     K08U01D  C2008 10 22.28637 01 14 28.06 -02 06 07.5          21.8 V EU037291
     K08U01D  C2008 10 22.29052 01 14 27.70 -02 06 09.7          22.6 V EU037291
     K08U01D  C2008 10 22.29222 01 14 27.56 -02 06 11.9          21.9 V EU037G96
     K08U01D HC2008 10 22.29428 01 14 27.30 -02 06 11.6                 EU037291
     K08U01D  C2008 10 22.30229 01 14 26.74 -02 06 19.2                 EU037G96

Observer details:
291 LPL/Spacewatch II.  Observer J. V. Scotti.  1.8-m f/2.7 reflector + CCD.
G96 Mt. Lemmon Survey.  Observer A. R. Gibbs.  Measurers E. C. Beshore,
    A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer, R. E. Hill,
    R. A. Kowalski, S. M. Larson, R. H. McNaught.  1.5-m reflector + CCD.

Orbital elements:
2008 UD1                                                 Earth MOID = 0.1720 AU
Epoch 2008 Oct. 21.0 TT = JDT 2454760.5                 MPC
M 170.23620              (2000.0)            P               Q
n   0.54816689     Peri.   30.04570     -0.90396727     +0.42724746
a   1.4786345      Node   175.14810     -0.42173706     -0.88411439
e   0.5864742      Incl.   11.87198     -0.07057633     -0.18921245
P   1.80           H   18.5           G   0.15
From 13 observations 2008 Oct. 21-22.  E-assumed.

Ephemeris:
2008 UD1                 a,e,i = 1.48, 0.59, 12                  q = 0.6115
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2008 10 21    01 16.35   -01 51.7    1.363    2.341   165.7     6.0    21.5
2008 10 31    01 02.53   -03 32.6    1.414    2.345   153.6    10.9    21.8
2008 11 10    00 51.27   -04 44.9    1.491    2.346   141.1    15.4    22.1
2008 11 20    00 43.31   -05 27.1    1.590    2.343   129.3    19.1    22.3
2008 11 30    00 38.84   -05 41.3    1.704    2.338   118.2    21.8    22.6
2008 12 10    00 37.70   -05 31.5    1.828    2.329   108.1    23.7    22.8
2008 12 20    00 39.52   -05 02.2    1.956    2.318    98.6    24.8    22.9
2008 12 30    00 43.90   -04 17.3    2.085    2.303    89.9    25.3    23.1

Timothy B. Spahr             (C) Copyright 2008 MPC           M.P.E.C. 2008-U37

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