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IAU Minor Planet Center

Minor Planet Center

MPEC 2003-X21 : 2003 XG

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M.P.E.C. 2003-X21                                Issued 2003 Dec. 4, 02:35 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

                                    2003 XG

Observations:
     K03X00G  C2003 11 19.32362 06 29 48.39 +33 37 44.0          18.3        704
     K03X00G  C2003 11 19.33657 06 29 47.72 +33 37 44.2          18.6        704
     K03X00G  C2003 11 19.34952 06 29 47.12 +33 37 44.2          18.3        704
     K03X00G  C2003 11 19.36235 06 29 46.44 +33 37 43.9          18.5        704
     K03X00G  C2003 11 19.37518 06 29 45.87 +33 37 44.1          18.9        704
     K03X00G* C2003 12 03.32294 06 15 20.31 +33 23 33.1          18.0        704
     K03X00G  C2003 12 03.35087 06 15 18.14 +33 23 29.7          18.3        704
     K03X00G  C2003 12 03.36439 06 15 17.09 +33 23 28.0          18.1        704
     K03X00G  C2003 12 03.37719 06 15 16.09 +33 23 26.1          18.1        704
     K03X00G  C2003 12 04.07315 06 14 23.67 +33 21 54.4          17.9 V      A50
     K03X00G  C2003 12 04.07457 06 14 23.58 +33 21 54.1          18.0 V      A50
     K03X00G  C2003 12 04.07601 06 14 23.47 +33 21 54.1          18.0 V      A50
     K03X00G  C2003 12 04.07743 06 14 23.36 +33 21 54.2          18.3 V      A50
     K03X00G  C2003 12 04.08029 06 14 23.14 +33 21 53.7          17.8 V      A50

Observer details:
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, A. Milner.  Measurers J. Stuart, R. Sayer, J. Evans, J. Kommers.
    1.0-m f/2.15 reflector + CCD.
A50 Andrushivka Astronomical Observatory.  Observers O. Gerashchenko, V. Lokot.
    0.6-m reflector + CCD.

Orbital elements:
2003 XG
Epoch 2003 Nov. 17.0 TT = JDT 2452960.5                 MPC
M  23.11731              (2000.0)            P               Q
n   0.17742515     Peri.   52.12099     +0.99420855     -0.04885868
a   3.1366009      Node   310.46661     -0.00181602     +0.88291264
e   0.5359205      Incl.    7.22792     +0.10745260     +0.46698832
P   5.56           H   15.5           G   0.15
From 14 observations 2003 Nov. 19-Dec. 4.

Ephemeris:
2003 XG                  a,e,i = 3.14, 0.54, 7                   q = 1.4556
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2003 11 27    06 22.69   +33 33.4    1.096    2.002   148.0    15.2    18.0
2003 12 07    06 10.64   +33 14.8    1.110    2.063   159.7     9.5    17.9
2003 12 17    05 57.29   +32 39.6    1.148    2.124   169.6     4.8    17.8
2003 12 27    05 44.73   +31 50.2    1.213    2.185   168.4     5.2    18.0
2004 01 06    05 34.71   +30 52.8    1.304    2.247   158.3     9.3    18.5
2004 01 16    05 28.15   +29 54.6    1.419    2.308   147.3    13.3    18.8
2004 01 26    05 25.29   +29 00.8    1.555    2.370   136.8    16.5    19.2
2004 02 05    05 25.91   +28 14.3    1.708    2.431   126.8    18.9    19.6
2004 02 15    05 29.53   +27 35.2    1.876    2.492   117.6    20.6    19.9
2004 02 25    05 35.66   +27 02.6    2.054    2.552   108.9    21.5    20.1
2004 03 06    05 43.84   +26 34.8    2.239    2.612   100.7    21.9    20.4
2004 03 16    05 53.61   +26 10.0    2.429    2.671    92.9    21.8    20.6
2004 03 26    06 04.66   +25 46.6    2.621    2.729    85.4    21.4    20.8
2004 04 05    06 16.67   +25 22.9    2.812    2.787    78.3    20.6    21.0
2004 04 15    06 29.41   +24 57.9    3.001    2.844    71.4    19.5    21.1
2004 04 25    06 42.69   +24 30.6    3.185    2.900    64.6    18.3    21.3

Timothy B. Spahr             (C) Copyright 2003 MPC           M.P.E.C. 2003-X21

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