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Minor Planet Center

MPEC 2008-X16 : 2008 XB

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M.P.E.C. 2008-X16                                Issued 2008 Dec. 1, 17:14 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 XB

Observations:
     K08X00B* C2008 12 01.13432 23 34 18.15 +06 21 01.0          20.5 V EX016G96
     K08X00B  C2008 12 01.14087 23 34 19.84 +06 21 10.9          20.5 V EX016G96
     K08X00B  C2008 12 01.14736 23 34 21.50 +06 21 21.2          20.7 V EX016G96
     K08X00B  C2008 12 01.15389 23 34 23.16 +06 21 31.8          20.4 V EX016G96
     K08X00B  C2008 12 01.18966 23 34 32.26 +06 22 27.9          20.6 V EX016G96
     K08X00B  C2008 12 01.19612 23 34 33.88 +06 22 37.9          20.6 V EX016G96
     K08X00B  C2008 12 01.19766 23 34 34.34 +06 22 41.9          20.8 R EX016651
     K08X00B  C2008 12 01.20058 23 34 35.01 +06 22 46.0          21.0 R EX016651
     K08X00B  C2008 12 01.20268 23 34 35.61 +06 22 48.5          20.5 V EX016G96
     K08X00B  C2008 12 01.20639 23 34 36.54 +06 22 56.2          20.8 R EX016651
     K08X00B  C2008 12 01.20911 23 34 37.27 +06 22 58.4          19.6 V EX016G96

Observer details:
651 Grasslands Observatory, Tucson.  Observer J. E. McGaha.  0.62-m f/5.1
    Newtonian reflector + CCD.
G96 Mt. Lemmon Survey.  Observer E. Beshore.  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 XB                                                  Earth MOID = 0.0551 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5                 MPC
M 359.15777              (2000.0)            P               Q
n   0.52774344     Peri.  122.50430     +0.46813834     -0.88340764
a   1.5165410      Node   299.56842     +0.80245751     +0.43491341
e   0.3152161      Incl.    1.37789     +0.37001140     +0.17447423
P   1.87           H   22.5           G   0.15
From 11 observations 2008 Dec. 1.  E-assumed.

Ephemeris:
2008 XB                  a,e,i = 1.52, 0.32, 1                   q = 1.0385
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2008 11 30    23 29.22   +05 51.6    0.146    1.039   107.0    65.2    20.7
2008 12 10    00 19.77   +10 34.6    0.139    1.042   110.4    62.4    20.5
2008 12 20    01 21.74   +15 31.2    0.140    1.053   116.2    57.0    20.4
2008 12 30    02 29.51   +19 34.6    0.151    1.072   122.7    50.5    20.4
2009 01 09    03 34.40   +22 00.9    0.174    1.099   127.8    45.0    20.6
2009 01 19    04 30.16   +22 59.0    0.209    1.131   130.5    41.4    21.0
2009 01 29    05 15.97   +23 03.5    0.255    1.168   130.8    39.7    21.4
2009 02 08    05 53.96   +22 40.7    0.312    1.209   129.4    39.1    21.9

Timothy B. Spahr             (C) Copyright 2008 MPC           M.P.E.C. 2008-X16

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