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Minor Planet Center

MPEC 2010-Q46 : 2007 VC138

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M.P.E.C. 2010-Q46                                Issued 2010 Aug. 31, 23:12 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.minorplanetcenter.org/iau/mpc.html  ISSN 1523-6714

                                  2007 VC138

                           Revision to MPEC 2007-V84

Additional Observations:
     K07VD8C KC2010 08 30.93803 19 27 07.00 +56 38 47.7                 EQ046J95
     K07VD8C KC2010 08 30.94269 19 27 06.44 +56 38 48.7                 EQ046J95
     K07VD8C KC2010 08 30.94741 19 27 06.06 +56 38 50.4          20.4 R EQ046J95
     K07VD8C KC2010 08 31.86608 19 25 36.02 +56 44 38.8                 EQ046J95
     K07VD8C KC2010 08 31.87454 19 25 35.15 +56 44 41.2                 EQ046J95
     K07VD8C KC2010 08 31.88306 19 25 34.20 +56 44 43.9                 EQ046J95

Observer details:
J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
    + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
100830 J95 14.9- 19.6-    100831 J95 15.7- 20.9-    MPO133549   +0.0043 day

Orbital elements:
2007 VC138                                               Earth MOID = 0.0830 AU
Epoch 2010 July 23.0 TT = JDT 2455400.5                 MPC
M 325.39400              (2000.0)            P               Q
n   0.32023720     Peri.  167.30129     +0.75052541     -0.54097600
a   2.1158662      Node   232.17531     +0.55649920     +0.82713209
e   0.4972785      Incl.   28.71850     +0.35639901     -0.15230715
P   3.08           H   19.3           G   0.15           U   2
Residuals in seconds of arc
071109 703  0.5+  1.2+    071110 G96  0.3-  0.3-    071118 448  0.2-  0.2-
071109 703  0.1-  1.2+    071110 G96  0.3-  0.1-    071118 689  0.2+  0.6+
071109 703  0.0   0.5+    071110 G96  0.0   0.0     071231 474  0.3+  0.1+
071109 703  0.5+  1.2+    071110 474  0.8-  0.2+    071231 474  0.6+  1.2-
071109 474  0.9-  0.8+    071110 474  0.5-  0.7-    071231 474  0.2+  0.0
071109 474  0.8-  0.9-    071110 474  0.2-  0.1-    080207 474  0.6+  0.4+
071109 474  0.7+  0.3+    071111 682  0.4+  1.5-    080207 474  0.2+  0.0
071110 H55  0.0   0.3-    071111 G96  0.1-  0.2-    080207 474  1.3+  0.3+
071110 H55  0.3-  0.4+    071111 G96  0.9-  0.2+    080207 474  1.5+  0.5+
071110 H55  1.0-  0.3-    071111 682  0.2-  2.0-    100830 J95  0.3+  0.5+
071110 H55  0.0   0.2+    071111 G96  0.5-  0.1-    100830 J95  0.3-  0.3-
071110 711  0.5+  0.9+    071118 448  0.4-  0.6+    100830 J95  0.7+  0.3-
071110 711  0.0   0.7+    071118 448  0.6-  0.0     100831 J95  0.2-  0.7+
071110 711  1.3+  0.2-    071118 689  0.0   0.2-    100831 J95  0.1-  0.0
071110 G96  0.2-  0.1-    071118 689  0.1+  0.4-    100831 J95  0.7-  0.3-

Ephemeris:
2007 VC138               a,e,i = 2.12, 0.50, 29                  q = 1.0637
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2010 09 01    19 25.38   +56 45.4    0.634    1.312   103.6    48.4    20.7
2010 09 11    19 11.75   +57 21.1    0.578    1.253   101.0    52.1    20.5
2010 09 21    19 04.87   +57 18.6    0.517    1.199    99.0    55.8    20.3
2010 10 01    19 06.73   +56 49.4    0.449    1.152    97.8    59.5    20.0
2010 10 11    19 20.07   +55 54.4    0.374    1.113    97.9    62.7    19.6
2010 10 21    19 50.28   +54 12.9    0.293    1.085    99.8    64.8    19.1
2010 10 31    20 48.48   +49 59.8    0.211    1.068   105.2    63.8    18.3
2010 11 10    22 29.70   +36 07.0    0.141    1.064   118.0    55.3    17.2
2010 11 20    00 34.23   +02 05.6    0.122    1.073   131.3    43.8    16.6
2010 11 30    02 06.87   -24 05.3    0.177    1.094   123.6    48.6    17.6
2010 12 10    03 02.09   -33 19.0    0.263    1.127   116.5    51.5    18.6
2010 12 20    03 36.74   -35 56.3    0.357    1.169   112.7    50.9    19.3
2010 12 30    04 01.34   -35 55.8    0.453    1.219   110.6    49.0    19.8
2011 01 09    04 21.21   -34 35.7    0.550    1.275   109.3    46.7    20.3
2011 01 19    04 39.12   -32 30.5    0.647    1.336   108.2    44.4    20.7
2011 01 29    04 56.34   -29 59.0    0.746    1.400   107.1    42.3    21.0
2011 02 08    05 13.62   -27 13.2    0.848    1.466   105.8    40.3    21.4
2011 02 18    05 31.28   -24 23.1    0.953    1.533   104.3    38.7    21.7
2011 02 28    05 49.40   -21 36.4    1.063    1.601   102.4    37.2    22.0

Gareth V. Williams           (C) Copyright 2010 MPC           M.P.E.C. 2010-Q46

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