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  • MPEC 2010-A03 : 2007 TD71

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    M.P.E.C. 2010-A03                                Issued 2010 Jan. 2, 17:58 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
    
                                       2007 TD71
    
                              Revision to MPEC 2007-T118
    
    Additional Observations:
         K07T71D 2C2009 11 09.63061212 23 38.464+50 02 40.99         21.5 R EA003568
         K07T71D 2C2009 11 09.63822712 23 40.484+50 02 39.09         21.4 R EA003568
         K07T71D 2C2009 12 09.63205914 26 12.611+46 13 30.58         21.2 R EA003568
         K07T71D 2C2009 12 09.63476014 26 13.202+46 13 29.08         21.3 R EA003568
    
    Observer details:
    568 Mauna Kea.  Observers M. Micheli, G. T. Elliott, D. J. Tholen.  Measurer
        D. J. Tholen.  2.24-m University of Hawaii reflector.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    091109 568  3.5-  5.8+    091209 568  1.1-  8.7+    MPO133540   +0.0068 day
    
    Orbital elements:
    2007 TD71                                           PHA, Earth MOID = 0.0297 AU
    Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
    M 259.55848              (2000.0)            P               Q
    n   0.67554515     Peri.  220.73073     -0.16997978     +0.79571072
    a   1.2863717      Node    49.60803     -0.58205127     +0.39495735
    e   0.2795168      Incl.   49.75416     -0.79518752     -0.45918749
    P   1.46           H   18.5           G   0.15           U   3
    Residuals in seconds of arc
    071013 E12  0.3-  1.1-    071020 E12  0.0   0.1-    071130 H55  0.0   0.2+
    071013 E12  0.2-  0.5+    071021 E12  0.1+  0.0     071214 291  0.1-  0.3+
    071013 E12  0.1+  0.7+    071022 E12  0.1+  0.3-    071214 291  0.1+  0.2-
    071013 E12  1.3-  0.0     071027 E12  0.0   0.1-    071214 291  0.1+  0.1+
    071013 E12  0.1-  0.0     071027 E12  0.1-  0.4+    071226 H55  0.4-  0.3+
    071014 474  0.5+  0.5-    071102 D21  0.5+  0.2-    071226 H55  0.4+  0.4-
    071014 474  0.1+  0.4-    071102 D21  0.1-  0.9+    071226 H55  0.9+  0.3+
    071014 474  0.3-  0.1-    071104 E12  0.0   0.1-    071228 291  0.1+  0.4-
    071014 474  1.0-  0.3+    071108 E12  0.2+  0.3+    071228 291  0.2+  0.2-
    071014 E12  0.1+  0.3-    071109 E12  0.1+  0.1+    071228 291  0.3+  0.0
    071014 E12  0.1+  0.1-    071118 I09  0.7-  0.2-    080125 H55  0.3+  1.3+
    071015 I77  0.1-  0.1-    071118 I09 (0.2+  2.1-)   080125 H55  0.2+  0.9+
    071015 I77  0.3-  0.0     071118 I09  0.7-  1.5+    080125 H55  0.4+  0.1+
    071015 E12  0.3+  0.5-    071118 I09  0.8+  0.5-    080125 H55  0.1+  0.6-
    071018 E12  0.1-  0.1-    071118 E12  0.2+  0.2-    091109 568  0.0   0.0
    071018 E12  0.2-  0.1-    071122 E12  0.1+  0.1-    091109 568  0.1+  0.0
    071019 E12  0.1+  0.2-    071130 H55  0.2-  0.3+    091209 568  0.0   0.0
    071019 E12  0.5+  0.2-    071130 H55  0.2-  0.2-    091209 568  0.0   0.0
    
    Ephemeris:
    2007 TD71                a,e,i = 1.29, 0.28, 50                  q = 0.9268
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2009 12 25    15 18.83   +43 40.3    1.314    1.471    78.2    40.9    21.5
    2010 01 04    15 49.19   +42 02.0    1.271    1.438    78.1    42.0    21.4
    2010 01 14    16 16.75   +40 29.3    1.224    1.403    78.1    43.3    21.3
    2010 01 24    16 41.75   +39 03.9    1.169    1.365    78.2    44.9    21.2
    2010 02 03    17 04.48   +37 44.9    1.104    1.325    78.4    46.8    21.1
    2010 02 13    17 25.31   +36 30.1    1.029    1.283    79.0    49.1    20.9
    2010 02 23    17 44.61   +35 15.0    0.942    1.240    79.8    51.8    20.7
    2010 03 05    18 02.94   +33 51.2    0.843    1.196    80.9    55.0    20.5
    2010 03 15    18 21.20   +32 06.4    0.731    1.152    82.2    58.8    20.2
    2010 03 25    18 40.82   +29 37.0    0.608    1.108    83.6    63.4    19.9
    2010 04 04    19 04.84   +25 33.0    0.477    1.067    84.6    69.0    19.5
    2010 04 14    19 40.10   +17 50.2    0.344    1.028    84.4    76.2    18.9
    2010 04 24    20 44.41   +00 31.1    0.230    0.993    80.4    86.4    18.3
    2010 05 04    22 58.36   -31 16.0    0.195    0.965    71.6    97.3    18.4
    2010 05 14    01 52.29   -46 30.5    0.275    0.943    68.1    96.2    19.0
    2010 05 24    03 30.10   -45 41.1    0.404    0.930    66.8    89.7    19.5
    2010 06 03    04 16.19   -42 33.9    0.539    0.927    65.1    83.0    19.9
    2010 06 13    04 41.79   -39 28.7    0.667    0.933    63.4    76.8    20.2
    2010 06 23    04 58.53   -36 37.4    0.779    0.948    62.1    71.3    20.3
    2010 07 03    05 10.98   -33 58.3    0.871    0.972    61.4    66.7    20.5
    2010 07 13    05 21.15   -31 30.9    0.940    1.002    61.5    63.1    20.6
    2010 07 23    05 29.82   -29 14.9    0.984    1.038    62.5    60.3    20.7
    2010 08 02    05 37.31   -27 09.4    1.005    1.077    64.5    58.2    20.8
    2010 08 12    05 43.59   -25 13.8    1.001    1.120    67.5    56.8    20.8
    2010 08 22    05 48.32   -23 25.9    0.975    1.163    71.6    55.6    20.8
    2010 09 01    05 51.00   -21 42.1    0.929    1.207    76.9    54.5    20.7
    2010 09 11    05 50.77   -19 57.0    0.866    1.251    83.5    53.1    20.6
    2010 09 21    05 46.28   -18 00.5    0.789    1.294    91.6    50.9    20.4
    2010 10 01    05 35.65   -15 35.8    0.703    1.335   101.7    47.3    20.1
    2010 10 11    05 16.11   -12 16.0    0.617    1.375   114.6    41.3    19.8
    2010 10 21    04 44.52   -07 21.3    0.542    1.412   131.1    32.1    19.3
    2010 10 31    03 59.62   -00 23.7    0.495    1.447   151.4    19.2    18.7
    2010 11 10    03 06.14   +07 51.6    0.493    1.479   170.7     6.2    18.3
    2010 11 20    02 15.49   +15 20.9    0.544    1.509   159.3    13.4    18.8
    2010 11 30    01 36.90   +20 50.3    0.636    1.536   141.4    23.6    19.6
    2010 12 10    01 12.11   +24 38.0    0.756    1.560   126.8    30.4    20.2
    2010 12 20    00 58.70   +27 26.5    0.891    1.581   115.0    34.3    20.7
    2010 12 30    00 53.58   +29 45.5    1.031    1.599   105.1    36.4    21.1
    2011 01 09    00 54.46   +31 51.7    1.172    1.615    96.6    37.2    21.4
    2011 01 19    00 59.78   +33 54.0    1.309    1.627    89.2    37.2    21.6
    2011 01 29    01 08.52   +35 56.4    1.439    1.636    82.6    36.7    21.8
    2011 02 08    01 20.10   +38 01.0    1.561    1.642    76.6    35.8    22.0
    
    Gareth V. Williams           (C) Copyright 2010 MPC           M.P.E.C. 2010-A03
    

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