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  • MPEC 2015-V40 : 2013 AF4

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    M.P.E.C. 2015-V40                                Issued 2015 Nov. 5, 03:39 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  They are published
        on behalf of Division F 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 https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                       2013 AF4
    
                               Revision to MPEC 2013-A28
    
    Additional Observations:
         K13A04F 2C2015 10 15.52761603 45 39.089+01 57 00.56         23.7 RtEV040568
         K13A04F 2C2015 10 15.53920603 45 38.492+01 56 55.33         23.5 RtEV040568
         K13A04F 2C2015 11 03.41997103 21 06.300-00 07 41.63         22.7 RtEV040568
         K13A04F 2C2015 11 03.42877103 21 05.310-00 07 44.18         22.7 RtEV040568
    
    Observer details:
    568 Mauna Kea.  Observer Y. Ramanjooloo.  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
    151015 568  2.1-  0.8-    151103 568  2.6-  0.7-    MPO273981   +0.00063 day
    
    Orbital elements:
    2013 AF4                                                 Earth MOID = 0.1692 AU
    Epoch 2016 Jan. 13.0 TT = JDT 2457400.5                 MPC
    M 280.03121              (2000.0)            P               Q
    n   0.63242817     Peri.   86.46389     -0.98942118     +0.04958811
    a   1.3441939      Node    96.34522     -0.09846848     -0.91968586
    e   0.1886827      Incl.    7.88433     +0.10653494     -0.38951116
    P   1.56           H   22.7           G   0.15           U   1
    Residuals in seconds of arc
    130103 G96  0.6+  0.2-    130107 G96  0.3-  0.1-    130208 291  0.0   0.4+
    130103 G96  0.2-  0.7-    130107 G96  0.1-  0.2-    130208 291  0.3+  0.2-
    130103 G96  0.0   0.1+    130107 G96  0.6-  1.0+    130314 H21  0.4-  0.4-
    130103 G96  0.2+  0.2+    130107 G96  0.0   0.3-    130314 H21  0.2+  0.6-
    130103 G96  0.5+  0.1+    130108 H21  0.4+  0.4-    130314 H21  0.0   0.7-
    130105 291  0.0   0.1+    130108 H21  0.4+  0.1+    130508 H21  0.9+  0.5+
    130105 291  0.1+  0.1-    130108 H21  0.2+  0.4-    130508 H21  0.1+  0.2+
    130105 291  0.1-  0.1+    130108 204  0.3-  0.2-    130508 H21  0.2-  0.1-
    130105 H21  0.3-  0.4-    130109 204  0.0   0.3-    130613 695  0.2-  0.5+
    130105 H21  0.1-  0.2-    130117 291  0.1+  0.2+    130613 695  0.2+  0.0
    130105 H21  1.0-  0.5+    130117 291  0.4-  0.3+    130613 695  0.1-  0.3+
    130106 G96  0.2-  0.5-    130117 291  0.4+  0.2+    151015 568  0.0   0.1-
    130106 G96  0.2+  0.1-    130207 291  0.3-  0.2+    151015 568  0.1-  0.1-
    130106 G96  0.3+  0.2-    130207 291  0.0   0.3+    151103 568  0.0   0.1+
    130106 G96  0.1+  0.1-    130207 291  0.2-  0.0     151103 568  0.0   0.1+
    
    Ephemeris:
    2013 AF4                 a,e,i = 1.34, 0.19, 8                   q = 1.0906
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2015 10 06    03 50 08.0 +03 06 44   0.6909  1.5599   133.8    27.6    24.1
    ...
    2015 10 21    03 40 36.0 +01 16 32   0.5980  1.5386   148.8    19.6    23.5
    ...
    2015 10 29    03 30 04.8 +00 22 11   0.5618  1.5254   156.6    15.0    23.2
    ...
    2015 11 04    03 20 04.1 -00 10 19   0.5420  1.5147   161.0    12.3    23.0
    2015 11 05    03 18 15.5 -00 14 44   0.5394  1.5128   161.5    12.0    23.0
    2015 11 06    03 16 24.9 -00 18 49   0.5369  1.5110   161.9    11.8    23.0
    ...
    2015 11 12    03 04 50.8 -00 35 28   0.5264  1.4994   161.9    11.8    22.9
    ...
    2015 11 20    02 49 07.5 -00 33 15   0.5235  1.4830   156.5    15.4    23.0
    ...
    2015 12 05    02 24 36.0 +00 51 23   0.5482  1.4493   140.1    25.9    23.4
    
    A. U. Tomatic                (C) Copyright 2015 MPC           M.P.E.C. 2015-V40
    

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