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  • MPEC 2013-M14 : 2012 AU10

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    M.P.E.C. 2013-M14                                Issued 2013 June 17, 23:15 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.net/    ISSN 1523-6714
    
                                       2012 AU10
    
                               Revision to MPEC 2012-A57
    
    Additional Observations:
         K12A10U KC2013 06 09.70159 23 26 12.91 -11 18 31.0          21.1 VoEM014474
         K12A10U KC2013 06 09.70872 23 26 13.82 -11 18 35.0          21.2 VoEM014474
         K12A10U KC2013 06 09.71443 23 26 14.52 -11 18 39.2          21.2 VoEM014474
         K12A10U |C2013 06 15.31217 23 38 14.12 -12 21 24.5          21.5 VuEM014807
         K12A10U |C2013 06 15.31886 23 38 14.96 -12 21 29.5          21.3 VuEM014807
         K12A10U |C2013 06 15.32543 23 38 15.82 -12 21 34.5          21.4 VuEM014807
    
    Observer details:
    474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore,
        P. M. Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
    807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.41-m f/11
        Ritchey-Chretien + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    130609 474 23.3-  3.5+    130615 807 24.5-  2.5+    MPO232606   +0.016 day
    
    Orbital elements:
    2012 AU10                                                Earth MOID = 0.2521 AU
    Epoch 2013 Apr. 18.0 TT = JDT 2456400.5                 MPC
    M 252.60070              (2000.0)            P               Q
    n   0.46170602     Peri.  307.42568     +0.15220092     -0.84346013
    a   1.6579027      Node   125.26297     +0.98093395     +0.19264724
    e   0.3159701      Incl.   39.12042     -0.12084477     +0.50145993
    P   2.13           H   18.0           G   0.15           U   2
    Residuals in seconds of arc
    120111 G96  0.3-  0.2+    120113 291  0.1-  0.3+    120129 703  0.8-  0.1+
    120111 G96  0.1-  0.1+    120113 595  0.6-  0.4-    120216 300  0.6+  0.5-
    120111 G96  0.0   0.0     120113 595  0.5+  0.8-    120216 300  0.2+  1.0-
    120111 G96  0.3-  0.1+    120114 J95  0.1-  0.1-    120216 300  0.4+  0.4-
    120111 G96  0.2+  0.2-    120114 J95  0.1-  0.0     120216 300  0.2+  0.6-
    120111 G96  0.1+  0.1-    120114 J95  0.2+  0.0     120310 H21  0.2+  0.2+
    120111 G96  0.5+  0.2+    120116 H21  0.6+  0.9+    120310 H21  0.1-  0.3+
    120111 G96  0.2-  0.0     120116 H21  0.8+  0.1+    120310 H21  0.0   0.2+
    120112 204  0.1-  0.2-    120119 448  0.0   0.2-    120311 H21  0.1+  0.2+
    120112 204  0.2-  0.3-    120119 448  0.2+  0.3-    120311 H21  0.0   0.2+
    120112 204  0.1-  0.2-    120119 448  0.7+  0.5+    120311 H21  0.1+  0.4+
    120112 807  0.1+  0.2-    120120 448  0.0   0.5-    120407 H21  0.1-  0.1+
    120112 807  0.3-  0.3-    120120 448  0.0   0.1+    120407 H21  0.0   0.1-
    120112 807  0.2-  0.0     120120 448  0.2+  0.1+    120407 H21  0.0   0.1-
    120113 807  0.2-  0.1-    120122 807  0.2+  0.3-    120511 H21  0.2-  0.1-
    120113 807  0.1+  0.3+    120122 807  0.3+  0.3+    120511 H21  0.0   0.3-
    120113 807  0.0   0.2+    120122 807  0.1+  0.2+    130609 474  0.4-  0.4+
    120113 807  0.1-  0.3+    120122 807  0.1+  0.4+    130609 474  0.2-  0.7+
    120113 697  0.0   0.2+    120127 448  0.6-  0.3-    130609 474  0.4-  0.0
    120113 697  0.0   0.1+    120127 448  0.7-  0.2-    130615 807  0.5+  0.1-
    120113 697  0.2-  0.0     120127 448  0.4-  0.0     130615 807  0.1+  0.1-
    120113 291  0.3-  0.2+    120129 703  0.1+  0.7+    130615 807  0.4+  0.2-
    120113 697  0.2-  0.3-    120129 703  0.1+  0.2-
    120113 291  0.1-  0.0     120129 703  0.0   0.9+
    
    Ephemeris:
    2012 AU10                a,e,i = 1.66, 0.32, 39                  q = 1.1341
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2013 05 18    22 40 19.3 -08 48 22   1.7488  1.8414    78.7    32.6    21.9
    ...
    2013 06 02    23 10 12.8 -10 11 01   1.5269  1.7862    86.9    34.5    21.6
    ...
    2013 06 10    23 26 50.5 -11 21 36   1.4109  1.7554    91.2    35.3    21.4
    ...
    2013 06 16    23 39 43.5 -12 30 02   1.3262  1.7316    94.4    35.8    21.3
    2013 06 17    23 41 54.8 -12 42 53   1.3123  1.7276    95.0    35.9    21.2
    2013 06 18    23 44 06.8 -12 56 10   1.2985  1.7236    95.5    35.9    21.2
    ...
    2013 06 24    23 57 35.9 -14 25 38   1.2176  1.6992    98.6    36.3    21.1
    ...
    2013 07 02    00 16 27.7 -16 53 42   1.1156  1.6659   102.7    36.5    20.8
    ...
    2013 07 17    00 55 17.6 -23 14 19   0.9486  1.6018   109.2    36.8    20.4
    
    A. U. Tomatic                (C) Copyright 2013 MPC           M.P.E.C. 2013-M14
    

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