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  • MPEC 2013-M17 : 2012 XD112

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    M.P.E.C. 2013-M17                                Issued 2013 June 17, 23:26 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 XD112
    
                               Revision to MPEC 2012-X72
    
    Additional Observations:
         K12XB2D KC2013 06 07.43309 22 22 35.26 -11 04 35.8          21.1 RoEM017291
         K12XB2D KC2013 06 07.44466 22 22 35.62 -11 04 37.2          21.3 RoEM017291
         K12XB2D KC2013 06 07.45625 22 22 35.95 -11 04 39.2          21.4 RoEM017291
         K12XB2D KC2013 06 11.43460 22 24 30.03 -11 17 13.6          22.3 RoEM017291
         K12XB2D KC2013 06 11.45634 22 24 30.47 -11 17 18.3                oEM017291
    
    Observer details:
    291 LPL/Spacewatch II.  Observers R. S. McMillan, T. H. Bressi.  1.8-m f/2.7
        reflector + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    130607 291  3.0-  1.0-    130611 291  3.0-  0.3-    MPO252143   -0.00040 day
    
    Orbital elements:
    2012 XD112                                          PHA, Earth MOID = 0.0146 AU
    Epoch 2013 Apr. 18.0 TT = JDT 2456400.5                 MPC
    M  34.52213              (2000.0)            P               Q
    n   0.64761602     Peri.   76.72272     -0.99358274     -0.09308753
    a   1.3230949      Node    97.90845     +0.06099161     -0.91932194
    e   0.3656810      Incl.    3.71921     +0.09525420     -0.38233739
    P   1.52           H   21.2           G   0.15           U   3
    Residuals in seconds of arc
    121210 691  0.1+  0.3-    121212 300  0.1+  0.3-    121224 448  0.4+  0.3-
    121210 691  0.0   0.1+    121213 807  0.2+  0.1-    121224 448  0.1-  0.0
    121210 691  0.0   0.3+    121213 807  0.3+  0.1-    121224 448  0.5+  0.0
    121210 291  0.1+  0.1+    121213 807  0.2+  0.2-    121229 160  1.0-  0.3+
    121210 291  0.1+  0.1+    121213 807  0.3+  0.2-    121229 160 (1.7-  0.4+)
    121210 291  0.1+  0.0     121213 807  0.2+  0.1-    121229 160  0.0   0.1+
    121210 291  0.0   0.0     121214 H21  0.2-  0.1-    121230 118  1.0+  0.2-
    121210 291  0.2-  0.1+    121214 H21  0.1-  0.1-    121230 118  0.7+  0.0
    121210 291  0.2+  0.2+    121214 H21  0.2-  0.1+    121230 118  0.8+  0.2-
    121210 291  0.1-  0.1+    121215 807  0.0   0.1-    121230 160  1.0+  0.8-
    121210 291  0.1-  0.2+    121215 807  0.1-  0.1-    121230 160  0.1+  0.4-
    121210 291  0.1+  0.1+    121215 807  0.1-  0.1-    121230 160  1.2-  0.4+
    121210 291  0.2+  0.2+    121215 807  0.1-  0.1-    121231 160  0.2+  0.0
    121210 291  0.3+  0.4+    121215 807  0.0   0.1-    121231 160  0.0   0.2-
    121210 291  0.2+  1.3+    121216 807  0.2-  0.1-    121231 160  0.0   0.3+
    121211 A24  0.2-  0.5+    121216 807  0.1-  0.2-    130101 160  0.8-  0.6-
    121211 A24  0.4-  0.6+    121216 807  0.2-  0.1-    130101 160  0.1+  0.2-
    121211 A24  0.0   0.0     121216 807  0.3-  0.0     130101 160  0.2+  0.1-
    121211 C23  0.1-  0.1-    121216 807  0.2-  0.1-    130102 H21  0.3-  0.2+
    121211 C23  0.3-  0.0     121217 695  0.2-  0.0     130102 H21  0.4-  0.2+
    121211 C23  0.6+  0.2-    121217 695  0.0   0.0     130102 H21  0.1-  0.2+
    121211 H36  0.3+  0.2+    121217 695  0.0   0.0     130102 H21  0.1-  0.1-
    121211 H36  0.3+  0.2-    121218 H45  1.1-  0.0     130102 H21  0.5-  0.1+
    121211 H36  0.4+  0.4-    121218 H45  0.6-  0.2-    130105 291  0.0   0.0
    121211 H21  0.2+  0.1-    121218 H45  0.1+  0.1-    130105 291  0.2-  0.1+
    121211 H21  0.1+  0.2-    121218 H45  0.1-  0.2-    130105 291  0.1-  0.1-
    121211 H21  0.1+  0.0     121218 H45  0.2-  0.1-    130108 291  0.2-  0.1+
    121211 H21  0.2-  0.2-    121218 H45  0.1-  0.1+    130108 291  0.1+  0.0
    121212 958  0.0   0.3+    121218 H45  0.0   0.1-    130108 291  0.1-  0.0
    121212 958  0.3-  0.5-    121218 H45  0.2+  0.0     130109 695  0.8+  0.3+
    121212 958 (1.1+  1.6-)   121218 291  0.1-  0.1-    130109 695  0.1+  0.1-
    121212 807  0.2+  0.0     121218 291  0.1-  0.1-    130109 695  0.4+  0.0
    121212 807  0.2+  0.0     121218 291  0.2-  0.1-    130109 703  0.2-  0.3-
    121212 807  0.0   0.1+    121219 204  0.1-  0.1-    130109 703  1.0+  0.3+
    121212 807  0.0   0.0     121219 204  0.1-  0.2-    130109 703  0.0   0.1-
    121212 807  0.1+  0.2-    121219 204  0.2-  0.0     130112 703 (2.0-  0.3+)
    121212 H01  0.0   0.0     121220 291  0.0   0.0     130112 703  0.4+  0.2-
    121212 H01  0.1+  0.0     121220 291  0.1-  0.0     130112 703  0.5+  0.2+
    121212 H01  0.2+  0.0     121220 291  0.1+  0.0     130112 703  0.7-  1.4+
    121212 H01  0.1-  0.1-    121221 291  0.1-  0.2+    130607 291  0.2-  0.1+
    121212 291  0.0   0.0     121221 291  0.0   0.0     130607 291  0.1-  0.5+
    121212 291  0.2+  0.0     121221 291  0.1-  0.2+    130607 291  0.3-  0.4+
    121212 291  0.0   0.0     121224 807  0.1-  0.2-    130611 291  0.6-  0.5+
    121212 300  0.6+  0.1+    121224 807  0.0   0.1-    130611 291  0.1+  0.9+
    121212 300  0.8+  0.1-    121224 807  0.4+  0.2-
    121212 300  0.2-  0.6+    121224 448  0.2-  0.3-
    
    Ephemeris:
    2012 XD112               a,e,i = 1.32, 0.37, 4                   q = 0.8393
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2013 05 18    22 01 53.3 -11 08 08   0.6566  1.1905    88.4    58.1    22.8
    ...
    2013 06 02    22 18 45.4 -10 55 11   0.6351  1.2769    98.9    51.7    22.7
    ...
    2013 06 10    22 23 54.0 -11 11 57   0.6175  1.3214   105.4    47.8    22.6
    ...
    2013 06 16    22 25 40.2 -11 38 02   0.6028  1.3538   110.9    44.5    22.5
    2013 06 17    22 25 46.7 -11 43 37   0.6003  1.3591   111.9    43.9    22.4
    2013 06 18    22 25 49.8 -11 49 32   0.5978  1.3644   112.9    43.3    22.4
    ...
    2013 06 24    22 24 56.1 -12 32 48   0.5828  1.3957   119.0    39.5    22.3
    ...
    2013 07 02    22 20 19.1 -13 51 27   0.5646  1.4358   128.2    33.8    22.2
    ...
    2013 07 17    22 00 36.2 -17 14 31   0.5449  1.5059   147.9    21.0    21.8
    
    A. U. Tomatic                (C) Copyright 2013 MPC           M.P.E.C. 2013-M17
    

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