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  • MPEC 2013-P51 : 2012 DJ4

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    M.P.E.C. 2013-P51                                Issued 2013 Aug.  9, 12:11 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 DJ4
    
                               Revision to MPEC 2012-D33
    
    Additional Observations:
         K12D04J 2C2013 07 15.41963919 23 34.346-11 26 50.38         22.0 RtEP051568
         K12D04J 2C2013 07 15.42034319 23 34.286-11 26 50.62         22.2 RtEP051568
         K12D04J 2C2013 07 15.42097019 23 34.231-11 26 50.84         22.1 RtEP051568
         K12D04J 2C2013 08 08.38612718 52 52.025-14 09 53.56         22.8 RtEP051568
         K12D04J 2C2013 08 08.38992218 52 51.784-14 09 55.08         23.4 RtEP051568
         K12D04J 2C2013 08 08.39369418 52 51.536-14 09 56.87         23.1 RtEP051568
    
    Observer details:
    568 Mauna Kea.  Observers F. Nakata, D. J. Tholen.  Measurer D. J. Tholen.
        8.2-m reflector + CCD, 2.24-m University of Hawaii reflector + CCD.
    
    Orbital elements:
    2012 DJ4                                                 Earth MOID = 0.2473 AU
    Epoch 2013 Apr. 18.0 TT = JDT 2456400.5                 MPC
    M 221.70316              (2000.0)            P               Q
    n   0.40973679     Peri.  271.33984     +0.39139509     -0.91846445
    a   1.7952823      Node   155.37598     +0.88922510     +0.36158636
    e   0.3399082      Incl.    7.84324     +0.23683033     +0.16024470
    P   2.41           H   20.4           G   0.15           U   2
    Residuals in seconds of arc
    120119 F51  0.1-  0.1-    120220 B18  0.1+  0.2-    120304 291  0.4+  0.1+
    120119 F51  0.1-  0.0     120221 291  0.0   0.2+    120304 291  0.4-  1.1+
    120119 F51  0.0   0.1-    120221 291  0.0   0.2+    120304 291  0.3+  0.1+
    120119 F51  0.0   0.1-    120221 291  0.3+  0.1+    120312 291  0.1-  0.2+
    120219 691  0.2-  0.1-    120222 807  0.1+  0.4-    120312 291  1.0-  1.0+
    120219 691  0.0   0.3-    120222 807  0.1+  0.0     120312 291 (2.1-  1.0+)
    120219 691  0.4-  0.2+    120222 807  0.3+  0.4-    120314 291  0.1-  0.4+
    120219 291  0.4+  0.1-    120222 807  0.3+  0.2-    120314 291  0.4-  0.2+
    120219 291  0.1+  0.1+    120223 291  0.6+  0.2+    120314 291  0.1+  0.6+
    120219 291  0.6+  0.3-    120223 291  0.3+  0.5+    120324 H21  1.1-  0.9-
    120219 H21  0.6-  0.1+    120224 291  0.1-  0.2-    120324 H21  1.4-  1.2-
    120219 H21  0.3-  0.3+    120224 291  0.1-  0.0     120324 H21  1.3-  1.4-
    120219 H21  0.0   0.3+    120224 291  0.5+  0.1-    120419 291  0.1+  0.6+
    120219 H21  0.2-  0.2+    120225 691  0.7-  0.9-    120419 291  0.0   0.0
    120219 I93  0.6+  0.5+    120225 691  0.3+  0.4-    120419 291  0.3-  0.1+
    120220 I93  0.2+  0.0     120225 691  0.1+  0.2-    130715 568  0.0   0.0
    120220 I93  0.5+  0.7-    120229 G96  0.0   0.2-    130715 568  0.0   0.0
    120220 291  0.1+  0.0     120229 G96  0.6+  0.1-    130715 568  0.0   0.1-
    120220 291  0.3-  0.1+    120229 G96  0.1-  0.2-    130808 568  0.1+  0.0
    120220 291  0.1+  0.4-    120229 G96  0.3-  0.0     130808 568  0.1+  0.1+
    120220 B18  0.7+  0.2-    120303 291 (2.1+  1.0-)   130808 568  0.0   0.0
    120220 B18  0.2+  0.0     120303 291 (4.2+  2.1-)
    
    Ephemeris:
    2012 DJ4                 a,e,i = 1.80, 0.34, 8                   q = 1.1851
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2013 07 10    19 31 00.9 -10 58 36   1.1040  2.1095   168.2     5.6    22.7
    ...
    2013 07 25    19 10 16.1 -12 26 23   1.0688  2.0599   162.4     8.6    22.7
    ...
    2013 08 02    18 59 57.7 -13 22 43   1.0726  2.0320   153.5    12.9    22.8
    ...
    2013 08 08    18 53 15.8 -14 06 57   1.0848  2.0104   146.6    16.1    23.0
    2013 08 09    18 52 15.4 -14 14 23   1.0875  2.0067   145.4    16.7    23.0
    2013 08 10    18 51 17.2 -14 21 49   1.0905  2.0030   144.3    17.2    23.0
    ...
    2013 08 16    18 46 15.2 -15 06 16   1.1119  1.9807   137.5    20.2    23.1
    ...
    2013 08 24    18 41 48.8 -16 04 01   1.1489  1.9501   129.0    23.8    23.3
    ...
    2013 09 08    18 40 52.5 -17 42 47   1.2372  1.8902   114.3    29.1    23.5
    
    Gareth V. Williams           (C) Copyright 2013 MPC           M.P.E.C. 2013-P51
    

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