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  • MPEC 2013-Y58 : 2011 AR26

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    M.P.E.C. 2013-Y58                                Issued 2013 Dec. 30, 05:36 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
    
                                       2011 AR26
    
                               Revision to MPEC 2011-A50
    
    Additional Observations:
         K11A26R  C2013 12 28.09367 22 27 58.50 +46 53 55.3          21.0 RoEY058926
         K11A26R  C2013 12 28.09914 22 28 01.42 +46 54 04.1          20.7 RoEY058926
         K11A26R  C2013 12 28.10463 22 28 04.46 +46 54 13.1          20.5 RoEY058926
         K11A26R  C2013 12 30.11843 22 47 09.60 +47 46 51.8          19.4 RoEY058926
         K11A26R  C2013 12 30.12390 22 47 12.74 +47 46 57.6          20.8 RoEY058926
    
    Observer details:
    926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  0.81-m
        f/7 Ritchey-Chretien + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    131228 926 0.02+ 0.08+    131230 926 0.03+ 0.08+    MPO194129   -0.046 day
    
    Orbital elements:
    2011 AR26                                                Earth MOID = 0.1070 AU
    Epoch 2013 Nov. 4.0 TT = JDT 2456600.5                  MPC
    M   4.76790              (2000.0)            P               Q
    n   0.62496113     Peri.   48.25760     +0.94650971     +0.01078191
    a   1.3548796      Node   308.47147     -0.21241476     +0.77316154
    e   0.4042363      Incl.   24.32515     +0.24289780     +0.63411748
    P   1.58           H   20.3           G   0.15           U   3
    Residuals in seconds of arc
    110111 691  0.4+  0.3-    110114 291  0.2-  0.3+    110205 G96  0.4-  0.3-
    110111 691  0.9+  0.2+    110124 291  0.0   0.4-    110205 G96  0.0   0.3-
    110111 691  0.3+  0.1-    110124 291  0.0   0.0     110205 G96  0.3+  0.1-
    110111 H01  0.4+  0.1-    110124 291  1.0-  0.2-    110205 G96  0.1+  0.2-
    110111 H01  0.3+  0.1-    110126 291  0.6-  0.2+    110205 G96  0.1-  0.2-
    110111 H01  0.7+  0.2+    110126 291  0.2-  0.1+    110210 291  0.2+  0.2-
    110111 H01  0.4+  0.0     110126 291  0.6-  0.1+    110210 291  0.3-  0.4-
    110112 J04  0.5+  0.1+    110127 291  0.1+  0.1-    110210 291  0.1-  0.2-
    110112 J04  0.3+  0.2+    110127 291  0.2-  0.7-    110211 291  0.3-  0.2-
    110112 J04  0.5+  0.1-    110127 291  0.2+  0.7+    110211 291  0.2-  0.4-
    110112 291  0.5-  0.1+    110128 G96  0.2-  0.2-    110211 291  0.1+  0.2+
    110112 291  0.6-  0.3+    110128 G96  0.1-  0.1-    110225 291  0.1-  0.2+
    110112 291  1.0-  0.6+    110128 G96  0.3-  0.2-    110225 291  0.1+  0.1+
    110112 300  0.3+  0.5-    110128 G96  0.1-  0.2-    110225 291  0.2+  0.1+
    110112 300  0.0   0.6-    110202 291  0.1-  0.1+    110306 291  0.1-  0.7+
    110112 300  0.2-  0.9+    110202 291  0.5-  0.3+    110306 291  0.3+  0.5+
    110112 300  0.8+  0.1+    110202 291  0.5+  0.1-    110306 291  0.3-  0.3-
    110113 J04  0.0   0.4+    110202 F51  0.4+  0.0     131228 926  0.5+  0.1+
    110113 J04  0.3+  0.0     110202 F51  0.4+  0.0     131228 926  0.4-  0.2-
    110113 J04  0.3+  0.0     110202 F51  0.3+  0.0     131228 926  0.2-  0.4-
    110113 291 (1.7-  0.3-)   110202 F51  0.2+  0.1-    131230 926  0.1-  1.1+
    110113 291  0.6-  0.1-    110205 G96  0.5+  0.2+    131230 926  0.0   0.5-
    110113 291  0.6-  0.2+    110205 G96  0.2-  0.1+
    110114 291  0.7-  0.1+    110205 G96  0.4+  0.2-
    
    Ephemeris:
    2011 AR26                a,e,i = 1.35, 0.40, 24                  q = 0.8072
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2013 11 30    19 31 31.2 +25 04 34   0.5091  0.9006    65.2    83.9    21.5
    ...
    2013 12 15    20 46 14.9 +37 56 14   0.4552  0.9845    76.7    76.6    21.2
    ...
    2013 12 23    21 43 33.6 +43 57 40   0.4402  1.0342    83.9    71.0    21.1
    ...
    2013 12 29    22 36 28.9 +47 18 54   0.4380  1.0727    89.5    66.5    21.0
    2013 12 30    22 46 01.9 +47 44 01   0.4385  1.0792    90.3    65.7    21.0
    2013 12 31    22 55 44.8 +48 06 22   0.4393  1.0857    91.2    64.9    21.0
    ...
    2014 01 06    23 56 06.3 +49 18 27   0.4500  1.1248    96.2    60.4    21.0
    ...
    2014 01 14    01 14 04.5 +48 13 37   0.4806  1.1770   101.4    55.0    21.1
    ...
    2014 01 29    03 04 50.2 +41 29 40   0.5853  1.2731   105.5    48.2    21.5
    
    A. U. Tomatic                (C) Copyright 2013 MPC           M.P.E.C. 2013-Y58
    

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