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  • MPEC 2016-D37 : 2013 UG9

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    M.P.E.C. 2016-D37                                Issued 2016 Feb. 22, 04:02 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 UG9
    
                               Revision to MPEC 2013-U87
    
    Additional Observations:
         K13U09G 2C2016 02 09.60118314 37 26.091-21 49 55.18         23.3 RtED037568
         K13U09G 2C2016 02 09.61209114 37 26.507-21 49 58.94         23.5 RtED037568
         K13U09G 2C2016 02 10.54413114 38 03.235-21 55 15.98         23.5 RtED037568
         K13U09G 2C2016 02 10.55360614 38 03.593-21 55 19.21         23.4 RtED037568
    
    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
    160209 568 43.5+ 13.5-    160210 568 43.9+ 13.5-    MPO285783   -0.066 day
    
    Orbital elements:
    2013 UG9                                                 Earth MOID = 0.1183 AU
    Epoch 2016 Jan. 13.0 TT = JDT 2457400.5                 MPC
    M 255.95174              (2000.0)            P               Q
    n   0.30817112     Peri.   35.46942     +0.96246099     +0.26020727
    a   2.1707414      Node   309.26163     -0.26631493     +0.85043382
    e   0.4861870      Incl.    5.72290     -0.05239462     +0.45722478
    P   3.20           H   18.5           G   0.15           U   1
    Residuals in seconds of arc
    131028 703  0.6+  0.9+    131031 673  0.3-  0.1-    131117 448  0.2+  0.3-
    131028 703  0.8+  0.4+    131101 474  0.4-  0.2+    131117 448  0.2+  0.5+
    131028 703  0.7+  0.2-    131101 474  0.1-  0.3+    131117 448  0.5+  0.4+
    131028 703  1.0-  0.2+    131101 474  0.3-  0.1-    131118 926  0.3+  0.1+
    131028 703  0.2+  0.0     131101 474  0.2+  0.0     131118 926  0.1+  0.2+
    131028 703  0.0   0.0     131101 474  0.2-  0.1+    131118 926  0.2+  0.1+
    131028 703  0.2+  0.6+    131102 474  0.1+  0.0     131124 H21  0.3-  0.3-
    131028 G48  0.4-  0.1-    131102 474  0.5+  0.1+    131124 H21  0.1-  0.4-
    131028 G48  0.0   0.3+    131102 474  0.3+  0.2+    131124 H21  0.1+  0.5-
    131028 G48  0.1+  0.3+    131102 474  0.2-  0.1+    131125 H21  0.1-  0.1+
    131028 E10  0.2-  0.3+    131102 474  0.0   0.3+    131125 H21  0.0   0.1-
    131028 E10  0.3+  0.1+    131103 807  0.3-  0.1+    131125 H21  0.2+  0.2+
    131028 807  0.0   0.3+    131103 807  0.1-  0.1+    131125 H21  0.0   0.0
    131029 807  0.2-  0.1+    131103 807  0.2-  0.1+    131127 448  0.9-  0.1+
    131029 807  0.1-  0.0     131103 807  0.2-  0.1+    131127 448  0.2-  0.1+
    131029 807  0.1-  0.0     131103 474  0.3+  0.3+    131127 448  0.1+  0.2-
    131029 807  0.1+  0.1+    131103 474  0.3-  0.0     131201 807  0.2+  0.1-
    131029 H21  0.3-  0.0     131103 474  0.4+  0.0     131201 807  0.1+  0.2-
    131029 H21  0.3-  0.1-    131103 474  0.2-  0.2+    131201 807  0.2+  0.3-
    131029 H21  0.2-  0.0     131103 474  0.1-  0.1+    131201 807  0.1+  0.3-
    131029 113  0.4+  0.4-    131104 807  0.1-  0.0     131201 807  0.4+  0.4-
    131029 113  0.3-  0.0     131104 807  0.1-  0.0     131203 Z62  0.5-  0.4-
    131029 J95  0.4+  0.1-    131104 807  0.1-  0.1+    131203 Z62  0.2+  0.2-
    131029 113  0.2-  0.2+    131104 807  0.0   0.1+    131203 Z62  0.0   0.3-
    131029 J95  0.1+  0.1-    131104 807  0.0   0.1+    131215 204  0.2-  0.4+
    131029 J95  0.2-  0.4+    131106 926  0.1-  0.1+    131215 204  0.4-  0.0
    131030 G96  0.0   0.0     131106 926  0.1-  0.1+    131223 H36  0.2+  0.3+
    131030 926  0.0   0.3+    131106 926  0.1-  0.2+    131223 H36  0.0   0.4+
    131030 G96  0.1-  0.1+    131106 204  0.3-  0.2-    131223 H36  0.4-  0.1+
    131030 926  0.1+  0.3+    131106 204  0.0   0.4-    131223 291  0.1-  0.4+
    131030 G96  0.0   0.2+    131107 703  0.4-  0.1-    131223 291  0.1-  0.3+
    131030 926  0.1-  0.3+    131107 703  0.8-  0.8+    131223 291  0.1-  0.3-
    131030 G96  0.3+  0.5+    131107 703  1.3-  0.5+    131227 291  0.1-  0.3+
    131030 E23 (0.8-  1.6+)   131108 H21  0.2+  0.0     131227 291  0.0   0.1-
    131030 E23 (0.9-  1.6+)   131108 H21  0.4+  0.1-    131227 291  0.0   0.2+
    131030 E23  0.4-  0.3-    131108 H21  0.0   0.1+    140121 291  0.4-  0.0
    131031 G96  0.1-  0.1-    131108 H21  0.3+  0.3-    140121 291  0.2-  0.6+
    131031 G96  0.1-  0.1+    131109 H21  0.3-  0.2-    140121 291  0.3-  0.1+
    131031 G96  0.2-  0.1+    131109 H21  0.1-  0.1-    160209 568  0.0   0.1+
    131031 G58  0.2-  0.1-    131109 H21  0.5-  0.0     160209 568  0.0   0.1+
    131031 G58  0.5-  0.0     131114 H21  0.2+  0.1-    160210 568  0.0   0.1+
    131031 G58  0.0   0.2-    131114 H21  0.3+  0.1+    160210 568  0.0   0.2+
    131031 673  0.3+  0.0     131114 H21  0.1+  0.2-
    
    Ephemeris:
    2013 UG9                 a,e,i = 2.17, 0.49, 6                   q = 1.1154
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2016 01 23    14 23 24.4 -20 01 26   2.7188  2.7617    82.1    20.7    23.9
    ...
    2016 02 07    14 35 39.0 -21 34 51   2.4492  2.7045    94.1    21.3    23.6
    ...
    2016 02 15    14 40 45.2 -22 19 48   2.3058  2.6725   100.8    21.3    23.5
    ...
    2016 02 21    14 43 46.8 -22 50 56   2.1998  2.6479   105.9    21.0    23.4
    2016 02 22    14 44 12.7 -22 55 53   2.1823  2.6437   106.8    21.0    23.3
    2016 02 23    14 44 37.2 -23 00 46   2.1648  2.6396   107.7    20.9    23.3
    ...
    2016 02 29    14 46 35.2 -23 28 31   2.0616  2.6142   113.1    20.4    23.2
    ...
    2016 03 08    14 47 46.3 -24 00 52   1.9286  2.5795   120.6    19.3    23.0
    ...
    2016 03 23    14 44 52.5 -24 42 53   1.7006  2.5116   135.6    16.1    22.5
    
    A. U. Tomatic                (C) Copyright 2016 MPC           M.P.E.C. 2016-D37
    

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