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  • MPEC 2015-S07 : 2011 SY120

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    M.P.E.C. 2015-S07                                Issued 2015 Sept. 16, 13:56 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
    
                                      2011 SY120
    
                               Revision to MPEC 2012-F61
    
    Additional Observations:
         K11SC0Y 2C2015 09 10.54309600 41 42.325-26 42 54.94         23.3 RtES007568
         K11SC0Y 2C2015 09 10.54643600 41 41.395-26 42 50.78         23.1 RtES007568
         K11SC0Y 2C2015 09 15.45501400 17 47.567-24 40 51.81         22.1 RtES007568
         K11SC0Y 2C2015 09 15.45756100 17 46.730-24 40 47.24         22.1 RtES007568
    
    Observer details:
    568 Mauna Kea.  Observers Y. Ramanjooloo, D. J. Tholen.  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
    150910 568 29.8- 40.3-    150915 568 33.1- 41.8-    MPO230280   +0.0072 day
    
    Orbital elements:
    2011 SY120                                               Earth MOID = 0.0507 AU
    Epoch 2015 June 27.0 TT = JDT 2457200.5                 MPC
    M 197.23395              (2000.0)            P               Q
    n   0.73472170     Peri.  115.05162     -0.45768797     -0.88879273
    a   1.2163376      Node     2.58557     +0.49658966     -0.27779530
    e   0.2295901      Incl.   31.92932     +0.73750962     -0.36452333
    P   1.34           H   23.2           G   0.15           U   1
    Residuals in seconds of arc
    110926 G96  0.4-  0.0     111001 H01  0.7-  0.2+    120324 844  0.1+  0.1+
    110926 G96  0.3-  0.2-    111001 H01  0.4-  0.1+    120324 844 (2.1-  1.4-)
    110926 G96  0.7-  0.1-    111002 H21  1.1-  0.2+    120324 844 (1.8-  1.0-)
    110926 G96  0.5-  0.1+    111002 H21  0.3+  0.2+    120324 704  0.7+  0.3+
    110926 G96  0.7+  0.2+    111002 H21  0.1-  0.4+    120324 704  0.5+  0.3-
    110926 G96  0.8-  0.1+    120323 704  0.6+  0.3+    120324 H36  0.3-  0.3-
    110926 291  0.9+  1.1-    120323 704  0.3+  0.3-    120324 H36  0.1-  0.0
    110926 G96  0.6-  0.0     120323 704  0.8+  1.4+    120324 H36  0.2-  0.2-
    110926 291  0.4+  0.5-    120323 704 (0.6+  2.0+)   120324 H36  0.3-  0.4-
    110926 G96  0.7-  0.0     120324 J95  0.1-  0.1-    120324 704  0.4+  0.0
    110926 291  1.5+  1.3-    120324 J95  0.3-  0.2-    120324 704  0.6+  0.3+
    110926 291  1.1-  0.3-    120324 J95  0.0   0.1-    120324 704  0.5+  0.3+
    110926 291  1.3-  1.1+    120324 J95  0.3-  0.3-    120324 704  0.2+  0.3+
    110927 J95  0.3+  0.3-    120324 I39  0.5-  0.1-    120324 704  0.6+  0.2-
    110927 J95  0.7+  1.1+    120324 I39  0.2-  0.9+    120324 704  0.3+  0.1-
    110928 G96  0.2+  0.3-    120324 I39  0.9-  0.3-    120324 704  0.1+  0.1-
    110928 G96  0.4+  0.3-    120324 G48  0.7+  0.4+    120324 704  0.3-  0.2-
    110928 G96 (2.5-  0.7+)   120324 G48  0.3+  0.8+    120325 204  0.2-  0.0
    110928 G96  1.0-  0.2+    120324 G48  0.2-  1.0+    120325 204  0.2-  0.3-
    110929 H01  0.7-  0.2+    120324 G48  0.2-  0.1+    120325 204  0.1+  0.1-
    110929 H01  0.6-  0.0     120324 G48  0.4+  0.5+    150910 568  0.0   0.1-
    110929 H01  0.5-  0.2+    120324 G48  0.2-  0.8+    150910 568  0.0   0.0
    110929 H01  0.3-  0.5+    120324 G48  0.3+  0.1-    150915 568  0.0   0.0
    110929 H01  0.1+  0.4+    120324 G48  0.2+  0.1-    150915 568  0.1-  0.1+
    111001 H01  0.5-  0.0     120324 844  0.3-  0.4-
    111001 H01  0.4-  0.0     120324 844 (2.1+  1.5+)
    
    Ephemeris:
    2011 SY120               a,e,i = 1.22, 0.23, 32                  q = 0.9371
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2015 08 17    01 44 35.4 -29 55 59   0.5819  1.4126   122.4    37.2    24.3
    ...
    2015 09 01    01 16 52.7 -28 52 18   0.4508  1.3767   137.7    29.6    23.5
    ...
    2015 09 09    00 48 26.8 -27 11 59   0.3920  1.3552   147.7    23.4    22.9
    ...
    2015 09 15    00 20 09.5 -24 53 55   0.3567  1.3380   155.2    18.4    22.5
    2015 09 16    00 14 55.8 -24 24 05   0.3517  1.3351   156.3    17.7    22.5
    2015 09 17    00 09 34.8 -23 52 07   0.3471  1.3321   157.2    17.0    22.4
    ...
    2015 09 23    23 35 37.2 -19 54 42   0.3258  1.3139   159.6    15.5    22.2
    ...
    2015 10 01    22 49 47.2 -12 54 31   0.3171  1.2883   151.2    22.0    22.3
    ...
    2015 10 16    21 43 15.8 +01 11 53   0.3569  1.2374   125.1    41.2    23.0
    
    A. U. Tomatic                (C) Copyright 2015 MPC           M.P.E.C. 2015-S07
    

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