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  • MPEC 2014-D03 : 2009 SG2

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    M.P.E.C. 2014-D03                                Issued 2014 Feb. 17, 16:00 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 https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                       2009 SG2
    
                               Revision to MPEC 2009-S50
    
    Additional Observations:
         K09S02G 2C2010 11 14.19518519 44 28.129-31 14 41.59         22.2 RtED003568
         K09S02G 2C2010 11 14.19909019 44 29.190-31 14 33.83         22.0 RtED003568
         K09S02G 2C2010 11 14.20175019 44 29.928-31 14 28.50         22.1 RtED003568
         K09S02G 2C2010 12 06.24033121 12 12.219-18 12 44.29         22.7 RtED003568
         K09S02G 2C2010 12 06.24267421 12 12.699-18 12 39.09         22.9 RtED003568
         K09S02G 2C2010 12 06.24501021 12 13.175-18 12 33.97         22.8 RtED003568
         K09S02G 2C2011 02 04.22883800 00 22.281+13 21 37.85         22.9 RtED003568
         K09S02G 2C2011 02 04.23256100 00 22.865+13 21 43.73         22.2 RtED003568
         K09S02G 2C2011 02 05.23142400 02 59.645+13 48 05.04         22.8 RtED003568
         K09S02G 2C2011 02 05.23515400 03 00.234+13 48 10.96         22.6 RtED003568
    
    Observer details:
    568 Mauna Kea.  Observers M. Micheli, G. T. Elliott.  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
    101114 568  2.7-  1.9-    110205 568  1.4-  1.8-    MPO206181   +0.0061 day
    
    Orbital elements:
    2009 SG2                                            PHA, Earth MOID = 0.0341 AU
    Epoch 2013 Nov. 4.0 TT = JDT 2456600.5                  MPC
    M 245.95282              (2000.0)            P               Q
    n   0.83016529     Peri.  252.91194     -0.15411857     +0.98561670
    a   1.1212256      Node     9.10779     -0.65457271     -0.04928585
    e   0.1702377      Incl.   25.97710     -0.74012298     -0.16164971
    P   1.19           H   20.1           G   0.15           U   2
    Residuals in seconds of arc
    090918 E12  0.0   0.0     090926 I20  0.2+  0.2-    091013 160  0.1+  0.0
    090918 E12  0.2-  0.3-    090926 E12  0.0   0.2-    091016 703  0.3-  0.2-
    090918 E12  0.1-  0.1+    090926 E12  0.1-  0.2-    091016 703  0.0   0.0
    090918 E12  0.1-  0.3-    090927 J51  0.4-  0.1-    091016 703  0.3-  0.0
    090918 E12  0.2-  0.1-    090927 J51  0.4-  0.1-    091016 703  0.1+  0.3-
    090918 E12  0.2+  0.3-    090927 J51  0.0   0.5-    091019 H26 (0.2+  1.8+)
    090918 E12  0.1-  0.1-    090927 204  0.3-  0.3+    091019 H26  0.6+  0.2+
    090918 E12  0.1-  0.0     090927 204  0.4-  0.3+    091019 H26  0.2+  0.3+
    090918 E12  0.0   0.1+    090927 204  0.4-  0.2+    091019 H45  1.0-  0.1+
    090918 E12  0.0   0.2+    090927 204  0.3-  0.3+    091019 H45  0.8-  0.4-
    090918 E12  0.2-  0.2+    090927 204  0.5-  0.2+    091019 H45  0.3+  0.1-
    090919 I21  0.2+  1.2+    090929 E12  0.1+  0.2-    091019 H45  0.4-  0.1-
    090919 I21 (1.8+  0.3+)   090929 E12  0.2+  0.1-    091019 H45  0.8-  0.7-
    090919 I21  0.3+  0.1+    090929 A53  0.4-  0.3+    091019 H45  0.3+  0.1-
    090919 I21  1.0+  0.3-    090929 A53 (1.3-  1.6+)   091019 A48  0.3-  0.2+
    090919 I21  0.1-  0.1-    090929 A53  0.5-  1.1+    091019 A48  0.1-  0.0
    090919 I20  0.1+  0.0     090930 808 (3.3+  3.1-)   091019 A48  0.1-  0.2+
    090919 I20  0.1+  0.1-    090930 808  0.8-  0.4+    091025 130  0.4+  0.2-
    090919 I20  0.1-  0.1-    090930 808  0.5+  0.9-    091025 130  1.0-  0.5-
    090919 673  0.3+  1.0+    090930 808 (1.7+  2.3-)   091025 130  0.6-  0.4+
    090919 673  0.0   0.1+    090930 D21  1.4+  1.3+    091027 703  0.5+  0.6+
    090919 673  0.2+  0.3+    090930 D21 (2.1+  0.7+)   091027 703  0.3+  0.3+
    090919 673  0.2-  0.1-    090930 D21 (1.7+  0.9+)   091027 703  0.4-  0.7+
    090920 E12  0.0   0.1-    091001 808  0.3-  0.9-    091027 703  1.2+  0.7+
    090920 E12  0.1+  0.1-    091001 808  1.3+  0.6-    091110 645  0.1+  0.0
    090921 I21  0.7+  0.5+    091001 808 (2.2-  3.2+)   091110 645  0.0   0.1-
    090921 I21  0.1+  0.6+    091007 E12  0.0   0.1-    091110 645  0.2+  0.1-
    090921 I21  0.6+  0.7+    091007 E12  0.1+  0.2-    091125 G96  0.1+  0.0
    090922 474  0.0   0.2+    091007 B03  0.3+  0.1-    091125 G96  0.2-  0.7+
    090922 474  0.2-  0.2+    091007 B03  0.1-  0.2+    091125 G96  0.1-  0.4+
    090922 474  0.1-  0.2+    091007 B03  0.3-  0.1-    091125 G96  1.3-  0.1+
    090923 I21  0.6+  0.2+    091007 B03  0.1-  0.1-    091126 291  0.1-  0.3+
    090923 I21  0.5+  0.3-    091007 160  0.0   0.2+    091126 291  0.1+  0.4+
    090923 E12  0.0   0.2-    091007 160  0.2-  0.3-    091126 291  0.3+  0.1+
    090923 E12  0.1-  0.1-    091007 160  0.3+  0.2+    101114 568  0.2+  0.0
    090924 D21  0.5-  0.2+    091007 160  0.0   0.4+    101114 568  0.1-  0.0
    090924 D21  0.6-  0.2-    091011 568  0.0   0.2+    101114 568  0.0   0.0
    090924 D21  0.6-  0.2-    091011 568  0.2+  0.2+    101206 568  0.1-  0.0
    090926 I21  0.0   0.1+    091013 A53  0.6-  0.3+    101206 568  0.0   0.1+
    090926 I21  0.1+  0.0     091013 A53  0.2-  0.1-    101206 568  0.0   0.1+
    090926 I21  0.4-  0.1+    091013 A53  0.1-  0.8+    110204 568  0.0   0.0
    090926 I20  0.2+  0.3-    091013 A53  0.5-  0.4+    110204 568  0.0   0.0
    090926 I20  0.2+  0.2-    091013 160  0.2+  0.1+    110205 568  0.1-  0.1-
    090926 I20  0.1+  0.0     091013 160  0.1+  0.0     110205 568  0.0   0.1-
    
    Ephemeris:
    2009 SG2                 a,e,i = 1.12, 0.17, 26                  q = 0.9304
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2014 01 18    16 04 40.2 -22 12 14   1.2227  1.0265    54.1    51.0    22.5
    ...
    2014 02 02    17 13 11.7 -29 51 43   1.1829  0.9896    53.4    53.0    22.4
    ...
    2014 02 10    17 55 02.7 -33 05 12   1.1735  0.9725    52.6    53.8    22.4
    ...
    2014 02 16    18 28 36.7 -34 54 36   1.1723  0.9612    52.0    54.1    22.3
    2014 02 17    18 34 21.3 -35 09 23   1.1726  0.9595    51.9    54.1    22.3
    2014 02 18    18 40 08.0 -35 23 07   1.1731  0.9578    51.7    54.1    22.3
    ...
    2014 02 24    19 15 22.0 -36 22 35   1.1786  0.9485    51.0    54.1    22.3
    ...
    2014 03 04    20 02 46.9 -36 38 12   1.1933  0.9390    49.9    53.8    22.3
    ...
    2014 03 19    21 26 54.2 -34 01 36   1.2393  0.9305    47.7    52.3    22.3
    
    A. U. Tomatic                (C) Copyright 2014 MPC           M.P.E.C. 2014-D03
    

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