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  • MPEC 2011-B70 : 2010 OS22

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    M.P.E.C. 2011-B70                                Issued 2011 Jan. 30, 22:15 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.org/iau/mpc.html  ISSN 1523-6714
    
                                       2010 OS22
    
                               Revision to MPEC 2010-O46
    
    Additional Observations:
         K10O22S 2C2011 01 27.66344216 09 34.105-26 29 32.78         21.9 RoEB070568
         K10O22S 2C2011 01 29.65424116 12 26.951-26 37 16.53         21.8 RoEB070568
         K10O22S 2C2011 01 29.65549516 12 27.064-26 37 16.74         21.8 RoEB070568
         K10O22S 2C2011 01 29.65675616 12 27.171-26 37 17.05         22.1 RoEB070568
    
    Observer details:
    568 Mauna Kea.  Observer P. Forshay.  Measurers M. Micheli, D. J. Tholen.
        3.6-m Canada-France-Hawaii Telescope.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    110127 568 0.94+ 0.08+    110129 568 0.96+ 0.08+    MPO181487   +0.30 day
    
    Orbital elements:
    2010 OS22                                                Earth MOID = 0.1593 AU
    Epoch 2011 Feb. 8.0 TT = JDT 2455600.5                  MPC
    M  65.31115              (2000.0)            P               Q
    n   0.47077651     Peri.  179.52211     +0.23311949     -0.95944982
    a   1.6365384      Node   256.99071     +0.89166323     +0.27592465
    e   0.6886205      Incl.    9.36017     +0.38806185     -0.05763364
    P   2.09           H   18.1           G   0.15           U   4
    Residuals in seconds of arc
    100720 704  0.5-  0.7+    100725 C51  0.2+  0.4-    100730 J95  0.2+  0.4-
    100720 704  0.5-  0.5+    100728 H36  0.1+  0.7+    100801 H15  0.7-  0.4+
    100720 704  0.1-  0.5+    100728 H36  0.3-  0.4-    100801 H15  0.3-  0.5-
    100720 704  0.3-  1.0+    100728 H36  1.0-  0.1-    100801 H15  0.1+  0.4+
    100725 C51  0.1-  0.4+    100728 673 (2.4+  1.6+)   100810 H15 (2.4+  1.6+)
    100725 C51  0.5-  0.2-    100728 673  0.8+  0.3+    100810 H15  0.1-  0.2+
    100725 C51  0.0   1.1-    100728 673  0.4-  0.5-    100810 H15  0.0   0.2+
    100725 C51  0.2+  0.7-    100728 673  0.5+  0.2-    110127 568  0.0   0.1-
    100725 C51  0.1+  0.1+    100728 673 (1.6+  1.5-)   110129 568  0.1-  0.0
    100725 C51  0.1-  0.2-    100730 J95  0.6+  0.0     110129 568  0.0   0.0
    100725 C51  0.3-  0.1-    100730 J95  0.4-  0.3+    110129 568  0.0   0.0
    
    Ephemeris:
    2010 OS22                a,e,i = 1.64, 0.69, 9                   q = 0.5096
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2010 12 31    15 21 38.8 -23 58 00   2.0952  1.5642    45.1    26.4    21.9
    ...
    2011 01 15    15 49 23.4 -25 31 12   2.0883  1.7032    53.8    27.8    22.1
    ...
    2011 01 23    16 02 29.9 -26 09 56   2.0688  1.7727    58.9    28.4    22.2
    ...
    2011 01 29    16 11 30.5 -26 34 43   2.0474  1.8227    62.9    28.7    22.2
    2011 01 30    16 12 56.2 -26 38 32   2.0433  1.8309    63.6    28.8    22.2
    2011 01 31    16 14 20.7 -26 42 15   2.0390  1.8391    64.2    28.8    22.2
    ...
    2011 02 06    16 22 19.7 -27 02 46   2.0104  1.8869    68.5    29.1    22.3
    ...
    2011 02 14    16 31 39.4 -27 25 43   1.9649  1.9481    74.4    29.2    22.3
    ...
    2011 03 01    16 44 35.4 -27 57 07   1.8611  2.0554    86.6    28.8    22.3
    
    Timothy B. Spahr             (C) Copyright 2011 MPC           M.P.E.C. 2011-B70
    

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