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  • MPEC 2012-B93 : 2012 BN77

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    M.P.E.C. 2012-B93                                Issued 2012 Jan. 28, 18:22 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
    
                                       2012 BN77
    
    Observations:
         K12B77N* C2012 01 25.52498 09 01 23.265+26 38 24.19         20.3 rLEB093F51
         K12B77N  C2012 01 25.53706 09 01 22.109+26 38 23.90         20.4 rLEB093F51
         K12B77N  C2012 01 25.55048 09 01 20.837+26 38 23.62         20.3 iLEB093F51
         K12B77N  C2012 01 25.56307 09 01 19.631+26 38 23.34         20.2 iLEB093F51
         K12B77N HC2012 01 26.26380 09 00 16.31 +26 38 12.7                oEB093291
         K12B77N HC2012 01 26.26642 09 00 16.10 +26 38 12.6                oEB093291
         K12B77N HC2012 01 26.26906 09 00 15.84 +26 38 12.6                oEB093291
         K12B77N HC2012 01 27.49913 08 58 23.51 +26 37 40.3                oEB093291
         K12B77N HC2012 01 27.50188 08 58 23.22 +26 37 40.1                oEB093291
         K12B77N HC2012 01 27.50466 08 58 22.97 +26 37 39.6                oEB093291
         K12B77N %C2012 01 28.37713008 57 05.71 +26 37 10.5          20.3 RoEB093F65
         K12B77N %C2012 01 28.37882708 57 05.57 +26 37 10.8          20.2 RoEB093F65
         K12B77N %C2012 01 28.38053308 57 05.42 +26 37 10.5          20.4 RoEB093F65
         K12B77N %C2012 01 28.38221008 57 05.25 +26 37 10.4          20.0 RoEB093F65
         K12B77N %C2012 01 28.38387308 57 05.10 +26 37 10.3          20.5 RoEB093F65
         K12B77N %C2012 01 28.38552808 57 04.96 +26 37 10.3          20.3 RoEB093F65
    
    Observer details:
    291 LPL/Spacewatch II.  Observer T. H. Bressi.  1.8-m f/2.7 reflector + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers N. Primak, A. Schultz, S. Watters,
        J. Thiel, T. Goggia.  Measurer PS1 Science Consortium.  1.8-m
        Ritchey-Chretien + CCD.
    F65 Haleakala-Faulkes Telescope North.  Observer T. Lister.  2.0-m f/10
        Ritchey-Chretien + CCD.
    
    Orbital elements:
    2012 BN77                                                Earth MOID = 0.2356 AU
    Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
    M  38.63994              (2000.0)            P               Q
    n   0.22632972     Peri.   50.61243     +0.73676381     -0.67599293
    a   2.6667051      Node   351.88164     +0.58427305     +0.64735674
    e   0.5455545      Incl.    5.92708     +0.34030000     +0.35208353
    P   4.35           H   19.3           G   0.15           U   7
    Residuals in seconds of arc
    120125 F51  0.1-  0.1-    120126 291  0.1+  0.2+    120128 F65  0.1+  0.1-
    120125 F51  0.1-  0.1-    120127 291  0.3+  0.1+    120128 F65  0.1-  0.1-
    120125 F51  0.1+  0.1-    120127 291  0.2-  0.1+    120128 F65  0.0   0.2-
    120125 F51  0.1+  0.1-    120127 291  0.1-  0.3-    120128 F65  0.2+  0.1-
    120126 291  0.3-  0.3+    120128 F65  0.3-  0.2-
    120126 291  0.2+  0.2+    120128 F65  0.0   0.2+
    
    Ephemeris:
    2012 BN77                a,e,i = 2.67, 0.55, 6                   q = 1.2119
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2011 12 29    09 37 57.0 +25 51 11   0.7271  1.5957   137.3    24.7    20.8
    ...
    2012 01 13    09 20 26.3 +26 26 04   0.7502  1.6951   155.5    13.9    20.6
    ...
    2012 01 21    09 08 22.4 +26 37 02   0.7800  1.7492   165.0     8.4    20.6
    ...
    2012 01 27    08 59 09.2 +26 37 58   0.8119  1.7901   170.3     5.3    20.5
    2012 01 28    08 57 39.2 +26 37 25   0.8180  1.7969   170.7     5.1    20.6
    2012 01 29    08 56 10.1 +26 36 41   0.8244  1.8038   171.0     4.9    20.6
    ...
    2012 02 04    08 47 45.2 +26 28 05   0.8676  1.8449   169.0     5.8    20.8
    ...
    2012 02 12    08 38 19.0 +26 06 32   0.9384  1.8997   161.3     9.6    21.2
    ...
    2012 02 27    08 27 37.8 +25 03 37   1.1084  2.0023   145.1    16.4    21.9
    
    A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-B93
    

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