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    • MPEC 2012-B84 : 2012 BC77

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    M.P.E.C. 2012-B84                                Issued 2012 Jan. 28, 12:19 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 BC77

Observations:
     K12B77C* C2012 01 25.41375 09 22 01.793+00 15 16.92         22.3 wLEB084F51
     K12B77C  C2012 01 25.42802 09 22 04.249+00 14 42.71         22.1 wLEB084F51
     K12B77C  C2012 01 25.44233 09 22 06.676+00 14 08.52         21.9 wLEB084F51
     K12B77C 2C2012 01 26.38624609 25 24.539-00 25 47.22         21.1 RoEB084568
     K12B77C 2C2012 01 26.38750209 25 24.790-00 25 50.67         21.1 RoEB084568
     K12B77C 2C2012 01 26.38875409 25 25.037-00 25 54.03         21.2 RoEB084568

Observer details:
568 Mauna Kea.  Observer A. Draginda.  Measurers D. J. Tholen, R. J. Wainscoat,
    M. Micheli.  3.6-m Canada-France-Hawaii Telescope.
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.

Orbital elements:
2012 BC77                                                Earth MOID = 0.0114 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
M 356.50866              (2000.0)            P               Q
n   0.40192215     Peri.   56.15524     -0.89611150     +0.44220432
a   1.8184782      Node   150.03804     -0.42816751     -0.83881693
e   0.5715425      Incl.    4.35692     -0.11686216     -0.31755551
P   2.45           H   25.1           G   0.15           U   8
Residuals in seconds of arc
120125 F51  0.1-  0.1+    120125 F51  0.1-  0.0     120126 568  0.0   0.0
120125 F51  0.1+  0.1-    120126 568  0.0   0.0     120126 568  0.0   0.0

Ephemeris:
2012 BC77                a,e,i = 1.82, 0.57, 4                   q = 0.7791
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2011 12 29    08 43 42.2 +08 15 23   0.4243  1.3515   144.5    25.0    25.0
...
2012 01 13    08 58 34.3 +05 12 25   0.2561  1.2187   154.0    20.7    23.6
...
2012 01 21    09 10 45.2 +02 35 41   0.1757  1.1478   157.0    19.6    22.6
...
2012 01 27    09 27 43.9 -00 54 00   0.1195  1.0952   156.4    21.1    21.7
2012 01 28    09 32 04.2 -01 46 07   0.1105  1.0865   155.9    21.7    21.5
2012 01 29    09 37 08.4 -02 46 29   0.1016  1.0779   155.1    22.6    21.4
...
2012 02 04    10 43 05.6 -14 56 02   0.05250 1.0268   140.7    37.5    20.3
...
2012 02 12    17 45 59.0 -31 50 25   0.04609 0.9619    55.9   121.8    23.3
...
2012 02 27    20 07 03.2 -14 42 28   0.1747  0.8576    37.2   135.7    27.3

A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-B84

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