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    • MPEC 2012-B82 : 2012 BA77

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    M.P.E.C. 2012-B82                                Issued 2012 Jan. 28, 12:15 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.net/    ISSN 1523-6714

                                   2012 BA77

Observations:
     K12B77A* C2012 01 24.36724 08 27 36.268+04 49 49.65         21.9 wLEB082F51
     K12B77A  C2012 01 24.38121 08 27 39.102+04 50 38.18         21.9 wLEB082F51
     K12B77A  C2012 01 24.39523 08 27 41.956+04 51 27.40         21.7 wLEB082F51
     K12B77A 2C2012 01 26.36769408 34 26.109+06 29 50.98         21.1 RoEB082568
     K12B77A 2C2012 01 26.36894708 34 26.297+06 29 54.23         21.1 RoEB082568
     K12B77A 2C2012 01 26.37020308 34 26.474+06 29 57.55         21.1 RoEB082568

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 BA77                                                Earth MOID = 0.0001 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
M  24.81521              (2000.0)            P               Q
n   0.26542991     Peri.  228.51034     +0.42434757     -0.90548024
a   2.3979280      Node   196.38320     +0.83687565     +0.39466305
e   0.6380086      Incl.    1.19615     +0.34578647     +0.15603401
P   3.71           H   25.9           G   0.15           U   7
Residuals in seconds of arc
120124 F51  0.1+  0.1+    120124 F51  0.1+  0.1+    120126 568  0.1+  0.0
120124 F51  0.2-  0.2-    120126 568  0.0   0.0     120126 568  0.0   0.0

Ephemeris:
2012 BA77                a,e,i = 2.40, 0.64, 1                   q = 0.8680
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2011 12 29    21 50 31.7 -22 21 21   0.1190  0.9050    46.1   128.4    26.6
...
2012 01 13    03 43 31.3 -39 51 17   0.02438 0.9873    98.2    80.4    20.6
...
2012 01 21    08 08 52.3 +00 23 08   0.06396 1.0445   160.3    18.5    21.0
...
2012 01 27    08 36 09.5 +06 56 15   0.1090  1.0916   168.2    10.6    21.9
2012 01 28    08 38 39.2 +07 33 21   0.1169  1.0998   169.1     9.7    22.1
2012 01 29    08 40 50.5 +08 06 10   0.1248  1.1080   169.9     9.0    22.2
...
2012 02 04    08 49 51.5 +10 24 21   0.1742  1.1586   172.5     6.3    22.9
...
2012 02 12    08 56 39.5 +12 06 52   0.2451  1.2288   169.4     8.5    23.9
...
2012 02 27    09 05 43.2 +13 35 32   0.3975  1.3650   157.0    16.4    25.5

A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-B82

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