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  • MPEC 2012-B72 : 2012 BW61

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    M.P.E.C. 2012-B72                                Issued 2012 Jan. 27, 20:23 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 BW61
    
    Observations:
         K12B61W* C2012 01 26.47248 09 50 36.20 +13 12 01.4          20.8 VrEB072G96
         K12B61W  C2012 01 26.47774 09 50 37.03 +13 10 53.5          21.1 VrEB072G96
         K12B61W  C2012 01 26.48298 09 50 37.89 +13 09 47.6          21.0 VrEB072G96
         K12B61W  C2012 01 26.48818 09 50 38.72 +13 08 40.3          21.2 VrEB072G96
         K12B61W  C2012 01 26.53823 09 50 47.03 +12 57 57.3          21.3 VrEB072G96
         K12B61W  C2012 01 26.53881 09 50 47.08 +12 57 49.8          21.6 VrEB072G96
         K12B61W  C2012 01 26.53997 09 50 47.31 +12 57 35.2          21.1 VrEB072G96
         K12B61W  C2012 01 27.51628 09 54 07.56 +09 07 56.0          20.5 VrEB072G96
         K12B61W  C2012 01 27.51688 09 54 07.66 +09 07 48.0          20.5 VrEB072G96
         K12B61W  C2012 01 27.51747 09 54 07.74 +09 07 38.4          20.5 VrEB072G96
         K12B61W  C2012 01 27.51806 09 54 07.84 +09 07 30.9          21.2 VrEB072G96
    
    Observer details:
    G96 Mt. Lemmon Survey.  Observer R. E. Hill.  Measurers J. D. Ahern,
        E. C. Beshore, A. Boattini, A. R. Gibbs, A. D. Grauer, R. E. Hill,
        R. A. Kowalski, S. M. Larson, R. H. McNaught.  1.5-m reflector + CCD.
    
    Orbital elements:
    2012 BW61                                                Earth MOID = 0.0399 AU
    Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
    M 358.86971              (2000.0)            P               Q
    n   0.38848102     Peri.  249.69505     -0.93245800     +0.30125507
    a   1.8601852      Node   307.30900     -0.15811581     -0.83660149
    e   0.5619134      Incl.   14.52016     -0.32484068     -0.45754053
    P   2.54           H   25.3           G   0.15           U   9
    Residuals in seconds of arc
    120126 G96  0.1-  0.4+    120126 G96  0.3+  0.1-    120127 G96  0.3+  0.1+
    120126 G96  0.2-  0.5-    120126 G96  0.4-  0.1-    120127 G96  0.3-  0.3-
    120126 G96  0.2+  0.4+    120126 G96  0.0   0.3+    120127 G96  0.5-  1.4+
    120126 G96  0.1+  0.4-    120127 G96  0.5+  1.2-
    
    Ephemeris:
    2012 BW61                a,e,i = 1.86, 0.56, 15                  q = 0.8149
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2011 12 28    09 09 15.4 +37 00 43   0.3902  1.3139   142.3    27.3    25.1
    ...
    2012 01 12    09 25 53.6 +33 11 13   0.2235  1.1857   152.2    22.8    23.5
    ...
    2012 01 20    09 36 26.6 +26 55 01   0.1435  1.1184   158.1    19.1    22.3
    ...
    2012 01 26    09 49 13.5 +14 48 06   0.08931 1.0692   160.7    17.7    21.1
    2012 01 27    09 52 23.0 +11 15 47   0.08117 1.0612   159.8    18.7    20.9
    2012 01 28    09 56 03.7 +06 57 51   0.07347 1.0532   158.0    20.5    20.8
    ...
    2012 02 03    10 45 55.0 -43 26 43   0.04720 1.0066   115.3    62.2    20.9
    ...
    2012 02 11    19 08 50.4 -73 39 25   0.09041 0.9490    62.8   112.3    24.3
    ...
    2012 02 26    20 55 50.5 -55 00 11   0.2246  0.8623    49.8   118.7    26.5
    
    A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-B72
    

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