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  • MPEC 2012-B73 : 2012 BY61

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    M.P.E.C. 2012-B73                                Issued 2012 Jan. 27, 21:06 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 BY61
    
    Observations:
         K12B61Y* C2012 01 26.25159 08 02 28.78 +21 04 21.8          20.6 VrEB073G96
         K12B61Y  C2012 01 26.25678 08 02 31.05 +21 06 31.6          21.4 VrEB073G96
         K12B61Y  C2012 01 26.26205 08 02 33.25 +21 08 39.3          20.4 VrEB073G96
         K12B61Y  C2012 01 26.26731 08 02 35.52 +21 10 49.8          21.5 VrEB073G96
         K12B61Y  C2012 01 26.29309 08 02 46.47 +21 21 22.4          21.6 VrEB073G96
         K12B61Y  C2012 01 26.29369 08 02 46.90 +21 21 40.5          21.4 VrEB073G96
         K12B61Y  C2012 01 26.29428 08 02 47.09 +21 21 52.2          21.4 VrEB073G96
         K12B61Y  C2012 01 26.29488 08 02 47.34 +21 22 05.8          21.6 VrEB073G96
         K12B61Y KC2012 01 26.34440 08 03 08.27 +21 42 17.7          20.7 RoEB073H01
         K12B61Y KC2012 01 26.35327 08 03 12.13 +21 45 54.4          20.2 RoEB073H01
         K12B61Y  C2012 01 26.36678 08 03 18.06 +21 51 24.3          20.0 RoEB073H01
         K12B61Y KC2012 01 26.37382 08 03 21.16 +21 54 15.9          20.2 RoEB073H01
         K12B61Y KC2012 01 27.10210 08 09 36.01 +26 48 49.9          20.7 RoEB073H01
         K12B61Y KC2012 01 27.10880 08 09 39.31 +26 51 32.6          21.2 RoEB073H01
         K12B61Y KC2012 01 27.11670 08 09 43.19 +26 54 44.6          20.8 RoEB073H01
         K12B61Y KC2012 01 27.12361 08 09 46.60 +26 57 31.8          20.8 RoEB073H01
    
    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.
    H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
        Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
    
    Orbital elements:
    2012 BY61                                                Earth MOID = 0.0657 AU
    Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
    M  22.82730              (2000.0)            P               Q
    n   0.45154748     Peri.  357.07486     -0.53442772     -0.77503896
    a   1.6826757      Node   124.97945     +0.78358326     -0.60387106
    e   0.3763146      Incl.   24.30148     +0.31683480     +0.18615678
    P   2.18           H   26.4           G   0.15           U   8
    Residuals in seconds of arc
    120126 G96  0.3+  0.1-    120126 G96  0.0   0.4-    120127 H01  0.0   0.1-
    120126 G96  0.8+  1.7+    120126 G96  0.1-  1.6-    120127 H01  0.1-  0.1-
    120126 G96  0.1-  0.4-    120126 H01  0.1+  0.5+    120127 H01  0.1-  0.3+
    120126 G96  0.1+  0.5+    120126 H01  0.0   0.4+    120127 H01  0.2+  0.1-
    120126 G96  1.5-  1.0-    120126 H01  0.1+  0.3+
    120126 G96 (0.9+  2.4+)   120126 H01  0.2+  0.1+
    
    Ephemeris:
    2012 BY61                a,e,i = 1.68, 0.38, 24                  q = 1.0495
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2011 12 28    06 31 34.3 -48 19 20   0.2408  1.0836   108.3    59.5    25.6
    ...
    2012 01 12    06 55 49.8 -37 23 00   0.1318  1.0560   120.2    53.6    24.1
    ...
    2012 01 20    07 23 46.2 -15 55 50   0.08194 1.0500   142.3    34.9    22.5
    ...
    2012 01 26    08 00 27.1 +19 21 21   0.06571 1.0498   172.9     6.6    21.1
    2012 01 27    08 08 35.8 +26 08 24   0.06630 1.0501   170.4     9.0    21.2
    2012 01 28    08 17 27.4 +32 40 01   0.06790 1.0505   165.0    14.0    21.5
    ...
    2012 02 03    09 27 38.7 +60 23 37   0.09360 1.0551   136.2    40.3    23.0
    ...
    2012 02 11    11 32 14.7 +72 39 32   0.1474  1.0666   119.2    53.8    24.4
    ...
    2012 02 26    13 45 53.1 +73 50 37   0.2583  1.1037   109.6    57.7    25.8
    
    A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-B73
    

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    MPEC number:

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