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  • MPEC 2012-B52 : 2012 BS23

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    M.P.E.C. 2012-B52                                Issued 2012 Jan. 23, 12:52 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 BS23
    
    Observations:
         K12B23S* C2012 01 20.25784 08 01 40.15 +26 35 39.3          20.9 VrEB052G96
         K12B23S  C2012 01 20.26596 08 01 38.92 +26 35 40.1          21.2 VrEB052G96
         K12B23S  C2012 01 20.27410 08 01 37.66 +26 35 40.8          20.8 VrEB052G96
         K12B23S  C2012 01 20.28226 08 01 36.40 +26 35 41.7          20.7 VrEB052G96
         K12B23S mC2012 01 20.43626 08 01 13.12 +26 35 52.8                oEB052291
         K12B23S mC2012 01 20.43913 08 01 12.69 +26 35 53.0                oEB052291
         K12B23S mC2012 01 20.44203 08 01 12.20 +26 35 53.1                oEB052291
         K12B23S  C2012 01 21.27423 07 59 11.13 +26 36 57.0          20.6 RoEB052H01
         K12B23S  C2012 01 21.27932 07 59 10.33 +26 36 57.3          20.3 RoEB052H01
         K12B23S  C2012 01 21.28856 07 59 08.88 +26 36 58.1          20.5 RoEB052H01
         K12B23S  C2012 01 21.29954 07 59 07.15 +26 36 58.9          20.0 RoEB052H01
         K12B23S KC2012 01 21.96611 07 57 26.25 +26 37 35.5          20.0 RuEB052104
         K12B23S KC2012 01 21.97255 07 57 25.19 +26 37 35.1                uEB052104
         K12B23S HC2012 01 22.90894 07 54 59.55 +26 38 14.0                uEB052J95
         K12B23S KC2012 01 22.93752 07 54 54.92 +26 38 15.9                uEB052J95
         K12B23S KC2012 01 22.94202 07 54 54.15 +26 38 15.1          20.2 RuEB052J95
    
    Observer details:
    104 San Marcello Pistoiese.  Observer P. Bacci.  Measurers P. Bacci, L. Tesi,
        G. Fagioli.  0.60-m f/4 reflector + CCD.
    291 LPL/Spacewatch II.  Observer R. S. McMillan.  1.8-m f/2.7 reflector + CCD.
    G96 Mt. Lemmon Survey.  Observer A. R. Gibbs.  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.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2012 BS23                                           PHA, Earth MOID = 0.0313 AU
    Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
    M 347.88325              (2000.0)            P               Q
    n   0.35268657     Peri.  259.15849     -0.79649027     +0.60120194
    a   1.9840081      Node   317.75573     -0.51050210     -0.72579285
    e   0.5923632      Incl.    5.50493     -0.32402293     -0.33433660
    P   2.79           H   21.5           G   0.15           U   9
    Residuals in seconds of arc
    120120 G96  0.3+  0.2-    120120 291  0.5-  0.1+    120121 104  0.2-  0.7-
    120120 G96  0.2+  0.2-    120121 H01  0.0   0.1+    120122 J95  0.6-  0.1+
    120120 G96  0.1-  0.3-    120121 H01  0.0   0.1+    120122 J95  0.5+  0.5+
    120120 G96  0.4-  0.2-    120121 H01  0.1+  0.2+    120122 J95  0.1+  0.5-
    120120 291  0.2+  0.0     120121 H01  0.1+  0.3+
    120120 291  0.2+  0.1+    120121 104  0.2+  0.1+
    
    Ephemeris:
    2012 BS23                a,e,i = 1.98, 0.59, 6                   q = 0.8088
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2011 12 24    08 34 56.0 +25 30 53   0.7316  1.6437   146.4    19.3    22.9
    ...
    2012 01 08    08 23 55.2 +26 06 32   0.5470  1.5158   163.5    10.6    21.8
    ...
    2012 01 16    08 10 57.8 +26 27 37   0.4648  1.4458   172.5     5.1    21.1
    ...
    2012 01 22    07 57 21.1 +26 37 44   0.4110  1.3926   172.3     5.4    20.7
    2012 01 23    07 54 44.7 +26 38 27   0.4028  1.3837   171.2     6.2    20.7
    2012 01 24    07 52 02.4 +26 38 49   0.3947  1.3747   170.0     7.1    20.7
    ...
    2012 01 30    07 33 50.6 +26 31 15   0.3501  1.3210   161.0    14.0    20.6
    ...
    2012 02 07    07 04 51.4 +25 44 43   0.3008  1.2492   147.0    25.4    20.5
    ...
    2012 02 22    06 00 46.5 +21 31 22   0.2333  1.1164   117.6    51.8    20.5
    
    A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-B52
    

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