• MPC Preparation (Info)

  • MPEC 2012-B28 : 2012 BL11

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    M.P.E.C. 2012-B28                                Issued 2012 Jan. 20, 21:28 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 BL11
    
    Observations:
         K12B11L* C2012 01 19.46055 10 16 14.123+06 15 50.35         22.3 wLEB028F51
         K12B11L  C2012 01 19.49741 10 16 07.332+06 11 31.63         22.0 wLEB028F51
         K12B11L  C2012 01 19.51151 10 16 04.670+06 09 51.62         22.4 wLEB028F51
         K12B11L mC2012 01 20.33899 10 13 59.85 +04 31 58.5                oEB028291
         K12B11L mC2012 01 20.34472 10 13 58.78 +04 31 18.7                oEB028291
         K12B11L  C2012 01 20.51368 10 13 27.33 +04 11 26.4          21.0 VrEB028G96
         K12B11L  C2012 01 20.51493 10 13 27.12 +04 11 17.9          22.0 VrEB028G96
         K12B11L  C2012 01 20.51616 10 13 26.86 +04 11 09.4          20.9 VrEB028G96
         K12B11L  C2012 01 20.51742 10 13 26.65 +04 11 00.6          21.5 VrEB028G96
    
    Observer details:
    291 LPL/Spacewatch II.  Observer R. S. McMillan.  1.8-m f/2.7 reflector + CCD.
    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.
    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.
    
    Orbital elements:
    2012 BL11                                                Earth MOID = 0.0765 AU
    Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
    M  51.71508              (2000.0)            P               Q
    n   0.71579470     Peri.  164.81207     -0.25256901     -0.95346691
    a   1.2376858      Node   299.57365     +0.86684046     -0.14737029
    e   0.1467241      Incl.   10.91274     +0.42987964     -0.26302633
    P   1.38           H   25.8           G   0.15           U   8
    Residuals in seconds of arc
    120119 F51  0.3-  1.3-    120120 291  0.2+  0.6-    120120 G96  0.3+  0.4+
    120119 F51  0.4+  0.7+    120120 291  0.1+  0.1-    120120 G96  0.3-  0.6+
    120119 F51  0.1+  0.6+    120120 G96  0.0   0.0     120120 G96  0.1-  0.7+
    
    Ephemeris:
    2012 BL11                a,e,i = 1.24, 0.15, 11                  q = 1.0561
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2011 12 21    10 48 21.2 +50 23 46   0.1428  1.0587   118.1    55.1    23.7
    ...
    2012 01 05    10 43 48.4 +32 39 50   0.1082  1.0562   130.1    45.4    22.8
    ...
    2012 01 13    10 30 52.4 +18 53 08   0.09707 1.0585   138.8    37.7    22.4
    ...
    2012 01 19    10 17 20.7 +07 10 51   0.09406 1.0618   144.4    32.6    22.2
    2012 01 20    10 14 49.8 +05 12 41   0.09407 1.0625   145.1    32.0    22.2
    2012 01 21    10 12 15.3 +03 15 21   0.09423 1.0632   145.6    31.5    22.1
    ...
    2012 01 27    09 55 54.6 -07 47 57   0.09830 1.0682   146.8    30.3    22.2
    ...
    2012 02 04    09 33 48.5 -19 24 24   0.1110  1.0769   143.5    33.0    22.6
    ...
    2012 02 19    09 01 00.0 -30 40 27   0.1488  1.0984   134.9    39.6    23.4
    
    A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-B28
    

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