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  • MPEC 2012-B14 : 2012 BT1

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    M.P.E.C. 2012-B14                                Issued 2012 Jan. 19, 21:37 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 BT1
    
    Observations:
         K12B01T* C2012 01 18.31964 07 50 41.46 +20 18 59.3          20.1 VrEB014G96
         K12B01T  C2012 01 18.32565 07 50 30.87 +20 20 18.2          19.6 VrEB014G96
         K12B01T  C2012 01 18.33168 07 50 20.43 +20 21 36.7          19.9 VrEB014G96
         K12B01T  C2012 01 18.33767 07 50 10.03 +20 22 54.1          19.8 VrEB014G96
         K12B01T  C2012 01 18.36882 07 49 16.14 +20 29 34.4          19.8 VrEB014G96
         K12B01T  C2012 01 18.36929 07 49 15.38 +20 29 40.0          19.7 VrEB014G96
         K12B01T  C2012 01 18.36976 07 49 14.59 +20 29 46.1          19.8 VrEB014G96
         K12B01T  C2012 01 18.37023 07 49 13.76 +20 29 52.0          19.9 VrEB014G96
         K12B01T mC2012 01 18.37672 07 49 02.82 +20 31 18.1                oEB014291
         K12B01T mC2012 01 18.37708 07 49 02.18 +20 31 22.5                oEB014291
         K12B01T mC2012 01 18.37743 07 49 01.57 +20 31 27.0                oEB014291
         K12B01T  C2012 01 18.43591 07 47 21.78 +20 43 35.2                rEB014G96
         K12B01T  C2012 01 18.43709 07 47 19.74 +20 43 50.0          19.5 VrEB014G96
         K12B01T  C2012 01 18.43828 07 47 17.85 +20 44 03.8          20.3 VrEB014G96
         K12B01T  C2012 01 18.43943 07 47 15.86 +20 44 18.4          20.0 VrEB014G96
         K12B01T KC2012 01 18.80771 07 38 04.81 +21 58 58.3          19.4 RuEB014104
         K12B01T KC2012 01 18.81645 07 37 50.68 +22 00 47.1          19.0 RuEB014104
         K12B01T  C2012 01 19.33825 07 24 20.30 +23 40 08.9          20.0 VrEB014G96
         K12B01T  C2012 01 19.33929 07 24 18.57 +23 40 19.7          19.9 VrEB014G96
         K12B01T  C2012 01 19.34037 07 24 16.84 +23 40 31.1          19.8 VrEB014G96
    
    Observer details:
    104 San Marcello Pistoiese.  Observers P. Bacci, S. Vergari.  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.  Observers R. E. Hill, 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 BT1                                                 Earth MOID = 0.0133 AU
    Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
    M 234.36268              (2000.0)            P               Q
    n   1.42027600     Peri.  193.70664     +0.65968893     +0.74856830
    a   0.7838282      Node   117.61502     -0.68222817     +0.63373938
    e   0.3053562      Incl.    4.32050     -0.31523840     +0.19498690
    P   0.69           H   27.4           G   0.15           U   8
    Residuals in seconds of arc
    120118 G96  0.9+  0.7-    120118 G96  0.0   0.1-    120118 G96  0.7+  0.1-
    120118 G96  1.1-  0.1-    120118 291  0.2+  0.2+    120118 104  0.4-  0.8-
    120118 G96  0.6-  0.0     120118 291  0.1-  0.1+    120118 104  0.5-  0.2+
    120118 G96  0.6-  0.2-    120118 291  0.2-  0.1+    120119 G96  0.7+  0.0
    120118 G96  0.7-  0.3+    120118 G96  0.7+  0.1+    120119 G96  0.3-  0.0
    120118 G96  0.0   0.1-    120118 G96  0.1-  0.3+    120119 G96  0.3-  0.2+
    120118 G96  0.3+  0.0     120118 G96  1.5+  0.6-
    
    Ephemeris:
    2012 BT1                 a,e,i = 0.78, 0.31, 4                   q = 0.5445
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2011 12 20    13 53 20.2 -31 40 36   0.09495 0.9289    52.4   123.0    27.2
    ...
    2012 01 04    12 38 56.5 -25 17 08   0.04714 0.9795    84.0    93.2    24.0
    ...
    2012 01 12    10 42 36.7 -08 27 53   0.02684 0.9987   124.1    54.6    21.5
    ...
    2012 01 18    07 59 23.8 +19 08 18   0.02574 1.0095   178.3     1.7    19.7
    2012 01 19    07 32 56.1 +22 38 49   0.02734 1.0110   173.2     6.7    20.1
    2012 01 20    07 08 38.3 +25 29 31   0.02932 1.0124   166.0    13.6    20.5
    ...
    2012 01 26    05 31 21.3 +33 17 13   0.04604 1.0191   137.7    40.6    22.4
    ...
    2012 02 03    04 39 46.6 +35 19 02   0.07308 1.0230   119.1    57.3    23.8
    ...
    2012 02 18    04 13 54.3 +36 07 32   0.1243  1.0156    99.2    73.8    25.5
    
    A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-B14
    

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    MPEC number:

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    • B01 (the abbreviated form)