• MPC Preparation (Info)

  • MPEC 2012-B12 : 2012 BR1

    The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

    A form allowing access to any MPEC is at the bottom of this page.


    Read MPEC 2012-B11 Read MPEC 2012-B13


    M.P.E.C. 2012-B12                                Issued 2012 Jan. 19, 21:32 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 BR1
    
    Observations:
         K12B01R* C2012 01 18.28692 08 00 25.70 +22 05 12.8          20.8 VrEB012G96
         K12B01R  C2012 01 18.29149 08 00 22.64 +22 04 13.1          21.1 VrEB012G96
         K12B01R  C2012 01 18.29616 08 00 19.62 +22 03 13.9          20.8 VrEB012G96
         K12B01R  C2012 01 18.30082 08 00 16.52 +22 02 13.7          21.1 VrEB012G96
         K12B01R  C2012 01 18.30785 08 00 11.77 +22 00 43.0          21.1 VrEB012G96
         K12B01R  C2012 01 18.30844 08 00 11.44 +22 00 35.3          21.2 VrEB012G96
         K12B01R  C2012 01 18.30899 08 00 11.08 +22 00 27.8          20.7 VrEB012G96
         K12B01R  C2012 01 18.30957 08 00 10.65 +22 00 20.4          21.2 VrEB012G96
         K12B01R  C2012 01 19.39005 07 49 55.12 +18 20 41.8          21.2 VrEB012G96
         K12B01R  C2012 01 19.39053 07 49 54.87 +18 20 36.2          22.2 VrEB012G96
         K12B01R  C2012 01 19.39103 07 49 54.55 +18 20 30.4          21.5 VrEB012G96
         K12B01R  C2012 01 19.39152 07 49 54.30 +18 20 25.4          21.4 VrEB012G96
    
    Observer details:
    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 BR1                                                 Earth MOID = 0.0566 AU
    Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
    M 122.45965              (2000.0)            P               Q
    n   0.89241888     Peri.   76.49551     +0.92642513     -0.25616710
    a   1.0684566      Node   297.73771     +0.08433166     +0.85539543
    e   0.2635189      Incl.   18.16222     +0.36691233     +0.45019671
    P   1.10           H   26.5           G   0.15           U   9
    Residuals in seconds of arc
    120118 G96  0.2-  0.2+    120118 G96  0.6-  0.2+    120119 G96  0.0   0.1-
    120118 G96  0.5-  0.6-    120118 G96  0.2+  0.1+    120119 G96  0.3+  0.2-
    120118 G96  0.6+  0.4+    120118 G96  0.3+  0.3-    120119 G96  0.3-  0.2-
    120118 G96  0.6+  0.3+    120118 G96  0.4-  0.2-    120119 G96  0.0   0.5+
    
    Ephemeris:
    2012 BR1                 a,e,i = 1.07, 0.26, 18                  q = 0.7869
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2011 12 20    17 03 43.4 +40 12 33   0.1614  0.9260    64.5   106.4    26.3
    ...
    2012 01 04    14 48 14.7 +56 37 10   0.08033 0.9933    94.9    80.5    23.8
    ...
    2012 01 12    09 59 31.1 +49 14 37   0.05952 1.0296   139.8    38.0    22.0
    ...
    2012 01 18    08 03 26.9 +23 08 28   0.07277 1.0565   177.1     2.7    21.2
    2012 01 19    07 53 27.7 +19 37 40   0.07707 1.0609   178.0     1.8    21.3
    2012 01 20    07 44 56.6 +16 28 31   0.08179 1.0653   173.8     5.7    21.7
    ...
    2012 01 26    07 13 10.2 +03 40 53   0.1161  1.0914   155.7    21.8    23.1
    ...
    2012 02 03    06 55 47.1 -04 05 13   0.1702  1.1248   142.2    32.5    24.3
    ...
    2012 02 18    06 50 20.2 -08 50 04   0.2825  1.1827   127.8    41.3    25.7
    
    A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-B12
    

    Read MPEC 2012-B11 Read MPEC 2012-B13


    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)