• MPC Preparation (Info)

  • MPEC 2012-E27 : 2012 EA2

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    M.P.E.C. 2012-E27                                Issued 2012 Mar. 3, 20:57 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 EA2
    
    Observations:
         K12E02A* C2012 03 01.12538 02 18 05.94 +38 57 45.0          20.6 VrEE027G96
         K12E02A  C2012 03 01.13303 02 18 11.98 +38 58 19.9          19.9 VrEE027G96
         K12E02A  C2012 03 01.14067 02 18 18.07 +38 58 54.0          19.9 VrEE027G96
         K12E02A  C2012 03 01.19808 02 19 03.95 +39 03 11.9          20.0 VrEE027G96
         K12E02A  C2012 03 01.19919 02 19 04.86 +39 03 15.9          20.0 VrEE027G96
         K12E02A KC2012 03 02.05885902 30 52.65 +40 07 06.9          20.1 VoEE027H21
         K12E02A KC2012 03 02.06472202 30 57.54 +40 07 31.4          20.0 VoEE027H21
         K12E02A  C2012 03 02.10549 02 31 31.94 +40 10 32.0          19.8 VrEE027G96
         K12E02A  C2012 03 02.11069 02 31 36.33 +40 10 54.1          19.8 VrEE027G96
         K12E02A  C2012 03 02.11593 02 31 40.65 +40 11 15.7          20.1 VrEE027G96
         K12E02A  C2012 03 02.12104 02 31 45.01 +40 11 37.8          19.8 VrEE027G96
         K12E02A  C2012 03 03.09895 02 45 51.48 +41 19 06.2          19.8 VrEE027G96
         K12E02A  C2012 03 03.10012 02 45 52.48 +41 19 10.5          20.0 VrEE027G96
         K12E02A  C2012 03 03.10071 02 45 52.95 +41 19 12.7          20.0 VrEE027G96
         K12E02A KC2012 03 03.81415 02 56 35.55 +42 04 30.9                uEE027J95
         K12E02A KC2012 03 03.81787 02 56 38.96 +42 04 44.2                uEE027J95
         K12E02A KC2012 03 03.82187 02 56 42.58 +42 04 57.6          19.4 RuEE027J95
    
    Observer details:
    G96 Mt. Lemmon Survey.  Observers A. R. Gibbs, E. J. Christensen,
        R. A. Kowalski, 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.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers T. Vorobjov, S. Foglia, L. Buzzi, T. Linder.  0.61-m f/4.5
        astrograph + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2012 EA2                                                 Earth MOID = 0.1228 AU
    Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
    M  25.20701              (2000.0)            P               Q
    n   0.45886313     Peri.   39.93257     +0.52066580     -0.85204186
    a   1.6647433      Node    18.88677     +0.73438158     +0.41461621
    e   0.6469976      Incl.    9.62930     +0.43542028     +0.31955918
    P   2.15           H   19.4           G   0.15           U   9
    Residuals in seconds of arc
    120301 G96  0.8+  0.1+    120302 H21  0.4+  0.3+    120303 G96  0.8+  0.0
    120301 G96  0.4+  0.5+    120302 G96  0.5+  0.4+    120303 G96  0.2+  0.1-
    120301 G96  0.6+  0.2+    120302 G96  1.0+  0.4+    120303 J95  0.5+  0.7+
    120301 G96  0.7+  0.5+    120302 G96  0.3+  0.1-    120303 J95  0.9+  0.5+
    120301 G96  0.9+  0.5-    120302 G96  1.3+  0.4+    120303 J95  0.8+  0.6-
    120302 H21  0.5+  0.7+    120303 G96  1.1+  0.2+
    
    Ephemeris:
    2012 EA2                 a,e,i = 1.66, 0.65, 10                  q = 0.5877
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2012 02 02    23 09 38.2 +05 05 37   0.6196  0.6381    39.1   103.2    21.2
    ...
    2012 02 17    00 17 59.2 +20 53 01   0.4149  0.7719    47.6   109.0    21.0
    ...
    2012 02 25    01 19 18.2 +31 51 12   0.3412  0.8583    57.9   102.5    20.5
    ...
    2012 03 02    02 30 04.1 +40 02 54   0.3098  0.9255    68.8    93.0    20.0
    2012 03 03    02 44 24.8 +41 12 29   0.3070  0.9368    70.9    91.1    19.9
    2012 03 04    02 59 26.6 +42 15 52   0.3049  0.9481    73.0    89.1    19.8
    ...
    2012 03 10    04 38 30.2 +45 40 50   0.3081  1.0160    85.4    77.0    19.6
    ...
    2012 03 18    06 36 11.8 +42 32 49   0.3514  1.1056    98.9    62.8    19.6
    ...
    2012 04 02    08 32 03.8 +30 39 59   0.5118  1.2680   109.8    47.9    20.3
    
    A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-E27
    

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    MPEC number:

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    • B01 (the abbreviated form)