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  • MPEC 2012-H39 : 2012 HP2

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    M.P.E.C. 2012-H39                                Issued 2012 Apr. 21, 11:15 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 HP2
    
    Observations:
         K12H02P* C2012 04 19.36701 15 30 42.98 +17 57 29.8          20.1 VrEH039G96
         K12H02P  C2012 04 19.37576 15 30 44.78 +17 58 02.3          20.3 VrEH039G96
         K12H02P  C2012 04 19.38447 15 30 46.62 +17 58 34.8          20.1 VrEH039G96
         K12H02P  C2012 04 19.39317 15 30 48.42 +17 59 07.0          20.7 VrEH039G96
         K12H02P  C2012 04 19.43080 15 30 56.26 +18 01 26.9          20.6 VrEH039G96
         K12H02P  C2012 04 19.43194 15 30 56.55 +18 01 31.1          20.8 VrEH039G96
         K12H02P  C2012 04 19.43309 15 30 56.77 +18 01 35.5          20.7 VrEH039G96
         K12H02P  C2012 04 19.43425 15 30 57.02 +18 01 39.6          20.6 VrEH039G96
         K12H02P KC2012 04 20.09261 15 33 25.10 +18 42 51.5                uEH039J95
         K12H02P KC2012 04 20.09772 15 33 26.24 +18 43 10.7                uEH039J95
         K12H02P KC2012 04 20.10244 15 33 27.24 +18 43 29.7          20.1 RuEH039J95
         K12H02P KC2012 04 21.42025 15 38 36.78 +20 08 58.1          19.6 RoEH039291
         K12H02P KC2012 04 21.42156 15 38 37.08 +20 09 03.3          19.8 RoEH039291
         K12H02P KC2012 04 21.42288 15 38 37.39 +20 09 08.5          19.9 RoEH039291
    
    Observer details:
    291 LPL/Spacewatch II.  Observer J. V. Scotti.  1.8-m f/2.7 reflector + CCD.
    G96 Mt. Lemmon Survey.  Observer R. A. Kowalski.  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.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2012 HP2                                                 Earth MOID = 0.1087 AU
    Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
    M 342.60423              (2000.0)            P               Q
    n   0.19054586     Peri.  110.19544     +0.08087170     +0.99557673
    a   2.9909078      Node   164.21473     -0.96748797     +0.08994410
    e   0.6744304      Incl.   10.12449     -0.23963888     -0.02714854
    P   5.17           H   21.5           G   0.15           U   8
    Residuals in seconds of arc
    120419 G96  0.2+  0.1+    120419 G96  0.3+  0.1-    120420 J95  0.2-  0.6+
    120419 G96  0.2-  0.0     120419 G96  0.0   0.1+    120421 291  0.0   0.0
    120419 G96  0.2+  0.1+    120419 G96  0.1+  0.2-    120421 291  0.0   0.0
    120419 G96  0.0   0.1-    120420 J95  0.1-  0.2-    120421 291  0.1+  0.0
    120419 G96  0.4-  0.0     120420 J95  0.3+  0.4-
    
    Ephemeris:
    2012 HP2                 a,e,i = 2.99, 0.67, 10                  q = 0.9737
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2012 03 22    14 24 53.1 -00 19 09   0.5469  1.4791   145.2    22.6    22.1
    ...
    2012 04 06    14 52 52.5 +06 53 45   0.3864  1.3466   149.0    22.5    21.2
    ...
    2012 04 14    15 13 10.1 +12 52 26   0.3176  1.2788   146.0    26.0    20.7
    ...
    2012 04 20    15 33 04.1 +18 37 14   0.2745  1.2300   140.9    31.0    20.5
    2012 04 21    15 36 56.2 +19 41 28   0.2680  1.2221   139.8    32.0    20.4
    2012 04 22    15 40 59.8 +20 47 37   0.2618  1.2142   138.7    33.1    20.4
    ...
    2012 04 28    16 10 15.7 +28 01 45   0.2294  1.1686   130.4    41.0    20.3
    ...
    2012 05 06    17 08 00.9 +38 35 02   0.2005  1.1127   116.4    54.3    20.2
    ...
    2012 05 21    20 10 51.0 +50 25 22   0.1936  1.0285    89.4    79.7    20.8
    
    A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-H39
    

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