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  • MPEC 2012-H41 : 2012 HR2

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    M.P.E.C. 2012-H41                                Issued 2012 Apr. 21, 11:19 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 HR2
    
    Observations:
         K12H02R* C2012 04 20.46108 15 46 13.40 -08 33 38.7          18.9 VrEH041G96
         K12H02R  C2012 04 20.46862 15 46 18.33 -08 33 29.3          18.7 VrEH041G96
         K12H02R  C2012 04 20.47597 15 46 23.19 -08 33 20.4          19.1 VrEH041G96
         K12H02R  C2012 04 20.48335 15 46 28.02 -08 33 11.2          19.3 VrEH041G96
         K12H02R  C2012 04 20.50225 15 46 40.51 -08 32 47.5          18.6 VrEH041G96
         K12H02R  C2012 04 20.50257 15 46 40.68 -08 32 47.1          19.8 VrEH041G96
         K12H02R  C2012 04 20.50288 15 46 40.94 -08 32 45.6          18.5 VrEH041G96
         K12H02R  C2012 04 20.50361 15 46 41.44 -08 32 45.5          18.5 VrEH041G96
         K12H02R  C2012 04 20.50420 15 46 41.82 -08 32 44.7          18.4 VrEH041G96
         K12H02R  C2012 04 21.36436 15 56 42.28 -08 14 53.6          18.8 VrEH041G96
         K12H02R  C2012 04 21.37264 15 56 47.72 -08 14 43.1          19.2 VrEH041G96
         K12H02R  C2012 04 21.38093 15 56 53.26 -08 14 32.3          18.9 VrEH041G96
         K12H02R KC2012 04 21.40859 15 57 10.27 -08 14 03.6          19.8 RuEH041H36
         K12H02R KC2012 04 21.41291 15 57 13.13 -08 13 58.2          19.4 RuEH041H36
         K12H02R KC2012 04 21.41520 15 57 14.67 -08 13 55.1          19.0 RuEH041H36
         K12H02R KC2012 04 21.41786 15 57 16.39 -08 13 51.8          18.9 RuEH041H36
    
    Observer details:
    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.
    H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
    
    Orbital elements:
    2012 HR2                                                 Earth MOID = 0.0676 AU
    Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
    M 345.75070              (2000.0)            P               Q
    n   0.27191082     Peri.   30.57375     -0.65578493     +0.75467138
    a   2.3596724      Node   198.47249     -0.70504085     -0.62188322
    e   0.5471052      Incl.    3.69625     -0.26993246     -0.20912284
    P   3.62           H   23.0           G   0.15           U   8
    Residuals in seconds of arc
    120420 G96  0.1+  0.0     120420 G96  0.1+  0.8+    120421 H36  0.4+  0.2+
    120420 G96  0.2-  0.1+    120420 G96  0.4+  0.0     120421 H36  0.1+  0.1-
    120420 G96  0.2+  0.2-    120420 G96  0.2+  0.1+    120421 H36  0.2+  0.0
    120420 G96  0.2-  0.2-    120421 G96  0.1+  0.1+    120421 H36  0.6-  0.2-
    120420 G96  0.1-  0.3-    120421 G96  0.5-  0.0
    120420 G96  0.7-  0.3-    120421 G96  0.4+  0.1+
    
    Ephemeris:
    2012 HR2                 a,e,i = 2.36, 0.55, 4                   q = 1.0687
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2012 03 22    12 37 37.4 -10 11 49   0.2033  1.1958   167.6    10.3    20.6
    ...
    2012 04 06    13 37 52.5 -10 43 54   0.1284  1.1273   169.8     9.0    19.4
    ...
    2012 04 14    14 38 33.9 -10 07 13   0.1014  1.1004   163.1    15.4    19.1
    ...
    2012 04 20    15 40 59.8 -08 41 42   0.08951 1.0853   153.1    24.8    19.1
    2012 04 21    15 52 27.6 -08 21 33   0.08838 1.0832   151.1    26.6    19.1
    2012 04 22    16 04 05.3 -07 59 53   0.08750 1.0813   149.1    28.5    19.1
    ...
    2012 04 28    17 13 32.7 -05 28 10   0.08755 1.0725   137.0    39.8    19.4
    ...
    2012 05 06    18 30 13.1 -02 12 46   0.09955 1.0686   124.7    50.9    20.0
    ...
    2012 05 21    19 49 07.5 +00 58 08   0.1402  1.0856   118.3    55.2    20.9
    
    A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-H41
    

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