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  • MPEC 2012-H66 : 2012 HS15

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    M.P.E.C. 2012-H66                                Issued 2012 Apr. 25, 11:04 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 HS15
    
    Observations:
         K12H15S* C2012 04 22.31271 14 11 43.22 +12 28 36.4          20.9 VrEH066G96
         K12H15S  C2012 04 22.32022 14 11 42.75 +12 28 44.9          20.6 VrEH066G96
         K12H15S  C2012 04 22.32775 14 11 42.28 +12 28 54.3          20.5 VrEH066G96
         K12H15S  C2012 04 22.39612 14 11 38.14 +12 30 18.6          20.8 VrEH066G96
         K12H15S  C2012 04 22.39823 14 11 38.00 +12 30 21.4          20.6 VrEH066G96
         K12H15S  C2012 04 22.40031 14 11 37.86 +12 30 24.1          20.6 VrEH066G96
         K12H15S  C2012 04 22.40240 14 11 37.75 +12 30 26.4          20.2 VrEH066G96
         K12H15S HC2012 04 23.33941 14 10 46.54 +12 49 47.6                oEH066291
         K12H15S HC2012 04 23.34197 14 10 46.35 +12 49 50.7                oEH066291
         K12H15S HC2012 04 23.34457 14 10 46.19 +12 49 54.1                oEH066291
         K12H15S HC2012 04 24.33949 14 09 49.93 +13 10 18.2                oEH066291
         K12H15S HC2012 04 24.34171 14 09 49.76 +13 10 20.8                oEH066291
         K12H15S HC2012 04 24.34393 14 09 49.65 +13 10 23.2                oEH066291
         K12H15S  C2012 04 25.23601 14 08 58.70 +13 28 31.5          20.6 VrEH066G96
         K12H15S  C2012 04 25.24094 14 08 58.41 +13 28 37.5          20.6 VrEH066G96
         K12H15S  C2012 04 25.24586 14 08 58.09 +13 28 43.3          21.4 VrEH066G96
         K12H15S  C2012 04 25.25079 14 08 57.76 +13 28 50.0          20.9 VrEH066G96
    
    Observer details:
    291 LPL/Spacewatch II.  Observer R. S. McMillan.  1.8-m f/2.7 reflector + CCD.
    G96 Mt. Lemmon Survey.  Observers A. R. Gibbs, R. A. Kowalski.  Measurers
        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 HS15                                                Earth MOID = 0.0711 AU
    Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
    M 317.62055              (2000.0)            P               Q
    n   0.31402274     Peri.  155.63201     +0.37976759     +0.91937716
    a   2.1436900      Node   136.49104     -0.87132310     +0.39274199
    e   0.5007167      Incl.    8.56865     -0.31076139     +0.02234667
    P   3.14           H   20.4           G   0.15           U   8
    Residuals in seconds of arc
    120422 G96  0.8+  0.9+    120422 G96  0.4-  0.1-    120424 291  0.3-  0.2-
    120422 G96  0.6+  0.0     120423 291  0.4+  0.2-    120425 G96  0.2+  0.1+
    120422 G96  0.3+  0.1+    120423 291  0.0   0.3-    120425 G96  0.6+  0.0
    120422 G96  0.1-  0.2-    120423 291  0.0   0.1-    120425 G96  0.5+  0.2-
    120422 G96  0.3-  0.0     120424 291  0.3-  0.2+    120425 G96  0.3+  0.5+
    120422 G96  0.6-  0.1+    120424 291  0.7-  0.1+
    
    Ephemeris:
    2012 HS15                a,e,i = 2.14, 0.50, 9                   q = 1.0703
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2012 03 26    14 23 39.2 +03 40 29   0.7477  1.6817   148.7    18.0    21.8
    ...
    2012 04 10    14 20 26.8 +08 13 15   0.6082  1.5799   157.1    14.3    21.1
    ...
    2012 04 18    14 15 21.0 +10 58 37   0.5503  1.5257   156.9    15.0    20.9
    ...
    2012 04 24    14 10 09.5 +13 03 26   0.5141  1.4853   154.1    17.2    20.7
    2012 04 25    14 09 12.1 +13 23 49   0.5087  1.4786   153.4    17.7    20.7
    2012 04 26    14 08 13.3 +13 44 01   0.5034  1.4719   152.7    18.3    20.7
    ...
    2012 05 02    14 01 59.3 +15 39 25   0.4749  1.4320   147.7    22.1    20.6
    ...
    2012 05 10    13 53 18.7 +17 50 42   0.4442  1.3799   140.0    28.1    20.6
    ...
    2012 05 25    13 39 38.4 +20 13 42   0.4024  1.2871   125.1    40.1    20.6
    
    A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-H66
    

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    MPEC number:

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