• MPC Preparation (Info)

  • MPEC 2012-H50 : 2012 HM8

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    M.P.E.C. 2012-H50                                Issued 2012 Apr. 22, 13:04 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 HM8
    
    Observations:
         K12H08M* C2012 04 21.43466 13 01 49.251+13 39 00.92         20.6 wLEH050F51
         K12H08M  C2012 04 21.44902 13 01 52.176+13 38 56.89         20.3 wLEH050F51
         K12H08M  C2012 04 21.46351 13 01 55.146+13 38 52.71         20.6 wLEH050F51
         K12H08M  C2012 04 21.47802 13 01 58.145+13 38 48.45         20.6 wLEH050F51
         K12H08M KC2012 04 22.00012 13 04 08.00 +13 35 43.4                uEH050J95
         K12H08M KC2012 04 22.00871 13 04 09.96 +13 35 40.4                uEH050J95
         K12H08M KC2012 04 22.01657 13 04 11.73 +13 35 38.7          19.8 RuEH050J95
         K12H08M KC2012 04 22.21187 13 05 03.31 +13 34 55.2          20.0 RuEH050H36
         K12H08M KC2012 04 22.22084 13 05 05.40 +13 34 50.6          19.5 RuEH050H36
         K12H08M  C2012 04 22.25712 13 05 14.59 +13 34 46.8          19.8 RoEH050H01
         K12H08M  C2012 04 22.26116 13 05 15.51 +13 34 45.5          19.8 RoEH050H01
         K12H08M KC2012 04 22.26734 13 05 18.17 +13 34 37.2          19.8 RtEH050G58
         K12H08M  C2012 04 22.27073 13 05 17.69 +13 34 42.1          20.0 RoEH050H01
         K12H08M KC2012 04 22.27259 13 05 19.41 +13 34 35.3          19.7 RtEH050G58
         K12H08M  C2012 04 22.28094 13 05 20.02 +13 34 38.6          19.7 RoEH050H01
         K12H08M KC2012 04 22.28357 13 05 21.91 +13 34 32.0          19.8 RtEH050G58
    
    Observer details:
    F51 Pan-STARRS 1, Haleakala.  Observers N. Primak, A. Schultz, S. Watters,
        J. Thiel, T. Goggia.  Measurer PS1 Science Consortium.  1.8-m
        Ritchey-Chretien + CCD.
    G58 Chabot Space and Science Center, Oakland.  Observer G. McKeegan.  0.9-m
        f/4.5 Cassegrain + CCD.
    H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
        Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
    H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2012 HM8                                                 Earth MOID = 0.0180 AU
    Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
    M 346.23311              (2000.0)            P               Q
    n   0.20892508     Peri.  179.21964     -0.47996504     +0.87595192
    a   2.8128225      Node    62.09607     -0.80519202     -0.41795198
    e   0.6335726      Incl.    3.13901     -0.34828060     -0.24088250
    P   4.72           H   23.9           G   0.15           U   8
    Residuals in seconds of arc
    120421 F51  0.7+  0.3-    120422 J95  0.4+  0.2+    120422 H01  0.9+  0.2-
    120421 F51  0.7+  0.3-    120422 H36  1.1+  0.6+    120422 G58  0.7+  0.5-
    120421 F51  0.8+  0.3-    120422 H36  1.8+  1.1-    120422 H01  1.0+  0.1-
    120421 F51  0.9+  0.1-    120422 H01  0.7+  0.0     120422 G58  0.4+  0.3-
    120422 J95  1.0+  0.5-    120422 H01  0.8+  0.0
    120422 J95  0.9+  0.7-    120422 G58  0.2+  0.3-
    
    Ephemeris:
    2012 HM8                 a,e,i = 2.81, 0.63, 3                   q = 1.0307
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2012 03 23    12 23 05.0 +11 05 02   0.2792  1.2707   167.4     9.8    22.3
    ...
    2012 04 07    12 31 46.7 +13 00 40   0.1801  1.1705   158.6    18.2    21.5
    ...
    2012 04 15    12 43 20.9 +13 39 56   0.1346  1.1253   153.5    23.5    20.9
    ...
    2012 04 21    13 00 09.9 +13 40 49   0.1030  1.0961   151.0    26.4    20.4
    2012 04 22    13 04 08.6 +13 36 39   0.09790 1.0917   150.7    26.7    20.2
    2012 04 23    13 08 35.2 +13 30 43   0.09291 1.0874   150.6    27.0    20.1
    ...
    2012 04 29    13 49 59.3 +11 54 20   0.06473 1.0647   152.1    26.2    19.3
    ...
    2012 05 07    16 12 35.3 +02 08 44   0.03787 1.0430   153.4    25.7    18.1
    ...
    2012 05 22    21 24 06.8 -17 45 08   0.07235 1.0314   103.3    72.8    20.8
    
    A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-H50
    

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    MPEC number:

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