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  • MPEC 2012-H29 : 2012 HY1

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    M.P.E.C. 2012-H29                                Issued 2012 Apr. 20, 18:17 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 HY1
    
    Observations:
         K12H01Y* C2012 04 16.39297 13 03 19.286-08 54 57.14         21.3 wLEH029F51
         K12H01Y  C2012 04 16.40618 13 03 18.048-08 54 47.03         21.1 wLEH029F51
         K12H01Y  C2012 04 16.41939 13 03 16.802-08 54 36.53         21.1 wLEH029F51
         K12H01Y  C2012 04 16.43263 13 03 15.570-08 54 26.07         21.2 wLEH029F51
         K12H01Y |C2012 04 17.14659 13 02 11.65 -08 44 53.7          21.2 VoEH029807
         K12H01Y |C2012 04 17.15492 13 02 10.87 -08 44 46.8          21.2 VoEH029807
         K12H01Y |C2012 04 17.16504 13 02 09.92 -08 44 38.8          21.6 VoEH029807
         K12H01Y %C2012 04 17.39274113 01 49.45 -08 41 46.8          21.2 RtEH029F65
         K12H01Y %C2012 04 17.39506213 01 49.23 -08 41 45.2          21.3 RtEH029F65
         K12H01Y %C2012 04 17.39737013 01 49.00 -08 41 43.2          20.9 RtEH029F65
         K12H01Y  C2012 04 18.17852 13 00 38.78 -08 31 20.0          21.0 RoEH029H01
         K12H01Y  C2012 04 18.18429 13 00 38.24 -08 31 15.4          20.5 RoEH029H01
         K12H01Y  C2012 04 18.19890 13 00 36.87 -08 31 03.7          20.6 RoEH029H01
         K12H01Y  C2012 04 18.21245 13 00 35.59 -08 30 52.8          20.5 RoEH029H01
         K12H01Y |C2012 04 20.06167 12 57 47.88 -08 05 36.4          21.2 VoEH029807
         K12H01Y |C2012 04 20.06999 12 57 47.11 -08 05 29.8          21.0 VoEH029807
         K12H01Y |C2012 04 20.07833 12 57 46.34 -08 05 22.9          21.5 VoEH029807
         K12H01Y KC2012 04 20.43509 12 57 13.75 -08 00 27.1          20.6 RoEH029474
         K12H01Y KC2012 04 20.43861 12 57 13.37 -08 00 24.2          20.7 RoEH029474
         K12H01Y KC2012 04 20.44214 12 57 13.08 -08 00 21.0          20.8 RoEH029474
         K12H01Y KC2012 04 20.44566 12 57 12.71 -08 00 18.3          20.8 RoEH029474
    
    Observer details:
    474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore,
        P. M. Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
    807 Cerro Tololo.  Observers R. Holmes, T. Linder, V. Hoette.  Measurers
        R. Holmes, T. Linder.  0.41-m f/11 Ritchey-Chretien + CCD.
    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.
    F65 Haleakala-Faulkes Telescope North.  Observer T. Lister.  2.0-m f/10
        Ritchey-Chretien + CCD.
    H01 Magdalena Ridge Observatory, Socorro.  Observer W. H. Ryan.  2.4-m f/8.9
        reflector + CCD.
    
    Orbital elements:
    2012 HY1                                                 Earth MOID = 0.0682 AU
    Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
    M 309.21285              (2000.0)            P               Q
    n   0.30037775     Peri.   96.07269     +0.63709104     +0.76942263
    a   2.2081278      Node   213.64329     -0.73588669     +0.58946130
    e   0.5613644      Incl.    4.74897     -0.22931591     +0.24601664
    P   3.28           H   19.9           G   0.15           U   8
    Residuals in seconds of arc
    120416 F51  0.0   0.1+    120417 F65  0.1-  0.1+    120420 807  0.3-  0.2+
    120416 F51  0.0   0.1-    120417 F65  0.2-  0.1-    120420 807  0.1-  0.0
    120416 F51  0.0   0.0     120417 F65  0.3-  0.1+    120420 807  0.2+  0.1+
    120416 F51  0.1+  0.1+    120418 H01  0.1+  0.1-    120420 474  0.4+  0.1-
    120417 807  0.1-  0.4-    120418 H01  0.1+  0.1-    120420 474  0.3-  0.1-
    120417 807  0.1-  0.1-    120418 H01  0.1+  0.1-    120420 474  0.3+  0.2+
    120417 807  0.1-  0.2-    120418 H01  0.1+  0.1-    120420 474  0.2-  0.0
    
    Ephemeris:
    2012 HY1                 a,e,i = 2.21, 0.56, 5                   q = 0.9686
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2012 03 21    13 34 02.4 -13 04 02   1.0583  2.0014   153.9    12.7    22.3
    ...
    2012 04 05    13 19 08.7 -11 08 04   0.8970  1.8934   172.5     3.9    21.4
    ...
    2012 04 13    13 08 18.5 -09 38 02   0.8329  1.8342   175.5     2.4    21.1
    ...
    2012 04 19    12 59 24.1 -08 20 09   0.7952  1.7892   167.6     6.9    21.2
    2012 04 20    12 57 53.2 -08 06 32   0.7897  1.7816   166.2     7.7    21.2
    2012 04 21    12 56 22.2 -07 52 47   0.7846  1.7741   164.8     8.5    21.2
    ...
    2012 04 27    12 47 21.1 -06 28 23   0.7583  1.7284   156.4    13.5    21.3
    ...
    2012 05 05    12 36 11.7 -04 36 09   0.7352  1.6667   145.4    20.1    21.3
    ...
    2012 05 20    12 21 03.8 -01 34 48   0.7191  1.5497   126.2    31.8    21.5
    
    A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-H29
    

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