• MPC Preparation (Info)

  • MPEC 2007-J52 : 2007 JA21

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    Read MPEC 2007-J51 Read MPEC 2007-J53


    M.P.E.C. 2007-J52                                Issued 2007 May 12, 23:59 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 http://www.cfa.harvard.edu/iau/mpc.html  ISSN 1523-6714
    
                                       2007 JA21
    
    Observations:
         K07J21A* C2007 05 11.30048 17 40 15.69 +53 06 22.3          19.9   EJ052704
         K07J21A  C2007 05 11.30979 17 40 15.08 +53 06 22.0          19.7   EJ052704
         K07J21A  C2007 05 11.31904 17 40 14.27 +53 06 20.6          19.7   EJ052704
         K07J21A  C2007 05 12.40316 17 38 51.73 +53 06 20.7          19.2   EJ052704
         K07J21A  C2007 05 12.41314 17 38 50.98 +53 06 21.3          19.4   EJ052704
         K07J21A  C2007 05 12.42275 17 38 50.27 +53 06 20.2          19.7   EJ052704
         K07J21A  C2007 05 12.43252 17 38 49.45 +53 06 19.7          19.4   EJ052704
         K07J21A  C2007 05 12.44211 17 38 48.69 +53 06 20.7          19.7   EJ052704
         K07J21A  C2007 05 12.88024 17 38 15.25 +53 06 15.7          19.3 V EJ052B03
         K07J21A  C2007 05 12.88396 17 38 14.97 +53 06 15.0          19.4 V EJ052B03
         K07J21A  C2007 05 12.88619 17 38 14.80 +53 06 14.0          19.4 V EJ052A74
         K07J21A  C2007 05 12.88770 17 38 14.61 +53 06 14.9          19.5 V EJ052B03
         K07J21A  C2007 05 12.89143 17 38 14.33 +53 06 14.2          19.2 V EJ052B03
         K07J21A  C2007 05 12.89200 17 38 14.34 +53 06 14.2          19.0 V EJ052A74
         K07J21A  C2007 05 12.89517 17 38 14.05 +53 06 15.1          19.2 V EJ052B03
         K07J21A  C2007 05 12.89781 17 38 13.92 +53 06 14.8          19.2 V EJ052A74
    
    Observer details:
    704 Lincoln Laboratory ETS, New Mexico.  Observers M. Bezpalko, D. Torres,
        R. Kracke, G. Spitz, J. Kistler.  Measurers J. Stuart, S. Scruggs.  1.0-m
        f/2.15 reflector + CCD.
    A74 Bergen-Enkheim Observatory.  Observer U. Suessenberger.  0.36-m f/4.6
        Schmidt-Cassegrain + CCD.
    B03 Alter Satzberg, Vienna.  Observer M. Pietschnig.  0.35-m f/7
        Schmidt-Cassegrain + CCD.
    
    Orbital elements:
    2007 JA21
    Epoch 2007 Apr. 30.0 TT = JDT 2454220.5                 MPC
    M   0.53705              (2000.0)            P               Q
    n   0.00165920     Peri.   72.44400     +0.08165970     -0.35180748
    a  70.6648068      Node    68.89656     -0.11134809     -0.93299139
    e   0.9332342      Incl.   88.26402     +0.99042077     -0.07588524
    P 594              H   11.3           G   0.15
    From 16 observations 2007 May 11-12.  E-assumed.
    
    Ephemeris:
    2007 JA21                a,e,i = 70.66, 0.93, 88                 q = 4.7180
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2007 05 10    17 41.89   +53 06.1    5.050    5.350   101.8    10.6    19.1
    2007 05 20    17 28.87   +52 59.1    5.053    5.385   103.8    10.5    19.1
    2007 05 30    17 15.21   +52 29.4    5.068    5.421   105.1    10.4    19.2
    2007 06 09    17 01.67   +51 36.0    5.097    5.457   105.5    10.3    19.2
    2007 06 19    16 48.98   +50 19.6    5.142    5.495   105.1    10.3    19.2
    2007 06 29    16 37.72   +48 42.5    5.201    5.533   103.8    10.3    19.3
    2007 07 09    16 28.26   +46 48.3    5.276    5.571   101.6    10.3    19.3
    2007 07 19    16 20.77   +44 41.2    5.366    5.610    98.7    10.3    19.4
    2007 07 29    16 15.28   +42 25.7    5.470    5.650    95.0    10.3    19.4
    2007 08 08    16 11.68   +40 05.6    5.584    5.690    90.8    10.3    19.5
    2007 08 18    16 09.79   +37 44.6    5.709    5.731    86.2    10.2    19.5
    2007 08 28    16 09.43   +35 25.7    5.840    5.772    81.2    10.0    19.6
    2007 09 07    16 10.41   +33 11.3    5.975    5.814    76.0     9.7    19.6
    2007 09 17    16 12.52   +31 03.1    6.111    5.857    70.7     9.3    19.7
    2007 09 27    16 15.59   +29 02.7    6.245    5.900    65.5     8.9    19.7
    2007 10 07    16 19.46   +27 11.0    6.374    5.943    60.3     8.4    19.8
    
    Timothy B. Spahr             (C) Copyright 2007 MPC           M.P.E.C. 2007-J52
    

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