• Processing (Info)

    • MPEC 2004-R54 : 2004 RD84

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    M.P.E.C. 2004-R54                                Issued 2004 Sept. 11, 16:33 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.

                  Supported in part by the Brinson Foundation
             Prepared using the Tamkin Foundation Computer Network

                              MPC@CFA.HARVARD.EDU
          URL http://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714

                                   2004 RD84

Observations:
     K04R84D* C2004 09 10.17787 21 09 37.51 -10 53 35.3          19.9   ER054704
     K04R84D  C2004 09 10.18916 21 09 35.73 -10 53 20.4          20.0   ER054704
     K04R84D  C2004 09 10.20054 21 09 34.06 -10 53 06.9          19.9   ER054704
     K04R84D  C2004 09 10.21238 21 09 32.28 -10 52 51.3          19.9   ER054704
     K04R84D  C2004 09 10.22366 21 09 30.60 -10 52 39.3          20.1   ER054704
     K04R84D  C2004 09 10.86698 21 08 00.07 -10 39 21.9                 ER054246
     K04R84D  C2004 09 10.86800 21 07 59.96 -10 39 19.5                 ER054246
     K04R84D  C2004 09 10.86899 21 07 59.73 -10 39 19.5                 ER054246
     K04R84D  C2004 09 10.86976 21 07 59.68 -10 39 18.8                 ER054246
     K04R84D  C2004 09 11.16323 21 07 18.95 -10 33 10.6          19.6 R ER054651
     K04R84D  C2004 09 11.16457 21 07 18.73 -10 33 08.5          18.9 R ER054651
     K04R84D 5C2004 09 11.19456 21 07 14.56 -10 32 32.0          20.0 R ER054673
     K04R84D 5C2004 09 11.19723 21 07 14.12 -10 32 29.0                 ER054673
     K04R84D 5C2004 09 11.20648 21 07 12.81 -10 32 17.2                 ER054673
     K04R84D 5C2004 09 11.21308 21 07 11.86 -10 32 09.2                 ER054673

Observer details:
246 Klet Observatory-KLENOT.  Observers J. Ticha, M. Tichy.  Measurer M. Tichy.
    1.06-m KLENOT Telescope + CCD.
651 Grasslands Observatory, Tucson.  Observer J. E. McGaha.  0.62-m f/5.1
    Newtonian reflector + CCD.
673 Table Mountain Observatory, Wrightwood.  Observer J. Young.  0.6-m
    reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, F. Shelly,
    M. Bezpalko, R. Huber, L. Manguso, D. Torres, R. Kracke, M. McCleary,
    H. Stange, A. Milner.  Measurers J. Stuart, R. Sayer, J. Evans, J. Kommers.
    1.0-m f/2.15 reflector + CCD.

Orbital elements:
2004 RD84
Epoch 2004 Aug. 23.0 TT = JDT 2453240.5                 MPC
M 299.67784              (2000.0)            P               Q
n   0.41771866     Peri.  102.85916     +0.22448748     -0.95197364
a   1.7723390      Node   331.41848     +0.63608862     +0.30501624
e   0.3933070      Incl.   25.79895     +0.73823888     +0.02666996
P   2.36           H   18.6           G   0.15
From 15 observations 2004 Sept. 10-11.

Ephemeris:
2004 RD84                a,e,i = 1.77, 0.39, 26                  q = 1.0753
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2004 09 12    21 05.39   -10 15.6    0.638    1.575   145.7    21.1    19.6
2004 09 22    20 45.70   -06 45.0    0.655    1.520   131.8    29.5    19.9
2004 10 02    20 32.84   -03 18.8    0.685    1.465   119.5    36.5    20.1
2004 10 12    20 26.74   -00 03.3    0.723    1.410   109.0    42.0    20.3
2004 10 22    20 26.67   +03 03.7    0.761    1.356   100.2    46.2    20.4
2004 11 01    20 31.64   +06 07.6    0.796    1.304    92.9    49.5    20.5
2004 11 11    20 40.82   +09 13.7    0.825    1.254    86.9    52.0    20.6
2004 11 21    20 53.68   +12 27.3    0.845    1.208    82.1    54.1    20.6
2004 12 01    21 09.89   +15 52.1    0.855    1.167    78.3    55.8    20.6
2004 12 11    21 29.50   +19 30.2    0.855    1.132    75.6    57.4    20.6
2004 12 21    21 52.87   +23 22.8    0.845    1.105    73.9    58.8    20.6
2004 12 31    22 20.75   +27 28.0    0.827    1.086    73.1    60.1    20.5
2005 01 10    22 54.39   +31 39.6    0.803    1.076    73.3    61.1    20.5
2005 01 20    23 35.50   +35 45.2    0.778    1.077    74.3    61.6    20.4
2005 01 30    00 25.72   +39 19.9    0.757    1.087    76.0    61.5    20.4
2005 02 09    01 25.57   +41 46.2    0.744    1.107    78.2    60.7    20.3
2005 02 19    02 32.40   +42 23.8    0.747    1.136    80.4    59.1    20.4
2005 03 01    03 39.92   +40 53.4    0.769    1.172    82.5    57.0    20.4
2005 03 11    04 41.71   +37 34.3    0.812    1.213    83.8    54.5    20.6
2005 03 21    05 34.72   +33 11.4    0.876    1.260    84.3    51.9    20.7
2005 03 31    06 19.12   +28 27.4    0.959    1.310    83.9    49.3    20.9
2005 04 10    06 56.60   +23 49.6    1.058    1.362    82.8    46.8    21.2
2005 04 20    07 28.94   +19 30.2    1.169    1.417    81.0    44.5    21.4
2005 04 30    07 57.51   +15 32.3    1.288    1.472    78.7    42.2    21.6
2005 05 10    08 23.38   +11 54.4    1.415    1.527    76.0    39.9    21.9

Timothy B. Spahr             (C) Copyright 2004 MPC           M.P.E.C. 2004-R54

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