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    • MPEC 2004-R89 : 2004 RN251

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    Read MPEC 2004-R88 Read MPEC 2004-S01 

    M.P.E.C. 2004-R89                                Issued 2004 Sept. 15, 22:53 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 RN251

Observations:
     K04RP1N* C2004 09 15.28539 23 55 02.22 +21 38 00.4          19.2   ER089704
     K04RP1N  C2004 09 15.29691 23 55 15.46 +21 41 28.2          20.1   ER089704
     K04RP1N  C2004 09 15.30893 23 55 29.27 +21 45 06.0          19.6   ER089704
     K04RP1N  C2004 09 15.32071 23 55 42.95 +21 48 40.9          19.5   ER089704
     K04RP1N  C2004 09 15.33236 23 55 56.63 +21 52 14.3          19.6   ER089704
     K04RP1N  C2004 09 15.85283 00 09 41.26 +24 53 12.2          18.6 R ER089J95
     K04RP1N  C2004 09 15.85817 00 09 50.84 +24 55 24.0          19.1 R ER089J95
     K04RP1N  C2004 09 15.87739 00 10 25.62 +25 03 24.5          19.3 R ER089J95
     K04RP1N  C2004 09 15.88311 00 10 36.00 +25 05 48.0          19.0 R ER089J95

Observer details:
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.
J95 Great Shefford.  Observer P. Birtwhistle.  0.30-m f/6.3 Schmidt-Cassegrain
    + CCD.

Orbital elements:
2004 RN251
Epoch 2004 Sept. 12.0 TT = JDT 2453260.5                MPC
M 335.53295              (2000.0)            P               Q
n   0.45978866     Peri.  245.45826     +0.41812591     -0.90838905
a   1.6625085      Node   179.82490     +0.85857028     +0.39511090
e   0.5295964      Incl.    4.36964     +0.29669477     +0.13680904
P   2.14           H   26.0           G   0.15
From 9 observations 2004 Sept. 15-15.

Ephemeris:
2004 RN251               a,e,i = 1.66, 0.53, 4                   q = 0.7820
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2004 09 12    23 20.85   +12 52.9    0.052    1.056   163.0    16.2    20.6
2004 09 13    23 26.88   +14 31.7    0.044    1.048   161.7    17.6    20.2
2004 09 14    23 35.64   +16 50.8    0.036    1.040   159.7    19.6    19.9
2004 09 15    23 49.46   +20 19.4    0.029    1.032   156.3    23.1    19.5
2004 09 16    00 14.18   +25 58.7    0.022    1.024   149.9    29.5    19.0
2004 09 17    01 08.37   +35 48.5    0.015    1.016   136.7    42.8    18.6
2004 09 18    03 38.96   +48 27.9    0.011    1.008   108.5    70.9    18.8
2004 09 19    07 23.35   +40 49.1    0.012    1.001    70.9   108.4    20.5
2004 09 20    08 58.21   +25 30.6    0.017    0.993    48.1   131.2    23.0
2004 09 21    09 35.44   +16 40.2    0.024    0.985    37.6   141.5    24.9
2004 09 22    09 54.30   +11 39.2    0.031    0.978    32.6   146.4    26.2

Timothy B. Spahr             (C) Copyright 2004 MPC           M.P.E.C. 2004-R89

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