MPEC 2004-R55 : 2004 RE84

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M.P.E.C. 2004-R55                                Issued 2004 Sept. 11, 16:35 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 RE84

Observations:
     K04R84E* C2004 09 10.23692 23 29 04.13 +01 29 58.4          19.8   ER055704
     K04R84E  C2004 09 10.24877 23 29 02.56 +01 30 00.5          20.1   ER055704
     K04R84E  C2004 09 10.26063 23 29 00.80 +01 30 00.2          20.1   ER055704
     K04R84E  C2004 09 10.27250 23 28 59.12 +01 30 00.8          20.6   ER055704
     K04R84E  C2004 09 10.93118 23 27 28.09 +01 30 56.8                 ER055246
     K04R84E  C2004 09 10.93360 23 27 27.71 +01 30 57.3                 ER055246
     K04R84E  C2004 09 10.93439 23 27 27.61 +01 30 56.7                 ER055246
     K04R84E  C2004 09 10.93616 23 27 27.29 +01 30 57.0                 ER055246
     K04R84E  C2004 09 10.93703 23 27 27.17 +01 30 57.3                 ER055246
     K04R84E 5C2004 09 11.29873 23 26 35.10 +01 31 37.4          19.5 R ER055673
     K04R84E 5C2004 09 11.30081 23 26 34.76 +01 31 37.5                 ER055673
     K04R84E 5C2004 09 11.30394 23 26 34.32 +01 31 37.6                 ER055673
     K04R84E 5C2004 09 11.30671 23 26 33.86 +01 31 37.8                 ER055673
     K04R84E  C2004 09 11.34388 23 26 27.20 +01 31 38.1          19.7 R ER055H36
     K04R84E  C2004 09 11.35363 23 26 25.65 +01 31 39.7          20.4 R ER055H36
     K04R84E  C2004 09 11.36338 23 26 23.80 +01 31 41.5          20.8 R ER055H36

Observer details:
246 Klet Observatory-KLENOT.  Observers J. Ticha, M. Tichy.  Measurer M. Tichy.
    1.06-m KLENOT Telescope + 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.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.3-m Schmidt-Cassegrain
    + CCD.

Orbital elements:
2004 RE84
Epoch 2004 Aug. 23.0 TT = JDT 2453240.5                 MPC
M 314.45980              (2000.0)            P               Q
n   0.48910440     Peri.  133.11900     -0.06033504     -0.99798770
a   1.5953954      Node   320.32756     +0.90671351     -0.04662702
e   0.5807854      Incl.    1.75033     +0.41740903     -0.04297052
P   2.02           H   22.6           G   0.15
From 16 observations 2004 Sept. 10-11.

Ephemeris:
2004 RE84                a,e,i = 1.60, 0.58, 2                   q = 0.6688
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2004 09 12    23 24.81   +01 33.0    0.216    1.222   174.2     4.7    20.1
2004 09 14    23 19.12   +01 35.7    0.198    1.203   174.5     4.6    19.9
2004 09 16    23 12.30   +01 38.1    0.179    1.184   172.8     6.2    19.7
2004 09 18    23 04.04   +01 40.1    0.162    1.164   169.7     8.9    19.6
2004 09 20    22 53.93   +01 41.9    0.145    1.145   165.7    12.5    19.4
2004 09 22    22 41.37   +01 43.4    0.129    1.126   160.9    17.0    19.3
2004 09 24    22 25.47   +01 44.7    0.113    1.107   155.2    22.3    19.2
2004 09 26    22 04.92   +01 45.6    0.098    1.087   148.3    29.0    19.0
2004 09 28    21 37.77   +01 45.4    0.084    1.068   139.7    37.3    18.9
2004 09 30    21 01.35   +01 43.1    0.072    1.048   128.8    48.1    18.8
2004 10 02    20 12.76   +01 36.0    0.063    1.029   114.9    61.9    18.9
2004 10 04    19 11.16   +01 21.0    0.057    1.009    97.7    79.1    19.2
2004 10 06    18 01.82   +00 57.2    0.056    0.990    78.6    98.2    19.9
2004 10 08    16 55.70   +00 29.3    0.060    0.971    60.4   116.6    21.0
2004 10 10    16 01.23   +00 03.8    0.068    0.952    45.1   132.0    22.6
2004 10 12    15 19.82   -00 16.7    0.079    0.933    33.2   144.2    24.4

Timothy B. Spahr             (C) Copyright 2004 MPC           M.P.E.C. 2004-R55

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