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IAU Minor Planet Center

Minor Planet Center

MPEC 2004-R79 : 2004 RU164

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M.P.E.C. 2004-R79                                Issued 2004 Sept. 14, 15:19 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 RU164

Observations:
     K04RG4U* C2004 09 10.64377 22 59 54.26 -47 07 05.2          19.4 R ER079E12
     K04RG4U  C2004 09 10.65689 22 59 56.20 -47 07 10.4          19.8 R ER079E12
     K04RG4U  C2004 09 10.66999 22 59 58.25 -47 07 14.3          20.0 R ER079E12
     K04RG4U  C2004 09 10.68310 23 00 00.32 -47 07 18.4          19.4 R ER079E12
     K04RG4U  C2004 09 13.54554 23 07 43.32 -47 21 12.4          20.3 R ER079E12
     K04RG4U  C2004 09 13.55484 23 07 44.75 -47 21 14.2          20.2 R ER079E12
     K04RG4U  C2004 09 13.56417 23 07 46.05 -47 21 16.4          20.1 R ER079E12
     K04RG4U  C2004 09 13.57357 23 07 47.52 -47 21 16.9                 ER079E12
     K04RG4U  C2004 09 14.51301 23 10 17.76 -47 23 25.4          19.5 R ER079474
     K04RG4U  C2004 09 14.51720 23 10 18.31 -47 23 25.8          19.8 R ER079474
     K04RG4U  C2004 09 14.52138 23 10 18.94 -47 23 25.7          19.6 R ER079474
     K04RG4U  C2004 09 14.53105 23 10 21.08 -47 23 31.6          20.2 R ER079E12
     K04RG4U  C2004 09 14.53338 23 10 21.47 -47 23 31.0          20.1 R ER079E12
     K04RG4U  C2004 09 14.53572 23 10 21.70 -47 23 32.0          19.7 R ER079E12

Observer details:
474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore,
    P. M. Kilmartin.  Measurer P. M. Kilmartin.  0.6-m f/6.4 reflector + CCD.
E12 Siding Spring Survey.  Observer G. J. Garradd.  Measurers E. Beshore,
    E. Christensen, G. J. Garradd, R. Hill, S. Larsen, R. H. McNaught.  0.5-m
    Uppsala Schmidt + CCD.

Orbital elements:
2004 RU164
Epoch 2004 Sept. 12.0 TT = JDT 2453260.5                MPC
M 359.63846              (2000.0)            P               Q
n   0.15691433     Peri.  232.58086     +0.95656164     +0.21124976
a   3.4042986      Node   114.42295     -0.14404707     +0.94163194
e   0.6196375      Incl.   12.74725     -0.25345664     +0.26211225
P   6.28           H   20.5           G   0.15
From 14 observations 2004 Sept. 10-14.

Ephemeris:
2004 RU164               a,e,i = 3.40, 0.62, 13                  q = 1.2949
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2004 09 12    23 03.57   -47 14.9    0.363    1.295   136.7    32.2    20.2
2004 09 22    23 29.63   -47 02.2    0.387    1.298   132.9    34.5    20.4
2004 10 02    23 52.91   -44 58.4    0.418    1.312   130.6    35.4    20.6
2004 10 12    00 12.69   -41 29.1    0.457    1.336   129.4    35.3    20.9
2004 10 22    00 29.58   -36 59.7    0.506    1.369   128.6    34.6    21.1
2004 11 01    00 44.54   -31 55.2    0.566    1.411   127.7    33.8    21.4
2004 11 11    00 58.39   -26 37.1    0.637    1.460   126.2    33.2    21.7

Kyle E. Smalley              (C) Copyright 2004 MPC           M.P.E.C. 2004-R79

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