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IAU Minor Planet Center

Minor Planet Center

MPEC 2004-R45 : 2004 RB11

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M.P.E.C. 2004-R45                                Issued 2004 Sept.  9, 11:01 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 RB11

Observations:
     K04R11B* C2004 09 08.29496 01 23 19.80 +01 00 28.6          18.4   ER045704
     K04R11B  C2004 09 08.30658 01 23 32.61 +01 00 50.4          18.5   ER045704
     K04R11B  C2004 09 08.31836 01 23 45.55 +01 01 12.7          18.3   ER045704
     K04R11B  C2004 09 08.33038 01 23 58.72 +01 01 35.7          18.3   ER045704
     K04R11B  C2004 09 08.34203 01 24 11.41 +01 01 57.2          18.7   ER045704
     K04R11B  C2004 09 08.91830 01 35 11.72 +01 19 04.1          17.3 R ER045143
     K04R11B  C2004 09 08.92803 01 35 22.35 +01 19 21.2          17.5 R ER045143
     K04R11B  C2004 09 08.93172 01 35 26.36 +01 19 28.2          17.9 R ER045143
     K04R11B  C2004 09 08.94144 01 35 35.93 +01 19 39.5                 ER045246
     K04R11B  C2004 09 08.94233 01 35 36.95 +01 19 41.3                 ER045246
     K04R11B  C2004 09 08.94336 01 35 38.05 +01 19 43.0                 ER045246
     K04R11B  C2004 09 08.94380 01 35 38.41 +01 19 43.6          17.4 R ER045246
     K04R11B  C2004 09 08.94415 01 35 38.83 +01 19 44.5                 ER045246
     K04R11B  C2004 09 09.38223 01 43 35.94 +01 33 01.8          19.1 R ER045734
     K04R11B  C2004 09 09.38300 01 43 36.67 +01 33 03.5          18.7 R ER045734
     K04R11B  C2004 09 09.38377 01 43 37.31 +01 33 04.9          18.2 R ER045734
     K04R11B  C2004 09 09.38454 01 43 38.12 +01 33 05.4          19.1 R ER045734
     K04R11B  C2004 09 09.44248 01 44 40.10 +01 35 04.1          18.8 R ER045854
     K04R11B  C2004 09 09.44336 01 44 40.94 +01 35 05.8          19.3 R ER045854
     K04R11B  C2004 09 09.44684 01 44 44.43 +01 35 12.5          18.9 R ER045854

Observer details:
143 Gnosca.  Observer S. Sposetti.  0.40-m f/4 reflector + CCD.
246 Klet Observatory-KLENOT.  Observer M. Tichy.  1.06-m KLENOT Telescope
    + 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.
734 Farpoint Observatory.  Observer W. Leifer.  Measurer G. Hug.  0.4-m f/6
    Schmidt-Cassegrain + CCD.
854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.36-m f/10.0
    Schmidt-Cassegrain + CCD.

Orbital elements:
2004 RB11
Epoch 2004 Aug. 23.0 TT = JDT 2453240.5                 MPC
M 352.36913              (2000.0)            P               Q
n   0.32068451     Peri.  193.95918     +0.99718191     +0.07296546
a   2.1138981      Node   161.82927     -0.06234113     +0.93527275
e   0.5078632      Incl.    3.20652     -0.04173503     +0.34632489
P   3.07           H   24.0           G   0.15
From 19 observations 2004 Sept. 8-9.

Ephemeris:
2004 RB11                a,e,i = 2.11, 0.51, 3                   q = 1.0403
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2004 09 02    23 15.37   -02 27.9    0.045    1.053   170.8     8.8    18.0
2004 09 04    23 55.22   -01 23.4    0.043    1.050   163.4    16.0    18.2
2004 09 06    00 36.87   -00 14.3    0.043    1.047   155.0    24.0    18.4
2004 09 08    01 17.48   +00 52.9    0.044    1.045   146.8    31.9    18.7
2004 09 10    01 54.58   +01 52.2    0.046    1.043   139.4    39.0    19.0
2004 09 12    02 26.81   +02 40.8    0.050    1.041   133.2    44.8    19.3
2004 09 14    02 53.91   +03 18.9    0.055    1.041   128.3    49.4    19.6
2004 09 16    03 16.31   +03 48.1    0.060    1.040   124.5    52.8    19.9
2004 09 18    03 34.69   +04 10.3    0.065    1.041   121.8    55.1    20.2
2004 09 20    03 49.77   +04 27.4    0.071    1.042   119.9    56.7    20.4
2004 09 22    04 02.17   +04 40.7    0.077    1.043   118.7    57.6    20.6
2004 09 24    04 12.43   +04 51.3    0.084    1.045   118.0    58.0    20.8
2004 09 26    04 20.93   +04 59.9    0.090    1.048   117.7    57.9    21.0
2004 09 28    04 28.00   +05 06.9    0.097    1.051   117.8    57.5    21.1
2004 09 30    04 33.88   +05 12.9    0.103    1.054   118.2    56.9    21.2
2004 10 02    04 38.75   +05 17.9    0.110    1.058   118.8    55.9    21.4
2004 10 04    04 42.76   +05 22.3    0.117    1.063   119.7    54.8    21.5
2004 10 06    04 46.01   +05 26.3    0.123    1.068   120.7    53.6    21.6
2004 10 08    04 48.60   +05 30.0    0.130    1.074   122.0    52.1    21.6
2004 10 10    04 50.61   +05 33.6    0.137    1.080   123.3    50.6    21.7
2004 10 12    04 52.09   +05 37.1    0.143    1.086   124.8    49.0    21.8

Timothy B. Spahr             (C) Copyright 2004 MPC           M.P.E.C. 2004-R45

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