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IAU Minor Planet Center

Minor Planet Center

MPEC 2005-T09 : 2005 SD71

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M.P.E.C. 2005-T09                                Issued 2005 Oct. 1, 16:36 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

                                   2005 SD71

Observations:
     K05S71D* C2005 09 30.72375 01 58 37.05 -17 08 26.5          20.1 V ET009E12
     K05S71D  C2005 09 30.72642 01 58 37.41 -17 08 19.4          20.1 V ET009E12
     K05S71D  C2005 09 30.72909 01 58 37.70 -17 08 15.3          19.6 V ET009E12
     K05S71D  C2005 09 30.73175 01 58 38.13 -17 08 09.5          20.2 V ET009E12
     K05S71D  C2005 09 30.77514 01 58 44.13 -17 06 37.3          20.0 V ET009E12
     K05S71D  C2005 10 01.31721 02 00 14.69 -16 49 03.4          20.5 R ET009651
     K05S71D  C2005 10 01.31843 02 00 14.79 -16 49 02.8          20.5 R ET009651
     K05S71D  C2005 10 01.31963 02 00 14.93 -16 49 01.6          20.5 R ET009651
     K05S71D  C2005 10 01.59928 02 00 57.78 -16 37 27.9          19.5 R ET009474
     K05S71D  C2005 10 01.60126 02 00 58.04 -16 37 23.6          19.2 R ET009474
     K05S71D  C2005 10 01.60311 02 00 58.27 -16 37 19.5          19.3 R ET009474
     K05S71D  C2005 10 01.65648 02 01 06.92 -16 35 41.6          20.3 V ET009E12
     K05S71D  C2005 10 01.65802 02 01 07.06 -16 35 36.6          19.8 V ET009E12
     K05S71D  C2005 10 01.65955 02 01 07.32 -16 35 33.8          19.6 V ET009E12
     K05S71D  C2005 10 01.66108 02 01 07.53 -16 35 29.5          20.0 V ET009E12

Observer details:
474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore,
    P. M. Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
651 Grasslands Observatory, Tucson.  Observer J. E. McGaha.  0.62-m f/5.1
    Newtonian reflector + CCD.
E12 Siding Spring Survey.  Observer R. H. McNaught.  Measurers E. C. Beshore,
    C. M. Casey, E. J. Christensen, G. J. Garradd, A. D. Grauer, R. E. Hill,
    S. M. Larson, R. H. McNaught.  0.5-m Uppsala Schmidt + CCD.

Orbital elements:
2005 SD71
Epoch 2005 Sept. 27.0 TT = JDT 2453640.5                MPC
M 344.28004              (2000.0)            P               Q
n   0.51438939     Peri.  354.44260     +0.81578129     -0.57534168
a   1.5426760      Node    40.86712     +0.53404939     +0.71017783
e   0.3028274      Incl.    5.17486     +0.22201833     +0.40574549
P   1.92           H   23.4           G   0.15
From 15 observations 2005 Sept. 30-Oct. 1.

Ephemeris:
2005 SD71                a,e,i = 1.54, 0.30, 5                   q = 1.0755
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2005 09 27    01 48.99   -19 01.8    0.124    1.110   149.0    27.7    20.3
2005 10 02    02 02.03   -16 23.5    0.113    1.100   150.2    26.8    20.1
2005 10 07    02 15.62   -12 49.8    0.103    1.092   152.1    25.4    19.8
2005 10 12    02 29.72   -08 14.6    0.0953   1.085   154.6    23.3    19.6
2005 10 17    02 44.22   -02 38.4    0.0895   1.080   157.5    20.6    19.3
2005 10 22    02 58.81   +03 47.6    0.0860   1.077   160.7    17.8    19.2
2005 10 27    03 13.06   +10 40.8    0.0850   1.076   163.3    15.4    19.1
2005 11 01    03 26.55   +17 31.6    0.0865   1.076   164.8    14.0    19.0
2005 11 06    03 38.96   +23 51.3    0.0905   1.079   165.0    13.8    19.1
2005 11 11    03 50.10   +29 19.6    0.0968   1.084   164.1    14.5    19.3
2005 11 16    03 59.86   +33 47.9    0.105    1.090   163.0    15.4    19.5
2005 11 21    04 08.18   +37 16.5    0.115    1.098   161.9    16.2    19.8
2005 11 26    04 15.12   +39 50.6    0.127    1.108   161.0    16.9    20.0
2005 12 01    04 20.95   +41 37.8    0.141    1.120   160.1    17.5    20.3
2005 12 06    04 26.07   +42 46.1    0.156    1.132   159.1    18.1    20.6
2005 12 11    04 30.88   +43 23.3    0.173    1.147   157.9    18.9    20.9
2005 12 16    04 35.66   +43 36.1    0.192    1.162   156.4    19.8    21.1
2005 12 21    04 40.58   +43 30.2    0.212    1.179   154.6    21.0    21.4
2005 12 26    04 45.80   +43 10.0    0.235    1.197   152.5    22.3    21.7

Brian G. Marsden             (C) Copyright 2005 MPC           M.P.E.C. 2005-T09

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