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IAU Minor Planet Center

Minor Planet Center

MPEC 2005-S28 : 2005 SG

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M.P.E.C. 2005-S28                                Issued 2005 Sept. 22, 19:15 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 SG

Observations:
     K05S00G* C2005 09 21.69343 04 41 41.53 -53 15 14.0          18.8 V ES028E12
     K05S00G  C2005 09 21.70660 04 41 33.64 -53 15 23.4          18.8 V ES028E12
     K05S00G  C2005 09 21.71976 04 41 25.69 -53 15 32.7          19.0 V ES028E12
     K05S00G  C2005 09 21.73290 04 41 17.73 -53 15 42.3          18.9 V ES028E12
     K05S00G 1C2005 09 21.76528 04 40 58.236-53 16 04.67         18.5 R ES028413
     K05S00G 1C2005 09 21.76942 04 40 55.736-53 16 07.51         18.5 R ES028413
     K05S00G 1C2005 09 21.79531 04 40 40.036-53 16 24.26         18.5 R ES028413
     K05S00G 1C2005 09 21.79946 04 40 37.534-53 16 26.78         18.4 R ES028413
     K05S00G 1C2005 09 22.57081 04 32 56.80 -53 23 42.4          18.6 R ES028413
     K05S00G 1C2005 09 22.57710 04 32 52.87 -53 23 46.3          19.0 R ES028413
     K05S00G 1C2005 09 22.58125 04 32 50.30 -53 23 49.0          18.8 R ES028413
     K05S00G 1C2005 09 22.78656 04 30 40.01 -53 25 43.6          18.7 R ES028413
     K05S00G 1C2005 09 22.79071 04 30 37.34 -53 25 45.7          18.5 R ES028413

Observer details:
413 Siding Spring.  Observer R. H. McNaught.  1.0-m f/8 reflector + CCD.
E12 Siding Spring Survey.  Observer G. J. Garradd.  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 SG
Epoch 2005 Sept. 7.0 TT = JDT 2453620.5                 MPC
M  84.51986              (2000.0)            P               Q
n   1.01199224     Peri.  205.74547     -0.68394034     +0.69264635
a   0.9825423      Node    23.52084     -0.52986987     -0.25581611
e   0.2830864      Incl.   35.02657     -0.50146139     -0.67438798
P   0.97           H   19.3           G   0.15
From 13 observations 2005 Sept. 21-22.

Ephemeris:
2005 SG                  a,e,i = 0.98, 0.28, 35                  q = 0.7044
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2005 09 17    05 21.21   -52 01.2    0.317    1.077    94.5    68.5    19.4
2005 09 27    03 41.67   -53 21.5    0.256    1.117   110.3    57.3    18.7
2005 10 07    01 25.05   -44 47.7    0.222    1.153   129.2    42.2    18.0
2005 10 17    23 49.07   -25 45.9    0.238    1.183   137.6    34.6    18.0
2005 10 27    23 03.17   -08 55.8    0.301    1.209   129.8    39.1    18.7
2005 11 06    22 43.53   +02 00.2    0.391    1.230   119.1    44.8    19.4
2005 11 16    22 37.17   +09 06.6    0.492    1.245   109.9    48.3    20.0
2005 11 26    22 38.21   +14 09.3    0.595    1.255   102.1    50.2    20.5
2005 12 06    22 43.96   +18 06.4    0.697    1.260    95.5    51.1    20.9
2005 12 16    22 53.00   +21 28.8    0.794    1.260    89.6    51.4    21.2
2005 12 26    23 04.55   +24 32.9    0.883    1.254    84.3    51.3    21.4
2006 01 05    23 18.26   +27 28.4    0.961    1.243    79.5    51.0    21.6
2006 01 15    23 33.98   +30 21.1    1.028    1.227    75.2    50.8    21.7
2006 01 25    23 51.72   +33 13.7    1.080    1.206    71.3    50.6    21.8
2006 02 04    00 11.74   +36 07.5    1.119    1.180    67.9    50.7    21.8
2006 02 14    00 34.39   +39 02.0    1.141    1.148    64.8    51.1    21.8
2006 02 24    01 00.26   +41 54.4    1.147    1.112    62.2    51.9    21.7
2006 03 06    01 30.21   +44 39.3    1.136    1.072    60.0    53.3    21.7

Timothy B. Spahr             (C) Copyright 2005 MPC           M.P.E.C. 2005-S28

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