MPEC 2003-S18 : 2003 SC11

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M.P.E.C. 2003-S18                                Issued 2003 Sept. 18, 20:48 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 Steven and Michele Kirsch Foundation
             Prepared using the Tamkin Foundation Computer Network

                              MPC@CFA.HARVARD.EDU
          URL http://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714

                                   2003 SC11

Observations:
     K03S11C* C2003 09 17.31257 23 27 08.89 +07 00 52.3          20.8 V      691
     K03S11C  C2003 09 17.33957 23 27 06.12 +06 58 46.2          20.0 V      691
     K03S11C  C2003 09 17.36685 23 27 03.36 +06 56 38.2          20.5 V      691
     K03S11C HC2003 09 17.38834 23 27 01.17 +06 54 57.0                      291
     K03S11C HC2003 09 17.39459 23 27 00.63 +06 54 27.4                      291
     K03S11C HC2003 09 17.39864 23 27 00.18 +06 54 07.4                      291
     K03S11C 1C2003 09 17.71363 23 26 29.91 +06 29 48.8          19.7 R      413
     K03S11C  C2003 09 17.96823 23 26 06.47 +06 09 22.4          19.7 R      J95
     K03S11C  C2003 09 17.98269 23 26 04.95 +06 08 12.9          20.3 R      J95
     K03S11C  C2003 09 18.19333 23 25 45.01 +05 51 35.0          19.9 R      649
     K03S11C  C2003 09 18.19569 23 25 44.76 +05 51 23.6          19.8 R      649
     K03S11C  C2003 09 18.19806 23 25 44.54 +05 51 12.5          19.9 R      649
     K03S11C  C2003 09 18.20038 23 25 44.60 +05 51 03.2          20.6 V      291
     K03S11C  C2003 09 18.20043 23 25 44.24 +05 51 01.3          20.4 R      649
     K03S11C  C2003 09 18.20427 23 25 44.19 +05 50 44.3          20.4 V      291
     K03S11C  C2003 09 18.20809 23 25 43.81 +05 50 26.5          20.3 V      291
     K03S11C 1C2003 09 18.57576 23 25 07.81 +05 21 25.6          19.3 R      413
     K03S11C 1C2003 09 18.57877 23 25 07.48 +05 21 11.5          19.3 R      413

Observer details:
291 LPL/Spacewatch II.  Observer M. Block.  1.8-m f/2.7 reflector + CCD.
413 Siding Spring.  Observers G. J. Garradd, R. H. McNaught.  1.0-m f/8
    reflector + CCD.
649 Powell Observatory, Louisburg.  Observer R. Fredrick.  0.75-m Newtonian
    + CCD.
691 Steward Observatory, Kitt Peak.  Observer A. F. Tubbiolo.  0.9-m f/3
    reflector + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.30-m f/6.3 Schmidt-Cassegrain
    + CCD.

Orbital elements:
2003 SC11
Epoch 2003 Sept. 18.0 TT = JDT 2452900.5                MPC
M 284.07631              (2000.0)            P               Q
n   0.55586077     Peri.  285.70872     -0.24201314     -0.96984014
a   1.4649587      Node   177.62563     +0.90878710     -0.21611301
e   0.2956183      Incl.   44.38505     -0.33990534     +0.11271768
P   1.77           H   20.6           G   0.15
From 18 observations 2003 Sept. 17-18.

Ephemeris:
2003 SC11                a,e,i = 1.46, 0.30, 44                  q = 1.0319
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2003 09 18    23 26.06   +06 07.1    0.485    1.486   171.0     6.1    20.4
2003 09 23    23 17.89   -00 47.5    0.467    1.466   169.9     6.9    20.3
2003 09 28    23 09.66   -08 04.8    0.460    1.444   160.7    13.2    20.5
2003 10 03    23 01.83   -15 17.5    0.465    1.423   150.3    20.4    20.7
2003 10 08    22 54.79   -22 00.8    0.480    1.401   140.1    27.2    21.0
2003 10 13    22 48.88   -27 58.7    0.503    1.380   130.7    33.3    21.2
2003 10 18    22 44.34   -33 05.1    0.533    1.358   122.2    38.4    21.4
2003 10 23    22 41.35   -37 21.4    0.568    1.336   114.6    42.6    21.7
2003 10 28    22 40.00   -40 52.9    0.605    1.314   108.0    46.0    21.9

Kyle E. Smalley              (C) Copyright 2003 MPC           M.P.E.C. 2003-S18

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