MPEC 2003-S17 : 1998 SO
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M.P.E.C. 2003-S17 Issued 2003 Sept. 18, 15:11 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
1998 SO
Revision to MPEC 1998-S07
Additional Observations:
J98S00O 1C2003 09 17.66393 00 34 38.26 +01 00 38.1 18.2 R 413
J98S00O 1C2003 09 17.66543 00 34 37.65 +01 00 28.0 18.3 R 413
J98S00O 1C2003 09 17.66693 00 34 37.04 +01 00 18.2 18.3 R 413
J98S00O 1C2003 09 18.56352 00 28 42.838-00 39 08.68 18.1 R 413
J98S00O 1C2003 09 18.56503 00 28 42.219-00 39 18.75 18.3 R 413
J98S00O 1C2003 09 18.56653 00 28 41.597-00 39 28.74 18.0 R 413
Observer details:
413 Siding Spring. Observers G. J. Garradd, R. H. McNaught. 1.0-m f/8
reflector + CCD.
Orbital elements:
1998 SO PHA 0.002
Epoch 2003 Dec. 27.0 TT = JDT 2453000.5 MPC
M 342.81784 (2000.0) P Q
n 1.57593866 Peri. 359.80700 -0.99758127 -0.06082186
a 0.7313240 Node 176.18190 +0.06443200 -0.99075840
e 0.6986200 Incl. 30.35373 +0.02607938 +0.12123738
P 0.63 H 20.7 G 0.15 U 6
Residuals in seconds of arc
980916 691 0.2- 0.9- 980917 587 0.7+ 0.6+ 980920 046 0.7+ 0.3+
980916 691 0.6- 1.0- 980917 587 0.2+ 0.3+ 980920 046 1.0+ 0.1-
980916 691 0.2- 0.4- 980918 704 0.3+ 1.4- 980923 587 0.8+ 0.8+
980916 691 0.3- 0.2- 980918 704 1.3+ 0.6+ 980923 587 0.3+ 0.1+
980916 691 0.1+ 0.7+ 980918 704 0.5- 1.7+ 980923 587 0.4+ 0.2+
980916 691 0.5+ 0.1- 980918 704 0.8- 0.4- 980923 046 0.5+ 0.7+
980916 691 0.1+ 0.5+ 980918 704 0.3- 0.8- 980923 046 1.0- 1.3-
980916 691 1.0+ 0.2- 980918 422 0.7- 0.3+ 980923 046 0.7- 0.4-
980916 691 0.5+ 0.3+ 980918 422 0.3- 0.5+ 980923 046 0.6- 0.8+
980916 691 1.2+ 0.5+ 980918 422 0.2- 0.2+ 980924 046 0.2+ 0.9+
980917 691 0.3+ 0.1- 980918 422 0.4- 0.5+ 980924 046 0.1- 0.1-
980917 691 0.3- 0.1+ 980918 426 1.1- 0.2+ 980924 046 0.4+ 0.2-
980917 691 0.2+ 0.6- 980918 426 0.5- 0.6+ 980924 046 0.3+ 0.2+
980917 693 0.1+ 0.9- 980918 426 0.1+ 0.0 980927 422 1.0+ 0.3-
980917 693 0.7+ 0.6- 980918 426 1.6- 0.4- 980927 422 0.3- 0.1+
980917 691 0.4+ 0.3- 980918 426 0.5- 1.1- 980927 422 0.8+ 1.3-
980917 691 0.2- 0.4+ 980919 422 0.5- 0.5+ 980927 422 0.1- 0.6-
980917 422 0.3- 0.4+ 980919 422 0.3- 0.3+ 030917 413 0.0 0.0
980917 422 0.5+ 0.5- 980919 422 0.6- 0.0 030917 413 0.0 0.2-
980917 422 1.0- 0.3- 980919 402 0.8- 0.0 030917 413 0.1- 0.1-
980917 422 0.1- 0.1+ 980919 402 0.6- 0.1- 030918 413 0.0 0.3-
980917 422 0.3- 0.5+ 980919 402 0.3- 0.2+ 030918 413 0.0 0.2-
980917 587 1.2+ 0.7+ 980920 046 0.6+ 0.3+ 030918 413 0.0 0.1-
Ephemeris:
1998 SO a,e,i = 0.73, 0.70, 30 q = 0.2204
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2003 09 18 00 32.45 +00 23.4 0.242 1.241 166.7 10.7 18.8
2003 09 28 23 21.93 -18 07.4 0.245 1.230 156.0 19.3 19.1
2003 10 08 22 18.18 -30 53.8 0.297 1.206 128.1 40.7 20.1
2003 10 18 21 34.51 -37 11.0 0.372 1.167 108.0 54.3 20.9
2003 10 28 21 08.58 -40 09.9 0.452 1.113 93.0 63.1 21.4
2003 11 07 20 53.69 -41 46.1 0.525 1.044 80.7 69.6 21.8
Timothy B. Spahr (C) Copyright 2003 MPC M.P.E.C. 2003-S17
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