MPEC 2000-N33 : 1998 WT
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M.P.E.C. 2000-N33 Issued 2000 July 14, 19:07 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.
Prepared using the Tamkin Foundation Computer Network
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
1998 WT
Revision to MPEC 1998-W15
Observations:
J98W00T 2 1955 10 24.43333 04 34 10.83 +33 37 33.7 261
J98W00T 2 1955 10 24.43889 04 34 09.02 +33 37 30.7 261
J98W00T 2 1955 10 24.44236 04 34 07.90 +33 37 28.6 261
J98W00T 2 1955 10 24.47708 04 33 56.84 +33 37 09.1 261
Observer details:
261 Palomar Mountain-DSS. Measurers A. Boattini, M. Tombelli, G. Forti,
G. D'Abramo. 1.2-m Oschin Schmidt.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
551024 261 2.49+ 0.47- 551024 261 2.50+ 0.46- MPC 36905 -2.2 day
Orbital elements:
1998 WT PHA 0.033
Epoch 2000 Sept. 13.0 TT = JDT 2451800.5 Williams
M 198.98308 (2000.0) P Q
n 0.73285820 Peri. 324.38798 +0.03790874 +0.99830030
a 1.2183987 Node 307.74315 -0.90336880 +0.01529970
e 0.5699543 Incl. 3.20900 -0.42718583 +0.05623557
P 1.34 H 17.5 G 0.15 U 5
Residuals in seconds of arc
551024 261 0.2- 0.2- 981119 734 0.4- 0.2+ 981124 118 0.9- 0.1+
551024 261 0.0 0.2+ 981119 734 0.4- 0.1+ 981124 118 0.8- 0.1+
551024 261 0.2+ 0.3+ 981119 734 0.1- 0.2+ 981124 046 0.9- 0.5+
551024 261 (4.3+ 2.4+) 981119 704 0.3- 0.0 981124 046 0.7- 0.5+
981114 704 0.1+ 0.3- 981119 704 (0.7- 2.3-) 981124 046 0.6- 0.5+
981114 704 0.6- 0.5+ 981119 704 1.2- 0.3- 981125 402 0.2- 0.1-
981114 704 0.3- 0.4+ 981119 704 0.3+ 0.8- 981125 402 0.2- 0.0
981114 704 0.1- 0.4+ 981119 704 0.8- 0.6- 981125 402 0.4- 0.5+
981114 704 0.4- 0.8+ 981119 402 0.4+ 0.1- 981125 360 0.2- 0.1+
981116 704 0.0 0.9- 981119 402 0.1+ 0.2- 981125 360 0.4- 0.2+
981116 704 1.1+ 1.1- 981119 402 0.3+ 0.2+ 981125 360 0.3- 0.1+
981116 704 (2.0+ 2.4-) 981119 402 0.3+ 0.2+ 981209 046 0.0 0.7+
981116 704 0.3+ 1.8- 981119 426 0.5+ 0.1- 981209 046 0.1+ 0.2+
981116 704 2.0+ 0.8- 981119 426 0.2- 0.1- 981209 046 0.0 0.2+
981117 108 (0.4+ 3.3-) 981119 426 0.1- 0.2- 981209 046 0.1+ 0.3+
981117 108 0.9+ 1.1- 981120 049 0.6+ 0.8+ 981214 658 0.3- 1.1+
981117 108 1.1+ 1.3- 981120 049 0.8+ 0.8+ 981214 658 0.8- 0.5+
981118 711 0.4+ 0.8+ 981120 049 0.0 0.8+ 981214 658 0.5- 0.5+
981118 711 0.4- 0.2- 981122 836 0.2- 0.9+ 981215 046 0.5+ 1.0-
981118 711 0.1- 0.1+ 981122 836 1.0- 0.9- 981215 046 0.7+ 0.6-
981118 046 0.3+ 0.4+ 981122 836 1.6+ 0.5+ 981215 046 0.2+ 0.5-
981118 046 0.0 0.0 981123 118 0.1- 0.1- 981215 046 0.2+ 0.5-
981118 046 0.1- 0.4+ 981123 118 0.0 0.3- 981218 402 0.1- 0.4-
981118 046 0.6- 0.1- 981123 118 0.1- 0.5- 981218 402 1.2+ 1.4-
981118 836 0.0 0.1+ 981123 118 0.2- 0.2- 981218 402 0.3+ 0.1+
981119 836 (2.7+ 0.3+) 981123 118 0.3- 0.4-
981119 836 1.7+ 1.4+ 981124 118 1.0- 0.2+
Gareth V. Williams (C) Copyright 2000 MPC M.P.E.C. 2000-N33
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