MPEC 2003-G40 : 2000 WB1
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M.P.E.C. 2003-G40 Issued 2003 Apr. 9, 01:10 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
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2000 WB1
Revision to MPEC 2000-W07
Additional Observations:
K00W01B C2003 04 07.88434 06 59 34.51 +65 12 55.8 20.4 R 966
K00W01B C2003 04 07.92841 06 59 38.73 +65 11 42.8 20.0 R 966
K00W01B C2003 04 08.87690 07 01 12.90 +64 45 38.2 966
K00W01B C2003 04 08.91949 07 01 17.15 +64 44 27.4 20.0 R 966
Observer details:
966 Church Stretton. Observer S. P. Laurie. 0.35-m Schmidt-Cassegrain + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
030407 966 3.0+ 1.4+ 030408 966 4.0+ 1.6+ MPO 12253 -0.010 day
Orbital elements:
2000 WB1
Epoch 2003 June 10.0 TT = JDT 2452800.5 MPC
M 320.38487 (2000.0) P Q
n 0.66393422 Peri. 262.87310 +0.15866558 +0.95744170
a 1.3013257 Node 21.50914 -0.42029315 +0.28646308
e 0.6189631 Incl. 41.11587 -0.89340859 +0.03527453
P 1.48 H 17.7 G 0.15 U 4
Residuals in seconds of arc
001116 704 0.1- 0.1+ 001118 704 0.6- 0.2+ 001220 696 0.0 0.2+
001116 704 0.3- 0.5- 001118 704 0.2+ 0.4+ 001220 696 0.1+ 0.1+
001116 704 0.5- 0.7- 001118 704 0.2+ 0.1+ 001223 696 0.2+ 0.5+
001116 704 0.7- 1.0- 001118 557 0.4+ 0.1- 001223 696 0.0 0.5-
001118 704 0.0 0.2+ 001118 557 0.1- 0.3- 010323 568 0.1+ 0.0
001118 704 0.0 0.3- 001118 557 0.3- 0.1- 010323 568 0.1+ 0.0
001118 704 0.2- 0.1+ 001118 046 0.1+ 0.1- 010324 568 0.2- 0.1-
001118 704 0.2+ 0.3+ 001118 046 0.8+ 0.5+ 010324 568 0.1- 0.1-
001118 853 0.1+ 0.2+ 001118 046 0.6- 0.8+ 030407 966 0.4- 0.2-
001118 853 0.1+ 0.3+ 001118 046 0.3- 0.1+ 030407 966 0.4- 0.3+
001118 704 0.3+ 0.5- 001118 046 0.2+ 0.7- 030408 966 0.1+ 0.1-
001118 853 0.0 0.3+ 001119 704 0.1- 0.2+ 030408 966 0.7+ 0.2+
001118 704 0.3+ 0.0 001119 704 0.3+ 0.1+
001118 704 0.2+ 0.2+ 001119 704 0.2+ 0.1+
Ephemeris:
2000 WB1 a,e,i = 1.30, 0.62, 41 q = 0.4959
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2003 04 01 06 49.09 +68 21.6 1.398 1.674 86.9 36.6 21.0
2003 04 11 07 04.81 +63 47.2 1.413 1.607 81.5 38.1 21.0
2003 04 21 07 22.80 +59 09.5 1.425 1.534 76.1 39.5 21.0
2003 05 01 07 41.89 +54 25.7 1.432 1.455 70.8 40.8 20.9
2003 05 11 08 01.43 +49 32.8 1.432 1.370 65.6 42.2 20.8
2003 05 21 08 20.97 +44 26.5 1.424 1.278 60.5 43.6 20.7
Gareth V. Williams (C) Copyright 2003 MPC M.P.E.C. 2003-G40
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