MPEC 2009-Y39 : 2006 WS195
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M.P.E.C. 2009-Y39 Issued 2009 Dec. 21, 16:51 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://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714
2006 WS195
Revision to MPEC 2007-A03
Additional Observations:
K06WJ5S C2004 09 12.57200 02 23 44.70 -06 06 57.1 23.8 V EY039568
K06WJ5S C2004 09 12.61894 02 23 44.55 -06 06 58.8 EY039568
K06WJ5S C2004 09 13.53563 02 23 41.36 -06 07 28.4 EY039568
K06WJ5S C2004 09 13.56745 02 23 41.24 -06 07 29.3 EY039568
K06WJ5S C2004 09 14.53884 02 23 37.80 -06 08 00.8 EY039568
K06WJ5S C2004 09 14.57000 02 23 37.66 -06 08 02.0 EY039568
Observer details:
568 Mauna Kea. Observer Q. service observers. Measurer D. D. Balam. 3.6-m
Canada-France-Hawaii Telescope + MegaCam.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
040912 568 0.3+ 9.7+ 040914 568 0.0 10.2+ MPO113003 +4.9 day
Orbital elements:
2006 WS195
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 70.42719 (2000.0) P Q
n 0.00394760 Peri. 232.96763 +0.31851620 +0.81766332
a 39.6503508 Node 62.55446 -0.60282883 +0.56514850
e 0.2420034 Incl. 32.70923 -0.73153594 -0.10969904
P 250 H 8.2 G 0.15 U 5
Residuals in seconds of arc
040912 568 0.1+ 0.2- 061117 568 0.1+ 0.0 061220 568 0.1+ 0.1-
040912 568 0.3+ 0.4- 061117 568 0.1+ 0.1+ 061220 568 0.2+ 0.1-
040913 568 0.0 0.0 061121 568 0.1- 0.0 061220 568 0.0 0.1-
040913 568 0.0 0.1+ 061121 568 0.1+ 0.1- 061223 568 0.1- 0.1+
040914 568 0.0 0.4+ 061121 568 0.0 0.0 061223 568 0.0 0.1+
040914 568 0.4- 0.2+ 061124 568 0.0 0.0 061223 568 0.0 0.2+
061114 568 0.1- 0.1+ 061124 568 0.1- 0.0 061226 568 0.1- 0.1+
061114 568 0.0 0.0 061212 568 0.1+ 0.1- 061226 568 0.1- 0.0
061114 568 0.0 0.0 061212 568 0.1+ 0.1- 061226 568 0.0 0.0
061117 568 0.0 0.1+ 061212 568 0.0 0.2-
Ephemeris:
2006 WS195 a,e,i = 39.65, 0.24, 33 q = 30.055
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 12 15 02 37.24 -00 47.8 38.009 38.671 131.7 1.1 24.2
2009 12 25 02 36.66 -00 46.0 38.147 38.678 122.0 1.2 24.2
2010 01 04 02 36.23 -00 43.1 38.302 38.684 112.2 1.3 24.2
2010 01 14 02 35.95 -00 39.2 38.468 38.691 102.4 1.4 24.3
2010 01 24 02 35.84 -00 34.3 38.641 38.698 92.6 1.5 24.3
2010 02 03 02 35.90 -00 28.5 38.816 38.704 82.8 1.4 24.3
2010 02 13 02 36.12 -00 22.1 38.987 38.711 73.1 1.4 24.3
2010 02 23 02 36.51 -00 15.0 39.149 38.718 63.5 1.3 24.3
Brian G. Marsden (C) Copyright 2009 MPC M.P.E.C. 2009-Y39
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