MPEC 2009-U139: 2009 UW87
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Read MPEC 2009-U138
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M.P.E.C. 2009-U139 Issued 2009 Oct. 31, 01:13 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
2009 UW87
Revision to MPEC 2009-U119
Additional Observations:
K09U87W C2009 10 30.24648 02 13 14.63 -04 56 33.0 18.4 R EU139926
K09U87W C2009 10 30.24780 02 13 19.77 -04 57 14.0 18.7 R EU139926
K09U87W C2009 10 30.24911 02 13 24.92 -04 57 55.2 18.6 R EU139926
Observer details:
926 Tenagra II Observatory. Observers P. R. Holvorcem, M. Schwartz. Measurer
P. R. Holvorcem. 0.81-m f/7 Ritchey-Chretien + CCD.
Orbital elements:
2009 UW87 Earth MOID = 0.0033 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 11.15515 (2000.0) P Q
n 0.36488669 Peri. 234.50348 +0.10183349 -0.99474335
a 1.9395339 Node 209.65724 +0.91960549 +0.09825286
e 0.5424075 Incl. 1.24515 +0.37941492 +0.02884527
P 2.70 H 28.0 G 0.15 U 7
Residuals in seconds of arc
091027 G96 0.4+ 0.0 091027 H01 0.2- 0.3+ 091027 G96 1.0+ 0.4+
091027 G96 0.4+ 0.3+ 091027 H01 0.2- 0.2+ 091030 926 0.3- 0.4-
091027 G96 0.1+ 0.3- 091027 H01 0.0 0.2+ 091030 926 0.6- 0.0
091027 G96 0.1- 0.2+ 091027 H01 0.3- 0.1- 091030 926 0.3- 0.0
091027 G96 0.6+ 0.0 091027 G96 0.1+ 0.2-
091027 G96 0.2+ 0.6- 091027 G96 0.3- 0.1-
Ephemeris:
2009 UW87 a,e,i = 1.94, 0.54, 1 q = 0.8875
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 10 26 00 55.43 +04 50.5 0.0347 1.027 162.0 17.4 21.7
2009 10 27 01 00.91 +04 08.9 0.0284 1.021 161.9 17.6 21.2
2009 10 28 01 09.50 +03 04.4 0.0223 1.015 162.2 17.4 20.7
2009 10 29 01 24.70 +01 10.8 0.0161 1.009 162.9 16.8 20.0
2009 10 30 01 57.96 -02 56.7 0.0102 1.003 162.7 17.1 19.0
2009 10 31 03 48.65 -15 21.2 0.00521 0.997 143.5 36.4 18.1
2009 11 01 09 01.94 -24 41.0 0.00532 0.991 75.8 103.9 20.4
2009 11 02 11 00.89 -17 04.7 0.0104 0.986 49.9 129.7 23.7
2009 11 03 11 35.80 -13 45.5 0.0163 0.980 42.8 136.6 25.4
2009 11 04 11 51.66 -12 07.3 0.0224 0.975 40.1 139.0 26.4
2009 11 05 12 00.70 -11 10.1 0.0286 0.969 39.1 139.9 27.1
Gareth V. Williams (C) Copyright 2009 MPC M.P.E.C. 2009-U139
Read MPEC 2009-U138
Read MPEC 2009-U140
