MPEC 2009-W07 : 2009 WB
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M.P.E.C. 2009-W07 Issued 2009 Nov. 16, 18:17 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 WB
Observations:
K09W00B* C2009 11 16.21331 02 11 55.93 -12 44 29.4 18.4 V EW007703
K09W00B C2009 11 16.22066 02 11 58.12 -12 41 27.2 18.4 V EW007703
K09W00B C2009 11 16.22804 02 12 00.28 -12 38 25.7 18.5 V EW007703
K09W00B C2009 11 16.25788 02 12 09.06 -12 26 02.9 18.3 R EW007651
K09W00B C2009 11 16.25879 02 12 09.30 -12 25 40.4 18.2 R EW007651
K09W00B C2009 11 16.26015 02 12 09.73 -12 25 06.3 18.3 R EW007651
K09W00B C2009 11 16.27884 02 12 15.30 -12 17 23.6 18.1 V EW007703
K09W00B C2009 11 16.27943 02 12 15.44 -12 17 09.7 18.5 V EW007703
K09W00B C2009 11 16.28003 02 12 15.55 -12 16 55.2 17.8 V EW007703
K09W00B C2009 11 16.28065 02 12 15.73 -12 16 39.5 18.2 V EW007703
K09W00B C2009 11 16.34550 02 12 35.30 -11 49 37.8 18.5 R EW007926
K09W00B C2009 11 16.34681 02 12 35.71 -11 49 05.5 18.4 R EW007926
K09W00B C2009 11 16.34811 02 12 36.11 -11 48 33.0 18.7 R EW007926
Observer details:
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. 0.62-m f/5.1
Newtonian reflector + CCD.
703 Catalina Sky Survey. Observer R. A. Kowalski. Measurers E. C. Beshore,
A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer, R. E. Hill,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 0.68-m Schmidt + CCD.
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 WB Earth MOID = 0.0339 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 35.37555 (2000.0) P Q
n 0.53725180 Peri. 336.36935 +0.82481911 -0.54282476
a 1.4985945 Node 57.44756 +0.54404896 +0.68584964
e 0.3292296 Incl. 10.81501 +0.15389659 +0.48471802
P 1.83 H 24.2 G 0.15 U 9
Residuals in seconds of arc
091116 703 0.2- 0.0 091116 651 0.5+ 0.3+ 091116 926 0.0 0.3+
091116 703 0.0 0.5+ 091116 703 0.7+ 0.7+ 091116 926 0.0 0.1-
091116 703 0.2- 0.7- 091116 703 0.2+ 0.1- 091116 926 0.0 0.2-
091116 651 0.5+ 0.1+ 091116 703 0.8- 0.5-
091116 651 0.1+ 0.0 091116 703 0.8- 0.3-
Ephemeris:
2009 WB a,e,i = 1.50, 0.33, 11 q = 1.0052
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 11 15 02 04.10 -20 49.7 0.0380 1.017 136.5 42.1 18.8
2009 11 20 02 34.95 +12 52.4 0.0392 1.026 162.7 16.7 18.1
2009 11 25 03 02.26 +36 32.4 0.0524 1.036 159.4 19.6 18.9
2009 11 30 03 25.82 +48 48.0 0.0715 1.049 150.4 27.6 19.8
2009 12 05 03 45.74 +55 07.1 0.0933 1.064 145.4 31.8 20.5
2009 12 10 04 02.42 +58 27.6 0.117 1.080 142.6 33.7 21.1
2009 12 15 04 16.55 +60 09.6 0.141 1.097 141.0 34.4 21.6
2009 12 20 04 28.92 +60 51.9 0.167 1.117 139.9 34.6 22.0
2009 12 25 04 40.15 +60 55.4 0.193 1.137 139.1 34.5 22.3
Sonia Keys (C) Copyright 2009 MPC M.P.E.C. 2009-W07
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