MPEC 2009-W45 : 2009 WF7
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M.P.E.C. 2009-W45 Issued 2009 Nov. 19, 23:50 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 WF7
Observations:
K09W07F* C2009 11 19.32553 03 44 33.50 +11 37 55.3 19.6 V EW045G96
K09W07F C2009 11 19.33067 03 44 32.89 +11 37 58.9 19.5 V EW045G96
K09W07F C2009 11 19.33598 03 44 32.24 +11 38 02.4 19.5 V EW045G96
K09W07F C2009 11 19.34123 03 44 31.63 +11 38 06.0 19.6 V EW045G96
K09W07F C2009 11 19.39661 03 44 25.08 +11 38 42.2 19.8 V EW045G96
K09W07F C2009 11 19.39995 03 44 24.72 +11 38 44.3 19.5 V EW045G96
K09W07F C2009 11 19.40330 03 44 24.32 +11 38 46.5 19.5 V EW045G96
K09W07F C2009 11 19.40666 03 44 23.92 +11 38 49.0 19.4 V EW045G96
K09W07F C2009 11 19.45668 03 44 18.06 +11 39 21.4 20.5 R EW045926
K09W07F C2009 11 19.45940 03 44 17.73 +11 39 23.5 20.5 R EW045926
K09W07F C2009 11 19.46212 03 44 17.41 +11 39 25.8 20.6 R EW045926
K09W07F C2009 11 19.88937 03 43 29.23 +11 44 06.5 20.1 V EW045A74
K09W07F C2009 11 19.90547 03 43 27.36 +11 44 16.8 19.8 V EW045A74
K09W07F C2009 11 19.92155 03 43 25.50 +11 44 27.3 20.1 V EW045A74
Observer details:
926 Tenagra II Observatory. Observers P. R. Holvorcem, M. Schwartz. Measurer
P. R. Holvorcem. 0.81-m f/7 Ritchey-Chretien + CCD.
A74 Bergen-Enkheim Observatory. Observer U. Suessenberger. 0.4-m f/4
reflector + CCD.
G96 Mt. Lemmon Survey. Observer A. R. Gibbs. 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. 1.5-m reflector + CCD.
Orbital elements:
2009 WF7 Earth MOID = 0.1784 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 54.71748 (2000.0) P Q
n 0.28429475 Peri. 242.60781 +0.58571285 +0.74318377
a 2.2906399 Node 67.02169 -0.56227904 +0.65998893
e 0.5496901 Incl. 20.56833 -0.58376600 +0.10996588
P 3.47 H 18.4 G 0.15 U 9
Residuals in seconds of arc
091119 G96 0.1+ 0.1- 091119 G96 0.2+ 0.2- 091119 926 0.1- 0.4+
091119 G96 0.1+ 0.1+ 091119 G96 0.1+ 0.2- 091119 A74 0.1- 0.3+
091119 G96 0.2- 0.1+ 091119 G96 0.1+ 0.1+ 091119 A74 0.0 0.1-
091119 G96 0.1- 0.2+ 091119 926 0.1+ 0.4- 091119 A74 0.1+ 0.2-
091119 G96 0.3- 0.1- 091119 926 0.1- 0.1-
Ephemeris:
2009 WF7 a,e,i = 2.29, 0.55, 21 q = 1.0315
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 11 15 03 53.06 +10 49.4 0.882 1.862 169.1 5.8 19.9
2009 11 25 03 34.18 +12 39.3 0.955 1.934 169.5 5.4 20.2
2009 12 05 03 18.92 +14 19.4 1.056 2.004 158.0 10.6 20.7
2009 12 15 03 08.26 +15 50.0 1.183 2.073 146.0 15.4 21.2
2009 12 25 03 02.28 +17 13.2 1.330 2.140 134.9 19.0 21.6
2010 01 04 03 00.51 +18 31.3 1.493 2.206 124.6 21.5 22.0
Sonia Keys (C) Copyright 2009 MPC M.P.E.C. 2009-W45
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