MPEC 2009-W12 : 2009 WE
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M.P.E.C. 2009-W12 Issued 2009 Nov. 17, 05:42 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 WE
Observations:
K09W00E* C2009 11 16.27538 02 22 17.40 +10 48 18.8 20.6 V EW012G96
K09W00E C2009 11 16.28121 02 22 14.95 +10 48 52.9 20.7 V EW012G96
K09W00E C2009 11 16.28705 02 22 12.50 +10 49 28.0 20.3 V EW012G96
K09W00E C2009 11 16.29299 02 22 10.09 +10 50 03.3 20.5 V EW012G96
K09W00E C2009 11 16.32285 02 21 57.74 +10 53 00.7 20.2 V EW012G96
K09W00E C2009 11 16.33050 02 21 54.57 +10 53 46.2 20.4 V EW012G96
K09W00E C2009 11 16.33810 02 21 51.40 +10 54 31.1 20.3 V EW012G96
K09W00E C2009 11 16.34586 02 21 48.24 +10 55 17.3 20.0 V EW012G96
K09W00E C2009 11 16.35673 02 21 43.74 +10 56 21.5 20.4 V EW012G96
K09W00E C2009 11 16.36578 02 21 39.99 +10 57 15.6 20.2 V EW012G96
K09W00E C2009 11 16.37486 02 21 36.28 +10 58 08.6 20.2 V EW012G96
K09W00E C2009 11 16.38567 02 21 31.78 +10 59 13.6 20.4 V EW012G96
K09W00E C2009 11 16.38920 02 21 30.41 +10 59 36.4 20.1 R EW012926
K09W00E C2009 11 16.39330 02 21 28.68 +10 59 59.6 20.8 R EW012926
K09W00E C2009 11 16.93508 02 17 50.65 +11 54 11.0 EW012J95
K09W00E C2009 11 16.95206 02 17 43.48 +11 55 54.8 20.2 R EW012J95
K09W00E tC2009 11 17.19279 02 16 05.06 +12 20 33.6 20.1 V EW012291
K09W00E tC2009 11 17.19672 02 16 03.38 +12 20 56.8 20.5 V EW012291
K09W00E tC2009 11 17.20048 02 16 01.77 +12 21 19.7 20.4 V EW012291
Observer details:
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
926 Tenagra II Observatory. Observers P. R. Holvorcem, M. Schwartz. Measurer
P. R. Holvorcem. 0.81-m f/7 Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observer A. D. Grauer. 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.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2009 WE Earth MOID = 0.1708 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 350.00575 (2000.0) P Q
n 0.49063403 Peri. 71.21734 -0.44662854 -0.80473754
a 1.5920777 Node 51.82412 +0.51062962 -0.58815755
e 0.3933287 Incl. 29.83114 +0.73469745 -0.08042506
P 2.01 H 22.5 G 0.15 U 8
Residuals in seconds of arc
091116 G96 0.5+ 0.1+ 091116 G96 0.2+ 0.1+ 091116 J95 0.1+ 0.4-
091116 G96 0.1- 0.5- 091116 G96 0.0 0.3- 091116 J95 0.1- 0.3+
091116 G96 0.6- 0.0 091116 G96 0.3- 0.1+ 091117 291 0.1- 0.6+
091116 G96 0.1+ 0.0 091116 G96 0.1+ 0.8- 091117 291 0.0 0.2-
091116 G96 0.2+ 0.1+ 091116 G96 0.7- 0.0 091117 291 0.0 0.4-
091116 G96 0.0 0.1+ 091116 926 0.8+ 1.2+
091116 G96 0.4- 0.1- 091116 926 0.1+ 0.1+
Ephemeris:
2009 WE a,e,i = 1.59, 0.39, 30 q = 0.9659
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 11 15 02 30.57 +08 44.9 0.227 1.210 164.4 12.7 20.4
2009 11 20 01 55.66 +17 16.2 0.211 1.182 154.8 20.8 20.5
2009 11 25 01 14.83 +26 16.7 0.206 1.155 141.3 32.3 20.7
2009 11 30 00 30.52 +34 24.0 0.213 1.129 127.6 43.8 21.1
2009 12 05 23 46.18 +40 44.4 0.230 1.104 115.5 53.6 21.5
2009 12 10 23 04.93 +45 13.5 0.253 1.081 105.6 61.4 21.9
2009 12 15 22 28.55 +48 15.5 0.280 1.059 97.7 67.1 22.2
Sonia Keys (C) Copyright 2009 MPC M.P.E.C. 2009-W12
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