MPEC 2009-W104: 2009 WF104
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M.P.E.C. 2009-W104 Issued 2009 Nov. 25, 00:00 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 WF104
Observations:
K09WA4F* C2009 11 23.37110 04 10 55.41 +10 51 51.9 19.5 V EW104G96
K09WA4F C2009 11 23.37576 04 10 55.02 +10 51 52.3 19.4 V EW104G96
K09WA4F C2009 11 23.38042 04 10 54.58 +10 51 52.5 19.4 V EW104G96
K09WA4F C2009 11 23.38502 04 10 54.22 +10 51 52.4 19.3 V EW104G96
K09WA4F C2009 11 24.38839 04 09 30.24 +10 52 58.7 19.7 V EW104G96
K09WA4F C2009 11 24.39303 04 09 29.88 +10 52 59.0 19.7 V EW104G96
K09WA4F C2009 11 24.39758 04 09 29.48 +10 52 59.5 19.6 V EW104G96
K09WA4F C2009 11 24.40219 04 09 29.08 +10 52 59.8 19.8 V EW104G96
K09WA4F C2009 11 24.46959 04 09 23.31 +10 53 04.5 20.0 R EW104926
K09WA4F C2009 11 24.47208 04 09 23.05 +10 53 05.3 19.5 R EW104926
K09WA4F C2009 11 24.90581 04 08 46.71 +10 53 34.3 19.7 R EW104B18
K09WA4F C2009 11 24.90999 04 08 46.36 +10 53 34.3 19.8 R EW104B18
K09WA4F C2009 11 24.91417 04 08 46.01 +10 53 34.9 19.6 R EW104B18
Observer details:
926 Tenagra II Observatory. Observers P. R. Holvorcem, M. Schwartz. Measurer
P. R. Holvorcem. 0.81-m f/7 Ritchey-Chretien + CCD.
B18 Terskol. Observers M. Andreev, A. Sergeev, N. Parakhin, V. Kozlov.
Measurer M. Andreev. 0.6-m f/12.8 Cassegrain + CCD.
G96 Mt. Lemmon Survey. Observer R. E. Hill. 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 WF104 Earth MOID = 0.2289 AU
Epoch 2009 Nov. 5.0 TT = JDT 2455140.5 MPC
M 312.47382 (2000.0) P Q
n 0.20428419 Peri. 103.33639 -0.94473998 +0.04843761
a 2.8552636 Node 80.16626 -0.19190601 -0.88356285
e 0.6460185 Incl. 19.21155 +0.26577895 -0.46580090
P 4.82 H 16.4 G 0.15
From 13 observations 2009 Nov. 23-24.
Ephemeris:
2009 WF104 a,e,i = 2.86, 0.65, 19 q = 1.0107
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 11 25 04 08.65 +10 53.7 1.553 2.531 170.1 3.8 19.7
2009 12 05 03 54.07 +11 10.8 1.497 2.457 163.4 6.6 19.7
2009 12 15 03 39.56 +11 39.3 1.471 2.382 151.4 11.4 19.8
2009 12 25 03 26.65 +12 20.5 1.471 2.305 138.9 16.3 19.9
2010 01 04 03 16.59 +13 14.9 1.494 2.226 126.8 20.7 20.0
2010 01 14 03 10.09 +14 22.2 1.531 2.146 115.5 24.4 20.1
2010 01 24 03 07.47 +15 41.5 1.577 2.065 105.1 27.4 20.2
2010 02 03 03 08.68 +17 11.7 1.626 1.982 95.6 29.7 20.2
2010 02 13 03 13.52 +18 51.2 1.673 1.898 87.0 31.3 20.2
2010 02 23 03 21.80 +20 38.6 1.714 1.813 79.3 32.4 20.2
2010 03 05 03 33.32 +22 31.9 1.747 1.727 72.3 33.2 20.2
2010 03 15 03 47.99 +24 29.2 1.769 1.641 66.1 33.6 20.1
2010 03 25 04 05.82 +26 28.2 1.779 1.555 60.6 34.0 20.0
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-W104
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