MPEC 2009-W135: 2009 WM139
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M.P.E.C. 2009-W135 Issued 2009 Nov. 28, 17:55 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 WM139
Observations:
K09WD9M*QC2009 11 27.51218 01 20 18.14 -49 02 22.9 19.7 V EW135E12
K09WD9M QC2009 11 27.52659 01 20 20.85 -49 01 50.4 19.2 V EW135E12
K09WD9M QC2009 11 27.53621 01 20 22.47 -49 01 27.7 20.0 V EW135E12
K09WD9M QC2009 11 27.54725 01 20 24.50 -49 01 02.5 19.4 V EW135E12
K09WD9M QC2009 11 27.60666 01 20 35.23 -48 58 45.0 19.5 V EW135E12
K09WD9M QC2009 11 27.61019 01 20 35.86 -48 58 36.9 19.6 V EW135E12
K09WD9M QC2009 11 27.66819 01 20 46.55 -48 56 21.8 19.6 V EW135E12
K09WD9M QC2009 11 27.67173 01 20 47.21 -48 56 13.2 19.5 V EW135E12
K09WD9M QC2009 11 28.49837 01 23 22.54 -48 24 43.4 19.5 V EW135E12
K09WD9M QC2009 11 28.50303 01 23 23.34 -48 24 32.5 19.5 V EW135E12
K09WD9M QC2009 11 28.64613 01 23 49.10 -48 18 54.3 EW135E12
K09WD9M QC2009 11 28.65082 01 23 49.89 -48 18 43.5 19.5 V EW135E12
Observer details:
E12 Siding Spring Survey. Observer R. H. McNaught. 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. 0.5-m Uppsala Schmidt + CCD.
Orbital elements:
2009 WM139 Earth MOID = 0.4154 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 13.46462 (2000.0) P Q
n 0.25164254 Peri. 265.90939 +0.78643788 -0.54695279
a 2.4847346 Node 126.98882 +0.60411519 +0.77791719
e 0.5200827 Incl. 21.05637 -0.12868681 +0.30933395
P 3.92 H 18.5 G 0.15 U 8
Residuals in seconds of arc
091127 E12 0.4- 0.1+ 091127 E12 0.1- 0.1+ 091128 E12 0.1+ 0.1+
091127 E12 0.8+ 0.4- 091127 E12 0.3- 0.0 091128 E12 0.2- 0.1+
091127 E12 0.2- 0.2+ 091127 E12 0.0 0.2- 091128 E12 0.4+ 0.1+
091127 E12 0.2+ 0.0 091127 E12 0.0 0.2+ 091128 E12 0.3- 0.3-
Ephemeris:
2009 WM139 a,e,i = 2.48, 0.52, 21 q = 1.1925
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 11 25 01 12.36 -50 34.4 0.543 1.202 99.5 54.1 19.5
2009 12 05 01 42.91 -43 56.0 0.550 1.222 101.6 52.2 19.6
2009 12 15 02 10.71 -36 02.6 0.565 1.251 104.4 49.7 19.6
2009 12 25 02 36.43 -27 20.1 0.593 1.288 107.0 46.9 19.7
2010 01 04 03 00.72 -18 25.9 0.637 1.333 108.9 44.3 19.8
2010 01 14 03 24.08 -09 56.8 0.699 1.384 109.5 42.1 20.1
2010 01 24 03 46.99 -02 20.1 0.782 1.440 108.6 40.4 20.3
2010 02 03 04 09.69 +04 10.5 0.883 1.499 106.6 39.1 20.7
2010 02 13 04 32.32 +09 33.6 1.000 1.561 103.5 38.0 21.0
2010 02 23 04 54.98 +13 54.2 1.131 1.625 99.8 36.9 21.3
2010 03 05 05 17.63 +17 20.2 1.274 1.690 95.7 35.7 21.6
2010 03 15 05 40.24 +19 59.8 1.427 1.756 91.2 34.5 21.9
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-W135
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