MPEC 2009-W69 : 2009 WT25
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M.P.E.C. 2009-W69 Issued 2009 Nov. 23, 01:58 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 WT25
Observations:
K09W25T* C2009 11 21.27623 04 49 40.46 +25 29 43.8 21.3 V EW069691
K09W25T C2009 11 21.29399 04 49 42.04 +25 29 20.9 20.9 V EW069691
K09W25T C2009 11 21.31175 04 49 43.59 +25 28 57.7 21.0 V EW069691
K09W25T C2009 11 21.44657 04 49 55.08 +25 25 54.8 20.8 R EW069H01
K09W25T C2009 11 21.45012 04 49 55.40 +25 25 49.9 21.0 R EW069H01
K09W25T C2009 11 21.45488 04 49 55.82 +25 25 43.3 20.6 R EW069H01
K09W25T C2009 11 21.45880 04 49 56.18 +25 25 37.9 20.5 R EW069H01
K09W25T C2009 11 21.51383 04 50 01.26 +25 24 22.8 EW069291
K09W25T HC2009 11 21.51817 04 50 01.56 +25 24 16.8 EW069291
K09W25T C2009 11 21.52232 04 50 02.08 +25 24 10.8 EW069291
K09W25T C2009 11 22.25920 04 51 17.45 +25 07 52.4 20.8 R EW069H01
K09W25T C2009 11 22.26477 04 51 17.92 +25 07 45.2 21.1 R EW069H01
K09W25T C2009 11 22.27041 04 51 18.39 +25 07 37.7 20.9 R EW069H01
K09W25T C2009 11 22.27440 04 51 18.90 +25 07 32.7 20.8 V EW069G96
K09W25T C2009 11 22.27620 04 51 18.87 +25 07 30.1 20.8 R EW069H01
K09W25T C2009 11 22.27627 04 51 19.02 +25 07 30.1 20.2 V EW069G96
K09W25T C2009 11 22.27719 04 51 19.14 +25 07 29.6 21.3 V EW069G96
K09W25T C2009 11 22.42078 04 51 31.10 +25 04 16.6 21.2 V EW069291
K09W25T C2009 11 22.42504 04 51 31.44 +25 04 10.6 20.9 V EW069291
K09W25T C2009 11 22.43028 04 51 31.89 +25 04 03.4 21.3 V EW069291
Observer details:
291 LPL/Spacewatch II. Observer M. T. Read. 1.8-m f/2.7 reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer T. H. Bressi. 0.9-m f/3
reflector + CCD.
G96 Mt. Lemmon Survey. Observers A. R. Gibbs, S. F. Tornero. 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.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
Orbital elements:
2009 WT25 Earth MOID = 0.2359 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 13.43994 (2000.0) P Q
n 0.28292168 Peri. 170.25194 +0.52088696 -0.84920019
a 2.2980452 Node 248.31010 +0.77675967 +0.51369937
e 0.4678732 Incl. 5.36059 +0.35400733 +0.12236005
P 3.48 H 23.0 G 0.15 U 8
Residuals in seconds of arc
091121 691 0.5- 0.2- 091121 291 0.3+ 0.0 091122 H01 0.1- 0.1+
091121 691 0.1+ 0.0 091121 291 1.1- 0.1+ 091122 G96 0.1- 0.5-
091121 691 0.4+ 0.1- 091121 291 0.7+ 0.1- 091122 G96 0.5+ 0.2+
091121 H01 0.1+ 0.3+ 091122 H01 0.1+ 0.1+ 091122 291 0.1+ 0.1+
091121 H01 0.1+ 0.3+ 091122 H01 0.1+ 0.2+ 091122 291 0.2- 0.1-
091121 H01 0.1+ 0.3+ 091122 H01 0.0 0.1+ 091122 291 0.1- 0.0
091121 H01 0.2+ 0.3+ 091122 G96 0.4+ 0.3-
Ephemeris:
2009 WT25 a,e,i = 2.30, 0.47, 5 q = 1.2229
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 11 15 04 38.29 +27 41.6 0.246 1.223 160.0 16.1 21.3
2009 11 25 04 55.55 +24 06.1 0.243 1.225 167.3 10.2 21.0
2009 12 05 05 08.53 +20 21.1 0.252 1.237 174.3 4.5 20.9
2009 12 15 05 18.27 +17 05.7 0.274 1.257 173.3 5.2 21.1
2009 12 25 05 26.53 +14 43.9 0.309 1.285 165.9 10.8 21.7
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-W69
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