MPEC 2009-W70 : 2009 WU25
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M.P.E.C. 2009-W70 Issued 2009 Nov. 23, 02:01 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 WU25
Observations:
K09W25U* C2009 11 21.31122 07 16 07.37 +21 10 02.4 19.2 EW070704
K09W25U C2009 11 21.32344 07 16 06.42 +21 12 46.4 18.9 EW070704
K09W25U C2009 11 21.33566 07 16 05.44 +21 15 29.6 19.4 EW070704
K09W25U C2009 11 21.34790 07 16 04.48 +21 18 12.2 19.4 EW070704
K09W25U C2009 11 21.96298 07 16 06.02 +23 18 38.9 19.4 V EW070B21
K09W25U C2009 11 21.97373 07 16 05.47 +23 20 38.2 19.0 V EW070B21
K09W25U C2009 11 21.97641 07 16 05.33 +23 21 07.7 19.7 V EW070B21
K09W25U C2009 11 21.97910 07 16 05.17 +23 21 37.1 19.9 V EW070B21
K09W25U C2009 11 21.99252 07 16 04.37 +23 24 05.4 19.7 V EW070B21
K09W25U C2009 11 21.99520 07 16 04.22 +23 24 34.8 19.5 V EW070B21
K09W25U C2009 11 22.00569 07 16 03.55 +23 26 29.0 19.7 V EW070B21
K09W25U C2009 11 22.00837 07 16 03.42 +23 26 58.7 19.5 V EW070B21
K09W25U C2009 11 22.01106 07 16 03.26 +23 27 27.7 20.0 V EW070B21
K09W25U C2009 11 22.01911 07 16 02.73 +23 28 55.3 19.8 V EW070B21
K09W25U C2009 11 22.02180 07 16 02.56 +23 29 24.0 19.2 V EW070B21
K09W25U C2009 11 22.02716 07 16 02.17 +23 30 22.1 19.8 V EW070B21
K09W25U C2009 11 22.03253 07 16 01.81 +23 31 20.3 19.8 V EW070B21
K09W25U C2009 11 22.03522 07 16 01.62 +23 31 49.2 19.1 V EW070B21
K09W25U C2009 11 22.03790 07 16 01.45 +23 32 17.9 20.0 V EW070B21
K09W25U C2009 11 22.05158 07 16 00.46 +23 34 44.3 20.0 V EW070B21
K09W25U C2009 11 22.05426 07 16 00.31 +23 35 12.7 19.9 V EW070B21
K09W25U C2009 11 22.06875 07 16 01.73 +23 37 30.9 EW070J95
K09W25U C2009 11 22.07944 07 16 01.05 +23 39 23.9 19.3 R EW070J95
K09W25U C2009 11 22.18836 07 16 07.36 +23 58 20.5 19.9 R EW070932
K09W25U C2009 11 22.19486 07 16 06.96 +23 59 29.2 19.2 R EW070932
K09W25U C2009 11 22.25062 07 16 10.35 +24 09 04.3 20.5 R EW070651
K09W25U C2009 11 22.25137 07 16 10.35 +24 09 13.1 19.9 R EW070651
K09W25U C2009 11 22.25285 07 16 10.31 +24 09 28.0 19.9 R EW070651
K09W25U HC2009 11 22.31633 07 16 06.90 +24 20 19.4 EW070291
K09W25U HC2009 11 22.32092 07 16 06.53 +24 21 05.6 EW070291
K09W25U C2009 11 22.32341 07 16 05.41 +24 21 27.1 19.0 R EW070H01
K09W25U C2009 11 22.32536 07 16 06.28 +24 21 50.7 19.9 V EW070291
K09W25U C2009 11 22.32715 07 16 05.13 +24 22 04.9 19.1 R EW070H01
K09W25U C2009 11 22.33221 07 16 04.75 +24 22 55.3 19.0 R EW070H01
K09W25U C2009 11 22.33663 07 16 04.42 +24 23 39.9 18.9 R EW070H01
K09W25U C2009 11 22.36111 07 15 57.90 +24 27 29.1 20.0 V EW070H21
K09W25U C2009 11 22.36538 07 15 57.53 +24 28 10.6 19.9 V EW070H21
K09W25U C2009 11 22.36950 07 15 57.15 +24 28 50.4 20.1 V EW070H21
K09W25U C2009 11 22.42640 07 15 54.18 +24 37 57.0 19.0 R EW070H36
K09W25U C2009 11 22.43121 07 15 53.81 +24 38 41.8 19.4 R EW070H36
K09W25U C2009 11 22.43600 07 15 53.34 +24 39 27.0 19.1 R EW070H36
Observer details:
291 LPL/Spacewatch II. Observer M. T. Read. 1.8-m f/2.7 reflector + CCD.
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. 0.62-m f/5.1
Newtonian reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Bezpalko, D. Torres,
R. Kracke, G. Spitz, M. Blythe. Measurer J. Stuart. 1.0-m f/2.15
reflector + CCD.
932 John J. McCarthy Obs., New Milford. Observer S. Riley. 0.4-m f/6.5
Schmidt-Cassegrain + CCD.
B21 Gaisberg Observatory, Schaerding. Observer R. Gierlinger. 0.7-m f/3.1
Newtonian 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.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurer H. Devore. 0.81-m f/4.0 astrograph + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2009 WU25 Earth MOID = 0.0111 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 17.34804 (2000.0) P Q
n 0.26305101 Peri. 331.20851 +0.84626685 -0.52638307
a 2.4123634 Node 60.78216 +0.50506174 +0.74358051
e 0.6001902 Incl. 5.40286 +0.16954368 +0.41232134
P 3.75 H 25.0 G 0.15 U 7
Residuals in seconds of arc
091121 704 0.3+ 0.4+ 091122 B21 0.0 0.2- 091122 291 0.6- 0.4+
091121 704 0.6- 0.0 091122 B21 0.4- 0.0 091122 291 1.4- 0.0
091121 704 1.1- 0.2- 091122 B21 0.3- 0.3+ 091122 H01 0.3- 0.1-
091121 704 0.6- 0.3- 091122 B21 0.4- 0.3+ 091122 291 0.6- 0.2+
091121 B21 0.4- 0.2+ 091122 B21 0.2- 0.2+ 091122 H01 0.4- 0.0
091121 B21 0.2- 0.2+ 091122 B21 0.5- 0.2+ 091122 H01 0.4- 0.4-
091121 B21 0.1- 0.1+ 091122 B21 0.0 0.0 091122 H01 0.3- 0.1-
091121 B21 0.3- 0.2- 091122 J95 1.3- 0.1- 091122 H21 0.3- 0.1-
091121 B21 0.6- 0.3+ 091122 J95 1.1- 0.8- 091122 H21 0.4- 0.0
091121 B21 0.5- 0.3+ 091122 932 0.2- 0.1- 091122 H21 0.9- 0.1-
091122 B21 0.7- 0.1- 091122 932 1.0- 0.4+ 091122 H36 0.4+ 0.2-
091122 B21 0.2- 0.3+ 091122 651 0.2+ 0.2+ 091122 H36 0.9+ 0.7-
091122 B21 0.0 0.1+ 091122 651 0.6+ 1.2+ 091122 H36 0.2- 0.4-
091122 B21 0.1- 0.3+ 091122 651 0.8+ 0.6+
Ephemeris:
2009 WU25 a,e,i = 2.41, 0.60, 5 q = 0.9645
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 11 15 07 04.87 -66 46.0 0.0132 0.988 85.3 93.9 18.9
2009 11 16 07 11.11 -41 57.0 0.0125 0.991 100.0 79.2 18.2
2009 11 17 07 13.50 -18 44.9 0.0141 0.994 113.3 66.0 18.1
2009 11 18 07 14.70 -02 20.6 0.0174 0.998 121.5 57.6 18.3
2009 11 19 07 15.37 +08 14.5 0.0217 1.001 126.1 52.9 18.6
2009 11 20 07 15.74 +15 12.0 0.0265 1.005 128.9 49.9 19.0
2009 11 21 07 15.92 +19 59.6 0.0315 1.009 130.8 47.8 19.3
2009 11 22 07 15.96 +23 27.2 0.0367 1.013 132.3 46.2 19.6
2009 11 23 07 15.89 +26 02.9 0.0420 1.017 133.6 44.7 19.9
2009 11 24 07 15.74 +28 03.6 0.0474 1.021 134.7 43.4 20.1
2009 11 25 07 15.52 +29 39.7 0.0528 1.026 135.8 42.2 20.3
2009 11 26 07 15.23 +30 57.7 0.0583 1.030 136.8 41.0 20.5
2009 11 27 07 14.89 +32 02.2 0.0638 1.035 137.8 39.8 20.7
2009 11 28 07 14.49 +32 56.3 0.0693 1.040 138.8 38.7 20.8
2009 11 29 07 14.04 +33 42.3 0.0749 1.045 139.8 37.6 21.0
2009 11 30 07 13.55 +34 21.7 0.0805 1.050 140.8 36.5 21.1
2009 12 01 07 13.02 +34 55.8 0.0862 1.055 141.7 35.4 21.2
2009 12 02 07 12.44 +35 25.5 0.0918 1.060 142.7 34.3 21.4
2009 12 03 07 11.83 +35 51.5 0.0975 1.066 143.7 33.2 21.5
2009 12 04 07 11.18 +36 14.4 0.103 1.072 144.7 32.1 21.6
2009 12 05 07 10.49 +36 34.5 0.109 1.077 145.7 31.1 21.7
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-W70
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