MPEC 2009-U75 : 2009 UW18
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M.P.E.C. 2009-U75 Issued 2009 Oct. 24, 11:53 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 UW18
Observations:
K09U18W* C2009 10 23.34501 05 03 27.77 +28 32 12.2 19.3 EU075704
K09U18W C2009 10 23.35836 05 03 24.98 +28 31 39.3 19.2 EU075704
K09U18W C2009 10 23.37171 05 03 22.21 +28 31 06.2 20.0 EU075704
K09U18W C2009 10 23.38521 05 03 19.28 +28 30 32.3 19.6 EU075704
K09U18W C2009 10 23.39863 05 03 16.38 +28 29 59.3 19.7 EU075704
K09U18W C2009 10 24.32814 05 00 06.04 +27 50 59.0 19.0 R EU075H36
K09U18W C2009 10 24.33275 05 00 05.03 +27 50 46.8 18.8 R EU075H36
K09U18W C2009 10 24.33584 05 00 04.34 +27 50 39.1 18.5 R EU075H36
K09U18W C2009 10 24.38786 04 59 53.59 +27 48 30.7 19.0 R EU075854
K09U18W C2009 10 24.39170 04 59 52.75 +27 48 20.6 19.0 R EU075854
K09U18W C2009 10 24.39553 04 59 52.03 +27 48 11.3 18.9 R EU075854
K09U18W C2009 10 24.41053 04 59 48.57 +27 47 32.8 18.8 R EU075H01
K09U18W C2009 10 24.41425 04 59 47.76 +27 47 23.4 18.9 R EU075H01
K09U18W C2009 10 24.41897 04 59 46.74 +27 47 11.5 18.9 R EU075H01
K09U18W C2009 10 24.42245 04 59 45.99 +27 47 02.6 18.8 R EU075H01
Observer details:
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.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + 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.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
Orbital elements:
2009 UW18 Earth MOID = 0.1392 AU
Epoch 2009 Oct. 16.0 TT = JDT 2455120.5 MPC
M 66.11143 (2000.0) P Q
n 0.74020749 Peri. 54.99161 +0.18222970 +0.95991131
a 1.2103205 Node 227.02430 -0.97003776 +0.14011294
e 0.4181939 Incl. 16.92413 -0.16068314 +0.24277283
P 1.33 H 19.5 G 0.15
From 15 observations 2009 Oct. 23-24.
Ephemeris:
2009 UW18 a,e,i = 1.21, 0.42, 17 q = 0.7042
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 10 16 05 27.08 +33 21.3 0.356 1.211 119.1 46.0 19.4
2009 10 26 04 54.31 +26 39.9 0.352 1.274 137.1 32.1 19.1
2009 11 05 04 19.10 +19 19.2 0.365 1.334 156.2 17.4 18.9
2009 11 15 03 46.91 +12 28.3 0.403 1.389 171.3 6.1 18.7
2009 11 25 03 21.94 +07 12.2 0.467 1.441 163.3 11.4 19.3
2009 12 05 03 05.55 +03 48.4 0.552 1.487 149.5 19.7 20.1
2009 12 15 02 56.84 +01 58.6 0.653 1.530 137.4 25.8 20.7
2009 12 25 02 54.39 +01 16.6 0.766 1.568 126.9 30.1 21.2
2010 01 04 02 56.77 +01 19.8 0.886 1.601 117.7 32.9 21.6
2010 01 14 03 02.80 +01 52.1 1.012 1.630 109.5 34.6 22.0
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-U75
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