MPEC 2009-W117: 2009 WN105
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M.P.E.C. 2009-W117 Issued 2009 Nov. 26, 00:21 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 WN105
Observations:
K09WA5N C2009 11 24.27312 04 28 36.28 +09 37 22.9 21.4 V EW117291
K09WA5N C2009 11 24.27712 04 28 36.15 +09 37 29.5 21.1 V EW117291
K09WA5N C2009 11 24.28097 04 28 36.04 +09 37 36.9 21.6 V EW117291
K09WA5N* C2009 11 25.42561 04 28 04.23 +10 13 34.7 21.7 V EW117291
K09WA5N C2009 11 25.42942 04 28 04.11 +10 13 42.3 21.3 V EW117291
K09WA5N C2009 11 25.43337 04 28 03.98 +10 13 50.0 21.6 V EW117291
K09WA5N FC2009 11 25.94527 04 27 50.95 +10 30 24.1 EW117J95
K09WA5N FC2009 11 25.95672 04 27 50.52 +10 30 46.9 20.6 R EW117J95
Observer details:
291 LPL/Spacewatch II. Observer R. S. McMillan. 1.8-m f/2.7 reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2009 WN105 Earth MOID = 0.2398 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 357.19669 (2000.0) P Q
n 0.20656842 Peri. 34.35251 -0.33070741 -0.91166412
a 2.8341757 Node 76.03019 +0.79960240 -0.40796701
e 0.5800173 Incl. 14.55819 +0.50126699 +0.04930968
P 4.77 H 22.3 G 0.15 U 7
Residuals in seconds of arc
091124 291 0.2- 0.4+ 091125 291 0.1- 0.2- 091125 J95 0.3+ 0.1-
091124 291 0.1- 0.4- 091125 291 0.0 0.1+ 091125 J95 0.3- 0.0
091124 291 0.2+ 0.1- 091125 291 0.1+ 0.2+
Ephemeris:
2009 WN105 a,e,i = 2.83, 0.58, 15 q = 1.1903
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 11 25 04 28.28 +10 00.1 0.366 1.347 167.6 9.0 21.4
2009 12 05 04 22.63 +16 27.7 0.314 1.297 172.0 6.1 20.8
2009 12 15 04 15.95 +25 14.6 0.281 1.256 163.1 13.2 20.8
2009 12 25 04 11.44 +35 32.7 0.266 1.223 150.9 23.0 21.0
2010 01 04 04 13.77 +45 50.8 0.270 1.201 139.6 32.0 21.2
2010 01 14 04 28.25 +54 43.6 0.286 1.191 130.9 38.6 21.5
2010 01 24 05 00.63 +61 20.3 0.314 1.193 125.2 42.4 21.8
Sonia Keys (C) Copyright 2009 MPC M.P.E.C. 2009-W117
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