MPEC 2009-W56 : 2009 WN8
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M.P.E.C. 2009-W56 Issued 2009 Nov. 20, 18:48 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 WN8
Observations:
K09W08N* C2009 11 19.31031 06 18 28.65 +16 30 23.2 19.0 EW056704
K09W08N C2009 11 19.32273 06 17 54.14 +16 35 56.3 19.8 EW056704
K09W08N C2009 11 19.33507 06 17 19.66 +16 41 28.0 18.9 EW056704
K09W08N C2009 11 19.34744 06 16 45.14 +16 46 58.7 19.0 EW056704
K09W08N C2009 11 19.35981 06 16 10.63 +16 52 28.0 19.1 EW056704
K09W08N C2009 11 20.39958 05 31 02.91 +23 38 52.9 EW056G96
K09W08N C2009 11 20.40572 05 30 46.96 +23 40 55.8 EW056G96
K09W08N C2009 11 20.41188 05 30 31.01 +23 42 58.5 18.3 V EW056G96
K09W08N C2009 11 20.41799 05 30 15.11 +23 45 00.9 EW056G96
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.
G96 Mt. Lemmon Survey. Observer A. R. Gibbs. 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.
Orbital elements:
2009 WN8 Earth MOID = 0.0150 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 162.23773 (2000.0) P Q
n 1.26137546 Peri. 220.72993 +0.15066357 +0.97011015
a 0.8483462 Node 58.74690 -0.83941910 +0.22718075
e 0.3599402 Incl. 12.85705 -0.52218394 -0.08529484
P 0.78 H 24.6 G 0.15 U 9
Residuals in seconds of arc
091119 704 0.2- 0.8+ 091119 704 0.2- 0.1+ 091120 G96 0.0 0.1+
091119 704 0.9+ 0.5- 091119 704 0.2+ 0.0 091120 G96 0.6+ 0.4-
091119 704 0.2- 0.1+ 091120 G96 0.2- 0.4+ 091120 G96 0.1- 0.2+
Ephemeris:
2009 WN8 a,e,i = 0.85, 0.36, 13 q = 0.5430
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 11 15 09 06.01 -14 43.2 0.0347 0.989 88.8 89.2 20.4
2009 11 17 07 58.36 -02 06.0 0.0285 0.999 110.6 67.8 19.3
2009 11 19 06 32.27 +14 10.0 0.0275 1.009 137.9 41.0 18.4
2009 11 21 05 07.09 +26 42.3 0.0324 1.018 160.1 19.2 18.2
2009 11 23 04 01.38 +33 01.8 0.0410 1.028 167.2 12.3 18.5
2009 11 25 03 16.45 +35 44.9 0.0517 1.036 161.9 17.2 19.2
2009 11 27 02 46.26 +36 53.5 0.0634 1.045 155.7 22.8 19.8
2009 11 29 02 25.52 +37 21.7 0.0758 1.053 150.7 27.3 20.3
2009 12 01 02 10.85 +37 32.1 0.0885 1.061 146.5 30.9 20.8
2009 12 03 02 00.23 +37 34.1 0.101 1.069 143.0 33.7 21.2
2009 12 05 01 52.41 +37 32.2 0.115 1.076 139.9 36.1 21.5
2009 12 07 01 46.61 +37 28.6 0.128 1.083 137.2 38.2 21.8
2009 12 09 01 42.32 +37 24.3 0.142 1.089 134.8 39.9 22.1
2009 12 11 01 39.19 +37 19.9 0.155 1.096 132.5 41.5 22.4
2009 12 13 01 37.00 +37 15.8 0.169 1.102 130.4 42.9 22.6
2009 12 15 01 35.56 +37 12.1 0.183 1.107 128.4 44.2 22.8
Sonia Keys (C) Copyright 2009 MPC M.P.E.C. 2009-W56
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