MPEC 2009-W121: 2009 WD106
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M.P.E.C. 2009-W121 Issued 2009 Nov. 27, 15:24 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 WD106
Observations:
K09WA6D* C2009 11 25.37514 07 03 01.35 +49 42 10.6 18.4 EW121704
K09WA6D C2009 11 25.38761 07 02 53.78 +49 41 58.8 18.6 EW121704
K09WA6D C2009 11 25.40009 07 02 46.15 +49 41 45.9 18.6 EW121704
K09WA6D C2009 11 25.41261 07 02 38.54 +49 41 33.4 18.6 EW121704
K09WA6D C2009 11 25.42510 07 02 30.92 +49 41 21.5 18.8 EW121704
K09WA6D C2009 11 26.03883 06 56 30.17 +49 30 29.6 EW121J95
K09WA6D C2009 11 26.04077 06 56 29.05 +49 30 27.4 EW121J95
K09WA6D C2009 11 26.04246 06 56 28.04 +49 30 25.6 17.8 R EW121J95
K09WA6D C2009 11 26.06539 06 56 13.77 +49 30 05.3 17.7 R EW121A79
K09WA6D C2009 11 26.06852 06 56 11.91 +49 30 01.7 17.7 R EW121A79
K09WA6D C2009 11 26.07152 06 56 10.14 +49 29 58.5 17.5 R EW121A79
K09WA6D C2009 11 26.25657 06 54 24.13 +49 26 31.4 18.0 R EW121850
K09WA6D C2009 11 26.30160 06 53 57.62 +49 25 41.5 17.5 R EW121850
K09WA6D C2009 11 26.32373 06 53 45.48 +49 25 15.5 18.4 R EW121854
K09WA6D C2009 11 26.32740 06 53 43.31 +49 25 11.1 18.2 R EW121854
K09WA6D C2009 11 26.33107 06 53 41.13 +49 25 06.9 18.2 R EW121854
K09WA6D C2009 11 26.34652 06 53 31.22 +49 24 50.0 18.1 R EW121850
K09WA6D C2009 11 26.40012 06 53 00.03 +49 23 46.5 18.0 R EW121H36
K09WA6D C2009 11 26.40262 06 52 58.52 +49 23 43.2 17.7 R EW121H36
K09WA6D C2009 11 26.40346 06 52 58.04 +49 23 42.2 17.7 R EW121H36
K09WA6D C2009 11 26.47377 06 52 17.26 +49 22 22.2 18.6 R EW121926
K09WA6D C2009 11 26.47507 06 52 16.47 +49 22 20.6 18.8 R EW121926
K09WA6D C2009 11 26.47638 06 52 15.75 +49 22 19.0 18.7 R EW121926
K09WA6D C2009 11 26.50316 06 52 00.07 +49 21 46.2 18.9 R EW121926
K09WA6D C2009 11 26.50493 06 51 59.03 +49 21 43.9 18.9 R EW121926
K09WA6D C2009 11 26.50670 06 51 57.99 +49 21 41.9 18.9 R EW121926
K09WA6D C2009 11 26.59936 06 51 07.63 +49 19 48.4 18.1 V EW121900
K09WA6D C2009 11 26.61525 06 50 58.37 +49 19 30.2 18.3 V EW121900
K09WA6D C2009 11 27.00408 06 47 18.67 +49 11 15.5 17.3 R EW121932
K09WA6D C2009 11 27.00558 06 47 17.79 +49 11 14.0 17.4 R EW121932
K09WA6D C2009 11 27.01140 06 47 14.50 +49 11 06.6 EW121932
K09WA6D C2009 11 27.45594 06 43 04.59 +49 01 50.0 18.5 R EW121926
K09WA6D C2009 11 27.45760 06 43 03.66 +49 01 47.8 18.6 R EW121926
K09WA6D C2009 11 27.45926 06 43 02.71 +49 01 45.5 18.6 R EW121926
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.
850 Cordell-Lorenz Observatory, Sewanee. Observer D. T. Durig. 0.30-m f/2.5
Schmidt-Cassegrain + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
900 Moriyama. Observer Y. Ikari. Measurer Y. ikari. 0.26-m f/7.0 reflector
+ CCD.
926 Tenagra II Observatory. Observers P. R. Holvorcem, M. Schwartz. Measurer
P. R. Holvorcem. 0.81-m f/7 Ritchey-Chretien + CCD.
932 John J. McCarthy Obs., New Milford. Observer S. Riley. 0.4-m f/6.5
Schmidt-Cassegrain + CCD.
A79 Zvezdno Obshtestvo Observatory, Plana. Observer F. Fratev. 0.35-m f/3.4
reflector + 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 WD106 Earth MOID = 0.1585 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 37.95428 (2000.0) P Q
n 0.36282748 Peri. 16.66730 +0.65451838 +0.73573353
a 1.9468654 Node 294.58237 -0.71366651 +0.52522741
e 0.7781520 Incl. 11.03591 -0.24957122 +0.42758899
P 2.72 H 18.7 G 0.15 U 8
Residuals in seconds of arc
091125 704 0.1+ 0.1+ 091126 850 0.1- 0.2+ 091126 926 0.1- 0.1-
091125 704 0.3+ 0.4+ 091126 854 0.5+ 0.4+ 091126 926 0.1- 0.1+
091125 704 0.0 0.3- 091126 854 0.3+ 0.0 091126 900 0.5+ 0.0
091125 704 0.2+ 0.4- 091126 854 0.1+ 0.2- 091126 900 0.1+ 0.2-
091125 704 0.0 0.1+ 091126 850 0.5+ 0.1- 091127 932 0.4+ 0.2+
091126 J95 0.3- 0.0 091126 H36 0.4+ 0.2+ 091127 932 0.0 0.5+
091126 J95 0.0 0.1- 091126 H36 0.0 0.1- 091127 932 0.4- 0.0
091126 J95 0.1- 0.1- 091126 H36 0.1+ 0.1- 091127 926 0.1- 0.2-
091126 A79 0.1- 0.1+ 091126 926 0.0 0.1+ 091127 926 0.0 0.2-
091126 A79 0.1- 0.0 091126 926 0.3- 0.1+ 091127 926 0.1- 0.2-
091126 A79 0.0 0.2+ 091126 926 0.2+ 0.1+
091126 850 0.4- 0.3+ 091126 926 0.0 0.0
Ephemeris:
2009 WD106 a,e,i = 1.95, 0.78, 11 q = 0.4319
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 11 25 07 06.77 +49 48.0 0.363 1.265 133.6 34.4 18.4
2009 12 05 05 44.64 +45 25.3 0.439 1.393 154.0 18.1 18.6
2009 12 15 04 56.92 +39 58.5 0.548 1.515 161.9 11.6 19.0
2009 12 25 04 31.89 +35 25.6 0.685 1.630 154.9 14.9 19.8
2010 01 04 04 20.27 +32 05.5 0.845 1.739 144.0 19.4 20.5
2010 01 14 04 16.73 +29 45.8 1.023 1.843 133.4 22.8 21.2
2010 01 24 04 18.39 +28 10.4 1.215 1.941 123.6 25.0 21.7
Sonia Keys (C) Copyright 2009 MPC M.P.E.C. 2009-W121
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