MPEC 2009-W54 : 2009 WZ7
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M.P.E.C. 2009-W54 Issued 2009 Nov. 20, 15:39 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 WZ7
Observations:
K09W07Z* C2009 11 19.36875 07 38 02.31 +12 37 03.1 19.1 EW054704
K09W07Z C2009 11 19.39334 07 37 54.59 +12 38 42.9 19.8 EW054704
K09W07Z C2009 11 19.40565 07 37 50.82 +12 39 30.3 19.3 EW054704
K09W07Z C2009 11 19.41798 07 37 47.06 +12 40 19.0 19.7 EW054704
K09W07Z C2009 11 20.17040 07 34 01.43 +13 28 58.0 17.9 R EW054118
K09W07Z C2009 11 20.17325 07 34 00.56 +13 29 09.4 18.2 R EW054118
K09W07Z C2009 11 20.17690 07 33 59.46 +13 29 23.5 18.1 R EW054118
K09W07Z C2009 11 20.28197 07 33 29.74 +13 36 13.2 18.9 R EW054H01
K09W07Z C2009 11 20.28738 07 33 28.10 +13 36 34.0 19.0 R EW054H01
K09W07Z C2009 11 20.29369 07 33 26.16 +13 36 58.6 19.1 R EW054H01
K09W07Z C2009 11 20.29914 07 33 24.50 +13 37 19.7 19.0 R EW054H01
K09W07Z C2009 11 20.37643 07 33 00.79 +13 42 19.9 19.7 R EW054854
K09W07Z C2009 11 20.37948 07 32 59.84 +13 42 31.1 19.9 R EW054854
K09W07Z C2009 11 20.38255 07 32 59.01 +13 42 43.1 19.7 R EW054854
K09W07Z IC2009 11 20.39539 07 32 54.26 +13 43 32.8 18.2 R EW054850
K09W07Z C2009 11 20.40226 07 32 52.20 +13 43 58.8 18.7 R EW054850
K09W07Z C2009 11 20.40930 07 32 49.99 +13 44 25.3 18.6 R EW054850
K09W07Z IC2009 11 20.41649 07 32 47.83 +13 44 50.2 18.3 R EW054850
K09W07Z IC2009 11 20.42377 07 32 45.49 +13 45 18.7 18.3 R EW054850
K09W07Z C2009 11 20.43118 07 32 43.26 +13 45 49.0 18.5 R EW054850
K09W07Z C2009 11 20.43850 07 32 41.00 +13 46 17.6 18.9 R EW054850
K09W07Z C2009 11 20.45313 07 32 37.14 +13 47 16.4 19.5 R EW054926
K09W07Z C2009 11 20.45477 07 32 36.62 +13 47 22.2 19.4 R EW054926
K09W07Z C2009 11 20.45644 07 32 36.09 +13 47 28.6 19.5 R EW054926
Observer details:
118 Modra. Observers S. Gajdos, J. Vilagi. 0.6-m f/5.5 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.
850 Cordell-Lorenz Observatory, Sewanee. Observers D. T. Durig, S. D. Harris,
E. K. Kegan, J. C. Cochran, C. A. Thaddeus. 0.30-m f/2.5
Schmidt-Cassegrain + 765x510 CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
926 Tenagra II Observatory. Observers P. R. Holvorcem, M. Schwartz. Measurer
P. R. Holvorcem. 0.81-m f/7 Ritchey-Chretien + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
Orbital elements:
2009 WZ7 Earth MOID = 0.1026 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 40.15845 (2000.0) P Q
n 0.36516849 Peri. 250.36357 +0.78059827 +0.52220770
a 1.9385359 Node 76.73132 -0.35345757 +0.82201494
e 0.6897602 Incl. 20.66365 -0.51549403 +0.22713556
P 2.70 H 19.6 G 0.15 U 9
Residuals in seconds of arc
091119 704 1.8+ 2.0- 091120 H01 0.1+ 0.2+ 091120 850 0.6- 0.0
091119 704 0.9- 1.2+ 091120 H01 0.1- 0.3+ 091120 850 0.4+ 2.7-
091119 704 0.8- 0.2+ 091120 H01 0.0 0.2+ 091120 850 0.9- 2.1-
091119 704 0.4- 0.6+ 091120 854 0.7- 0.5+ 091120 850 0.0 0.3-
091120 118 0.3+ 0.5- 091120 854 0.8- 0.1- 091120 850 0.1+ 0.2+
091120 118 0.3+ 0.1- 091120 854 0.9+ 0.1+ 091120 926 0.6+ 0.9+
091120 118 0.6+ 0.0 091120 850 1.1- 1.0+ 091120 926 0.4+ 0.4+
091120 H01 0.0 0.4+ 091120 850 0.1- 0.6+ 091120 926 0.3+ 0.4+
Ephemeris:
2009 WZ7 a,e,i = 1.94, 0.69, 21 q = 0.6014
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 11 15 07 59.25 +07 44.0 0.323 1.149 111.7 53.1 19.4
2009 11 25 07 09.56 +18 24.5 0.350 1.263 136.0 32.9 19.2
2009 12 05 06 19.57 +26 22.9 0.409 1.374 158.2 15.4 19.2
2009 12 15 05 37.04 +31 06.4 0.500 1.481 172.0 5.3 19.4
2009 12 25 05 06.62 +33 26.5 0.618 1.584 162.2 11.0 20.2
2010 01 04 04 48.16 +34 28.2 0.760 1.682 149.3 17.3 21.0
2010 01 14 04 39.19 +34 54.0 0.919 1.776 138.0 21.8 21.7
Sonia Keys (C) Copyright 2009 MPC M.P.E.C. 2009-W54
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