MPEC 2009-W77 : 2009 WY51
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M.P.E.C. 2009-W77 Issued 2009 Nov. 23, 18:24 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 WY51
Observations:
K09W51Y* C2009 11 22.28390 04 40 43.34 +29 20 51.0 19.8 V EW077691
K09W51Y C2009 11 22.30167 04 40 39.66 +29 19 43.5 19.9 V EW077691
K09W51Y C2009 11 22.31943 04 40 36.00 +29 18 35.8 19.8 V EW077691
K09W51Y tC2009 11 23.22973 04 37 49.65 +28 22 25.9 20.0 V EW077291
K09W51Y tC2009 11 23.23764 04 37 48.15 +28 21 58.0 19.8 V EW077291
K09W51Y tC2009 11 23.24554 04 37 46.63 +28 21 29.6 19.8 V EW077291
K09W51Y C2009 11 23.29485 04 37 37.11 +28 18 33.0 19.3 R EW077H01
K09W51Y C2009 11 23.29903 04 37 36.32 +28 18 18.2 19.3 R EW077H01
K09W51Y C2009 11 23.30352 04 37 35.47 +28 18 02.2 19.3 R EW077H01
K09W51Y C2009 11 23.30767 04 37 34.68 +28 17 47.3 19.4 R EW077H01
K09W51Y C2009 11 23.35113 04 37 26.22 +28 15 10.2 19.7 R EW077H36
K09W51Y C2009 11 23.35731 04 37 25.00 +28 14 46.1 20.0 R EW077H36
K09W51Y C2009 11 23.36040 04 37 24.39 +28 14 35.2 19.8 R EW077H36
K09W51Y C2009 11 23.36348 04 37 23.82 +28 14 23.4 19.8 R EW077H36
Observer details:
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer M. T. Read. 0.9-m f/3 reflector
+ 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 WY51 Earth MOID = 0.0672 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 27.43291 (2000.0) P Q
n 0.25689946 Peri. 86.81771 +0.89340570 +0.40459611
a 2.4507213 Node 249.24475 -0.44803725 +0.83435477
e 0.6893562 Incl. 12.05298 +0.03299807 +0.37437162
P 3.84 H 21.8 G 0.15 U 8
Residuals in seconds of arc
091122 691 0.3+ 0.2+ 091123 291 0.3- 0.1- 091123 H36 1.1+ 1.6+
091122 691 0.1- 0.0 091123 H01 0.4- 0.5- 091123 H36 0.2+ 0.3-
091122 691 0.3- 0.3- 091123 H01 0.4- 0.4- 091123 H36 0.2- 0.1-
091123 291 0.2+ 0.1+ 091123 H01 0.4- 0.3- 091123 H36 0.2- 0.8-
091123 291 0.1+ 0.3+ 091123 H01 0.4- 0.4-
Ephemeris:
2009 WY51 a,e,i = 2.45, 0.69, 12 q = 0.7613
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 11 15 05 13.64 +39 05.6 0.191 1.156 148.0 27.0 19.7
2009 11 25 04 32.94 +26 42.2 0.275 1.260 170.8 7.2 20.0
2009 12 05 04 15.04 +20 03.5 0.381 1.364 172.5 5.4 20.8
2009 12 15 04 07.06 +16 29.4 0.505 1.468 159.5 13.6 21.9
2009 12 25 04 05.02 +14 37.9 0.645 1.570 148.4 19.2 22.8
Sonia Keys (C) Copyright 2009 MPC M.P.E.C. 2009-W77
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