MPEC 2009-W62 : 2009 WD11
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M.P.E.C. 2009-W62 Issued 2009 Nov. 21, 13:37 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 WD11
Observations:
K09W11D* C2009 11 20.37559 05 34 04.00 +20 37 39.7 20.1 V EW062691
K09W11D C2009 11 20.39334 05 34 02.06 +20 38 16.0 20.0 V EW062691
K09W11D C2009 11 20.41110 05 34 00.14 +20 38 52.5 20.1 V EW062691
K09W11D C2009 11 20.45666 05 33 55.20 +20 40 24.9 20.5 V EW062291
K09W11D HC2009 11 20.46063 05 33 54.73 +20 40 33.3 EW062291
K09W11D C2009 11 20.47592 05 33 53.05 +20 41 02.0 19.3 R EW062H01
K09W11D C2009 11 20.47955 05 33 52.66 +20 41 09.3 19.2 R EW062H01
K09W11D C2009 11 20.48543 05 33 52.04 +20 41 21.2 19.2 R EW062H01
K09W11D C2009 11 20.48884 05 33 51.68 +20 41 28.1 19.1 R EW062H01
K09W11D C2009 11 20.88223 05 33 15.82 +20 55 01.6 20.5 V EW062A50
K09W11D C2009 11 20.88370 05 33 15.63 +20 55 05.5 20.7 V EW062A50
K09W11D C2009 11 20.88830 05 33 15.15 +20 55 13.2 19.7 V EW062A50
K09W11D C2009 11 20.88904 05 33 15.08 +20 55 16.1 19.8 V EW062A50
K09W11D C2009 11 21.27152 05 32 36.43 +21 09 09.9 20.3 V EW062291
K09W11D C2009 11 21.27548 05 32 35.97 +21 09 18.8 20.4 V EW062291
K09W11D C2009 11 21.28175 05 32 35.22 +21 09 32.7 19.7 V EW062291
K09W11D C2009 11 21.33436 05 32 28.83 +21 11 28.1 18.8 R EW062H01
K09W11D C2009 11 21.33922 05 32 28.25 +21 11 38.8 19.0 R EW062H01
K09W11D C2009 11 21.34635 05 32 27.39 +21 11 54.5 19.2 R EW062H01
K09W11D C2009 11 21.34659 05 32 26.89 +21 11 52.8 20.1 R EW062H36
K09W11D C2009 11 21.35120 05 32 26.38 +21 12 01.7 19.4 R EW062H36
K09W11D C2009 11 21.35582 05 32 25.81 +21 12 11.5 19.7 R EW062H36
K09W11D C2009 11 21.49365 05 32 09.91 +21 17 17.1 20.9 R EW062926
K09W11D C2009 11 21.49682 05 32 09.47 +21 17 23.1 20.8 R EW062926
K09W11D C2009 11 21.49999 05 32 09.14 +21 17 30.2 20.8 R EW062926
Observer details:
291 LPL/Spacewatch II. Observers T. H. Bressi, M. T. Read. 1.8-m f/2.7
reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer T. H. Bressi. 0.9-m f/3
reflector + CCD.
926 Tenagra II Observatory. Observers P. R. Holvorcem, M. Schwartz. Measurer
P. R. Holvorcem. 0.81-m f/7 Ritchey-Chretien + CCD.
A50 Andrushivka Astronomical Observatory. Observers Y. Ivashchenko,
P. Kyrylenko, P. Ostafijchuk, Y. Kazmirchuk. Measurer Y. Ivashchenko.
0.6-m 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 WD11 Earth MOID = 0.0726 AU
Epoch 2009 Nov. 5.0 TT = JDT 2455140.5 MPC
M 262.75727 (2000.0) P Q
n 0.88838073 Peri. 127.34564 -0.95938891 +0.20975108
a 1.0716919 Node 65.46581 -0.27559403 -0.83958812
e 0.4286155 Incl. 11.96650 +0.06017344 -0.50109508
P 1.11 H 21.8 G 0.15
From 25 observations 2009 Nov. 20-21.
Ephemeris:
2009 WD11 a,e,i = 1.07, 0.43, 12 q = 0.6123
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 11 15 05 40.19 +18 05.1 0.285 1.238 147.0 25.8 20.7
2009 11 17 05 38.40 +18 55.4 0.267 1.227 149.5 24.2 20.5
2009 11 19 05 36.06 +19 53.1 0.250 1.215 152.1 22.4 20.3
2009 11 21 05 33.05 +20 59.5 0.233 1.203 154.9 20.4 20.0
2009 11 23 05 29.26 +22 16.2 0.216 1.190 157.8 18.3 19.8
2009 11 25 05 24.52 +23 44.9 0.200 1.178 160.8 16.0 19.5
2009 11 27 05 18.61 +25 27.8 0.184 1.165 163.9 13.6 19.2
2009 11 29 05 11.24 +27 27.3 0.170 1.152 166.8 11.3 19.0
2009 12 01 05 01.98 +29 46.2 0.155 1.139 169.0 9.5 18.7
2009 12 03 04 50.26 +32 27.2 0.142 1.126 169.2 9.4 18.4
2009 12 05 04 35.24 +35 32.5 0.130 1.112 166.6 11.8 18.3
2009 12 07 04 15.68 +39 02.2 0.119 1.098 161.6 16.4 18.3
2009 12 09 03 49.89 +42 51.9 0.109 1.084 154.8 22.7 18.2
2009 12 11 03 15.62 +46 47.7 0.101 1.070 146.7 30.4 18.3
2009 12 13 02 30.59 +50 21.7 0.0945 1.056 137.3 39.2 18.4
2009 12 15 01 34.28 +52 50.0 0.0905 1.041 127.0 49.0 18.5
2009 12 17 00 30.75 +53 28.4 0.0890 1.027 116.2 59.3 18.7
2009 12 19 23 28.63 +52 01.1 0.0900 1.012 105.5 69.6 19.0
2009 12 21 22 35.43 +48 55.0 0.0933 0.997 95.3 79.4 19.4
2009 12 23 21 53.47 +44 56.1 0.0985 0.982 85.9 88.4 19.8
2009 12 25 21 21.34 +40 43.0 0.105 0.966 77.5 96.4 20.3
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-W62
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