MPEC 2011-W42 : 2011 WK15
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M.P.E.C. 2011-W42 Issued 2011 Nov. 24, 00:51 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 https://www.minorplanetcenter.net/ ISSN 1523-6714
2011 WK15
Observations:
K11W15K* C2011 11 22.37324 02 28 49.292+02 19 22.14 22.4 wLEW042F51
K11W15K C2011 11 22.38754 02 28 48.056+02 19 19.32 22.2 wLEW042F51
K11W15K C2011 11 22.43877 02 28 43.409+02 19 09.55 22.0 wLEW042F51
K11W15K |C2011 11 23.13837 02 27 42.76 +02 17 08.4 22.1 VoEW042807
K11W15K |C2011 11 23.15108 02 27 41.63 +02 17 06.2 21.8 VoEW042807
K11W15K |C2011 11 23.16381 02 27 40.48 +02 17 04.1 22.3 VoEW042807
K11W15K |C2011 11 23.17636 02 27 39.36 +02 17 01.6 21.7 VoEW042807
K11W15K C2011 11 23.21803 02 27 35.91 +02 16 45.8 20.6 RoEW042H01
K11W15K C2011 11 23.22207 02 27 35.56 +02 16 45.1 21.1 RoEW042H01
K11W15K C2011 11 23.23104 02 27 34.76 +02 16 43.4 20.5 RoEW042H01
K11W15K C2011 11 23.24053 02 27 33.91 +02 16 41.8 20.6 RoEW042H01
K11W15K FC2011 11 23.85804 02 26 40.88 +02 14 54.7 21 RtEW042204
K11W15K FC2011 11 23.92073 02 26 35.41 +02 14 44.7 tEW042204
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector
+ CCD.
807 Cerro Tololo. Observers R. Holmes, T. Linder, V. Hoette. Measurers
R. Holmes, T. Linder. 0.41-m f/11 Ritchey-Chretien + CCD.
F51 Pan-STARRS 1, Haleakala. Observers N. Primak, A. Schultz, S. Watters,
J. Thiel, T. Goggia. Measurer PS1 Science Consortium. 1.8-m
Ritchey-Chretien + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
Orbital elements:
2011 WK15 Earth MOID = 0.0919 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 249.34241 (2000.0) P Q
n 0.39205207 Peri. 72.07270 -0.98925665 -0.07053474
a 1.8488722 Node 103.73272 +0.01902892 -0.93057897
e 0.4736576 Incl. 7.57452 +0.14494547 -0.35923200
P 2.51 H 19.5 G 0.15 U 9
Residuals in seconds of arc
111122 F51 0.5- 0.1+ 111123 807 0.0 0.3+ 111123 H01 0.1- 0.1-
111122 F51 0.4+ 0.0 111123 807 0.0 0.0 111123 204 0.3- 0.1-
111122 F51 0.1+ 0.1- 111123 H01 0.2- 0.1- 111123 204 0.3+ 0.3+
111123 807 0.1+ 0.0 111123 H01 0.0 0.1-
111123 807 0.2+ 0.1+ 111123 H01 0.0 0.2-
Ephemeris:
2011 WK15 a,e,i = 1.85, 0.47, 8 q = 0.9731
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2011 10 25 03 10 00.5 +04 58 46 1.2227 2.1853 160.4 8.8 22.2
...
2011 11 09 02 49 06.6 +03 21 03 1.1364 2.1127 166.6 6.2 21.9
...
2011 11 17 02 36 51.4 +02 39 48 1.1159 2.0720 159.7 9.5 21.9
...
2011 11 23 02 27 54.8 +02 17 29 1.1117 2.0406 152.8 12.8 22.0
2011 11 24 02 26 28.7 +02 14 37 1.1119 2.0353 151.6 13.4 22.0
2011 11 25 02 25 03.8 +02 12 00 1.1123 2.0300 150.4 13.9 22.1
...
2011 12 01 02 17 06.4 +02 02 01 1.1198 1.9976 143.0 17.3 22.2
...
2011 12 09 02 08 17.8 +02 04 22 1.1409 1.9532 133.4 21.5 22.3
...
2011 12 24 01 58 38.8 +02 55 38 1.2051 1.8665 116.7 28.1 22.5
A. U. Tomatic (C) Copyright 2011 MPC M.P.E.C. 2011-W42
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