MPEC 2009-W28 : 2009 WK1
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M.P.E.C. 2009-W28 Issued 2009 Nov. 18, 17:26 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 WK1
Observations:
K09W01K* C2009 11 17.29633 03 12 21.60 +15 52 37.8 21.1 V EW028G96
K09W01K C2009 11 17.30389 03 12 28.90 +15 52 13.2 20.6 V EW028G96
K09W01K C2009 11 17.31141 03 12 36.14 +15 51 48.4 20.2 V EW028G96
K09W01K C2009 11 17.31904 03 12 43.52 +15 51 23.0 20.1 V EW028G96
K09W01K C2009 11 17.36740 03 13 30.68 +15 48 37.8 20.8 V EW028G96
K09W01K C2009 11 17.37294 03 13 35.79 +15 48 22.2 20.2 V EW028G96
K09W01K C2009 11 17.37847 03 13 41.19 +15 48 02.9 20.5 V EW028G96
K09W01K C2009 11 17.39765 03 13 59.78 +15 46 45.6 19.4 R EW028H01
K09W01K C2009 11 17.40355 03 14 05.68 +15 46 24.5 19.2 R EW028H01
K09W01K C2009 11 17.40959 03 14 11.72 +15 46 03.1 19.2 R EW028H01
K09W01K C2009 11 17.41355 03 14 15.69 +15 45 49.0 19.2 R EW028H01
K09W01K C2009 11 17.41694 03 14 19.10 +15 45 36.7 19.3 R EW028H01
K09W01K C2009 11 17.86075 03 22 38.30 +15 19 20.4 EW028J95
K09W01K C2009 11 17.87368 03 22 51.73 +15 18 37.1 20.3 R EW028J95
K09W01K tC2009 11 18.14482 03 27 56.23 +15 03 23.2 20.3 V EW028291
K09W01K C2009 11 18.21740 03 29 11.73 +14 59 13.8 20.6 R EW028926
K09W01K C2009 11 18.22032 03 29 14.68 +14 59 03.2 20.6 R EW028926
K09W01K C2009 11 18.22326 03 29 17.75 +14 58 52.8 20.5 R EW028926
K09W01K C2009 11 18.32701 03 31 03.97 +14 52 22.5 19.8 V EW028G96
K09W01K C2009 11 18.33556 03 31 12.75 +14 51 49.1 20.2 V EW028G96
K09W01K C2009 11 18.34427 03 31 21.75 +14 51 15.6 20.3 V EW028G96
K09W01K C2009 11 18.35281 03 31 30.54 +14 50 41.6 20.1 V EW028G96
K09W01K C2009 11 18.37059 03 31 48.18 +14 49 23.1 19.7 R EW028H01
K09W01K C2009 11 18.37411 03 31 51.86 +14 49 08.9 19.4 R EW028H01
K09W01K C2009 11 18.37755 03 31 55.45 +14 48 55.1 19.5 R EW028H01
K09W01K C2009 11 18.38264 03 32 00.78 +14 48 34.6 19.4 R EW028H01
Observer details:
291 LPL/Spacewatch II. Observer R. S. McMillan. 1.8-m f/2.7 reflector + CCD.
926 Tenagra II Observatory. Observers P. R. Holvorcem, M. Schwartz. Measurer
P. R. Holvorcem. 0.81-m f/7 Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observer S. M. Larson. Measurers E. C. Beshore,
A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer, R. E. Hill,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 1.5-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.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2009 WK1 Earth MOID = 0.0302 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 16.94972 (2000.0) P Q
n 0.48727794 Peri. 195.71272 +0.35423980 -0.93402475
a 1.5993796 Node 233.56221 +0.86402370 +0.34569890
e 0.3660936 Incl. 3.27470 +0.35773902 +0.08994462
P 2.02 H 27.1 G 0.15 U 6
Residuals in seconds of arc
091117 G96 0.0 0.0 091117 H01 0.2- 0.1+ 091118 G96 0.3+ 0.0
091117 G96 0.2+ 0.1+ 091117 H01 0.2- 0.1+ 091118 G96 0.2+ 0.2-
091117 G96 0.1+ 0.0 091117 H01 0.2- 0.1- 091118 G96 0.6+ 0.3+
091117 G96 0.2+ 0.2- 091117 J95 0.5+ 0.1- 091118 G96 0.4+ 0.2-
091117 G96 (2.3+ 1.9-) 091117 J95 0.3- 0.0 091118 H01 0.2- 0.2+
091117 G96 (2.3- 1.7+) 091118 291 0.3- 0.1+ 091118 H01 0.1- 0.1+
091117 G96 (2.8- 1.6+) 091118 926 0.2+ 0.0 091118 H01 0.2- 0.1+
091117 H01 0.2- 0.3+ 091118 926 0.6- 0.1- 091118 H01 0.1- 0.0
091117 H01 0.1- 0.1+ 091118 926 0.1+ 0.0
Ephemeris:
2009 WK1 a,e,i = 1.60, 0.37, 3 q = 1.0139
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 11 15 02 35.07 +17 34.5 0.0372 1.026 169.1 10.5 20.7
2009 11 17 03 07.19 +16 09.4 0.0343 1.023 174.1 5.7 20.3
2009 11 19 03 43.90 +14 09.2 0.0321 1.020 174.5 5.3 20.1
2009 11 21 04 23.72 +11 33.8 0.0310 1.018 167.7 12.0 20.3
2009 11 23 05 04.23 +08 32.9 0.0309 1.017 159.4 20.0 20.6
2009 11 25 05 42.78 +05 24.8 0.0319 1.015 151.3 27.8 20.9
2009 11 27 06 17.38 +02 27.9 0.0338 1.014 144.1 34.8 21.2
2009 11 29 06 47.16 -00 06.3 0.0365 1.014 138.1 40.6 21.5
2009 12 01 07 12.12 -02 14.1 0.0399 1.014 133.3 45.0 21.9
2009 12 03 07 32.77 -03 57.1 0.0436 1.014 129.8 48.3 22.1
2009 12 05 07 49.77 -05 18.8 0.0477 1.015 127.2 50.7 22.4
Sonia Keys (C) Copyright 2009 MPC M.P.E.C. 2009-W28
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