MPEC 2009-S139: 2002 WQ
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M.P.E.C. 2009-S139 Issued 2009 Sept. 29, 12:50 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
2002 WQ
Revision to MPEC 2002-W32
Additional Observations:
K02W00Q C2009 09 28.48854 07 35 13.18 +03 23 01.3 20.9 R ES139926
K02W00Q C2009 09 28.49336 07 35 13.98 +03 23 07.4 ES139926
K02W00Q C2009 09 28.49817 07 35 14.95 +03 23 13.3 20.8 R ES139926
K02W00Q C2009 09 29.48830 07 38 20.64 +03 43 07.5 20.8 R ES139926
K02W00Q C2009 09 29.49310 07 38 21.53 +03 43 12.8 21.3 R ES139926
Observer details:
926 Tenagra II Observatory. Observers P. R. Holvorcem, M. Schwartz. Measurer
P. R. Holvorcem. 0.81-m f/7 Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
090928 926 0.10- 0.12- 090929 926 0.10- 0.12- MPO 57908 +0.19 day
Orbital elements:
2002 WQ Earth MOID = 0.2457 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC
M 329.75001 (2000.0) P Q
n 0.28481010 Peri. 334.30295 +0.43539760 -0.70684948
a 2.2878759 Node 85.07581 +0.89190106 +0.25461499
e 0.4756339 Incl. 34.02490 +0.12223516 +0.65995077
P 3.46 H 18.5 G 0.15 U 2
Residuals in seconds of arc
021117 644 0.4+ 0.5+ 021122 926 0.6+ 0.4- 021215 704 0.6+ 0.3+
021118 644 0.5- 0.0 021122 926 0.6+ 1.0- 021215 704 0.2+ 0.1-
021118 644 0.2- 0.5+ 021128 649 0.7- 0.4- 021215 704 0.2+ 0.7-
021118 644 0.5- 0.1- 021128 649 0.6- 0.7- 021227 704 0.7+ 0.4-
021119 673 0.4- 1.1- 021128 649 0.4- 1.2- 021227 704 0.0 0.2-
021119 673 1.0- 1.4- 021128 649 0.4- 1.1- 021227 704 0.4- 0.2+
021119 673 1.1- 1.0- 021201 649 0.0 0.1- 021227 704 0.3- 0.3+
021119 734 0.2+ 0.0 021201 649 0.0 0.3- 021228 704 0.0 0.7+
021119 734 0.5- 0.2- 021201 649 0.6- 0.0 021228 704 0.3- 0.2-
021119 734 0.6- 0.1+ 021206 704 0.5+ 0.3+ 021228 704 0.8- 0.2+
021119 926 0.9+ 1.5+ 021206 704 0.6+ 0.9+ 021228 704 0.0 0.3+
021119 926 0.5+ 0.5+ 021206 704 0.8+ 0.6+ 021228 704 0.6- 0.2-
021119 926 0.2+ 0.4+ 021206 704 0.5+ 0.4+ 021229 448 0.1- 0.1-
021119 926 0.0 0.4+ 021206 704 0.2+ 0.0 021229 448 0.3+ 0.1+
021120 673 0.1+ 0.1+ 021208 118 0.2+ 0.2+ 021229 448 0.3- 0.2+
021120 673 0.3- 0.1- 021208 118 0.2+ 0.2+ 021229 587 0.5- 0.1+
021120 673 0.3+ 0.4+ 021208 118 0.2+ 0.0 021229 587 0.1- 0.0
021121 673 0.5- 0.2- 021209 118 0.7- 0.3- 021229 587 0.0 0.5-
021121 673 0.5- 0.5- 021209 118 0.3- 0.4- 030201 540 0.2+ 0.0
021121 673 0.4- 0.1- 021209 118 0.0 0.2- 030201 540 0.2+ 0.5-
021121 926 0.5+ 0.1+ 021210 118 0.1- 0.3- 030201 540 0.7- 0.5+
021121 926 0.0 1.6+ 021210 118 0.0 0.1+ 090928 926 0.5+ 0.3-
021121 926 0.9+ 0.5+ 021210 118 0.6+ 0.1+ 090928 926 0.9- 0.0
021122 673 0.2- 0.0 021212 926 0.3+ 0.8- 090928 926 0.3+ 0.1+
021122 673 0.3- 0.1+ 021212 926 0.3- 0.2+ 090929 926 0.2+ 0.3+
021122 673 0.1- 0.1+ 021212 926 1.0+ 0.2+ 090929 926 0.2+ 0.2-
021122 926 1.1+ 1.8+ 021215 704 0.4+ 0.6+
Ephemeris:
2002 WQ a,e,i = 2.29, 0.48, 34 q = 1.1997
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 09 26 07 27.45 +02 33.7 1.067 1.202 70.9 52.0 21.0
2009 10 06 07 58.77 +05 57.8 1.024 1.200 72.7 52.7 20.9
2009 10 16 08 30.46 +09 37.7 0.982 1.209 75.3 52.9 20.8
2009 10 26 09 02.52 +13 34.3 0.944 1.227 78.5 52.6 20.8
2009 11 05 09 34.87 +17 48.0 0.910 1.253 82.3 51.6 20.7
2009 11 15 10 07.27 +22 18.0 0.882 1.288 86.8 50.1 20.6
2009 11 25 10 39.23 +27 02.9 0.862 1.329 91.6 48.0 20.6
2009 12 05 11 10.15 +31 59.4 0.851 1.375 96.7 45.4 20.6
2009 12 15 11 39.22 +37 02.9 0.849 1.426 101.9 42.5 20.6
2009 12 25 12 05.41 +42 08.1 0.857 1.481 107.0 39.4 20.6
2010 01 04 12 27.55 +47 07.5 0.876 1.538 111.5 36.5 20.6
2010 01 14 12 44.29 +51 53.4 0.905 1.597 115.4 33.8 20.7
2010 01 24 12 54.06 +56 16.2 0.945 1.658 118.4 31.5 20.8
2010 02 03 12 55.38 +60 03.5 0.996 1.719 120.4 29.7 21.0
2010 02 13 12 47.33 +63 01.9 1.056 1.780 121.2 28.3 21.1
2010 02 23 12 30.54 +64 56.7 1.127 1.842 120.8 27.5 21.3
2010 03 05 12 08.38 +65 37.9 1.208 1.903 119.5 27.0 21.5
2010 03 15 11 45.91 +65 06.1 1.298 1.963 117.2 26.8 21.7
2010 03 25 11 27.64 +63 31.9 1.398 2.023 114.2 26.7 22.0
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-S139
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