MPEC 2009-O10 : 2008 WK32
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M.P.E.C. 2009-O10 Issued 2009 July 18, 14:43 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
2008 WK32
Revision to MPEC 2008-W48
Additional Observations:
K08W32K QC2009 07 17.43118 12 59 22.35 -36 37 43.6 19.6 V EO010E12
K08W32K QC2009 07 18.42657 13 05 07.87 -37 32 00.9 19.8 V EO010E12
Observer details:
E12 Siding Spring Survey. Observer R. H. McNaught. 0.5-m Uppsala Schmidt
+ CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
090717 E12 17.2+ 3.8- 090718 E12 16.8+ 3.0- MPO154216 -0.0046 day
Orbital elements:
2008 WK32 Earth MOID = 0.0685 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC
M 21.71510 (2000.0) P Q
n 0.59761699 Peri. 139.75892 -0.92761449 +0.29580044
a 1.3958993 Node 58.86942 -0.37262743 -0.77540844
e 0.3787248 Incl. 15.45518 +0.02607972 -0.55789232
P 1.65 H 19.3 G 0.15 U 3
Residuals in seconds of arc
081121 291 0.8+ 0.1+ 081123 H55 0.1+ 0.0 081205 291 0.0 0.1+
081121 291 0.4+ 0.1+ 081123 H55 0.1+ 0.1- 081205 291 0.3- 0.1-
081121 291 0.6+ 0.4+ 081123 H55 0.2+ 0.0 081205 291 1.4- 0.3+
081121 291 0.1+ 0.1- 081123 J75 0.2+ 0.4- 081206 291 0.1- 0.1+
081121 291 0.1+ 0.0 081123 J75 0.1+ 0.2- 081206 291 1.1- 0.0
081121 291 0.2- 0.0 081123 J75 0.6+ 0.6- 081206 291 0.2- 1.9+
081121 H36 0.1- 0.4+ 081124 291 0.1- 0.1+ 081218 493 0.6+ 0.5-
081121 291 0.0 0.1- 081124 291 0.2+ 0.1+ 081218 493 0.4+ 0.4-
081121 H36 0.5+ 0.1- 081124 291 0.4- 0.1- 081221 291 0.0 0.0
081121 291 0.0 0.3- 081124 J47 0.4+ 0.0 081221 291 0.2+ 0.1-
081121 291 0.2- 0.3- 081124 J47 0.3+ 0.1+ 081221 291 0.1+ 0.1+
081121 A74 0.2- 0.0 081124 J47 0.0 0.1+ 090103 H55 0.2- 0.1-
081121 A74 0.5- 0.6- 081130 G96 0.2+ 0.3- 090103 H55 0.3+ 0.2+
081121 A74 0.4- 0.2- 081130 291 0.2- 0.0 090103 H55 0.2+ 0.1-
081122 H55 0.2+ 0.1- 081130 G96 0.2+ 0.2- 090120 291 0.3+ 0.2-
081122 H55 0.5+ 0.0 081130 291 0.2- 0.1- 090120 291 0.2+ 0.1-
081122 H55 0.1+ 0.0 081130 291 0.1- 0.0 090213 291 0.1- 0.2-
081122 291 0.1+ 0.1- 081130 G96 0.1+ 0.1- 090213 291 0.4- 0.2-
081122 291 0.1+ 0.2- 081130 G96 0.0 0.1- 090213 291 0.2- 0.2-
081122 291 0.0 0.2- 081202 704 0.5+ 0.5+ 090717 E12 0.1+ 0.1-
081122 291 0.1+ 0.2- 081202 704 0.9+ 1.0- 090718 E12 0.1- 0.1+
081122 291 0.1+ 0.0 081202 704 0.4+ 1.0-
081122 291 0.2+ 0.0 081202 704 0.3+ 1.3+
Ephemeris:
2008 WK32 a,e,i = 1.40, 0.38, 15 q = 0.8672
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 07 18 13 02.67 -37 09.0 0.399 1.116 93.8 65.3 19.9
2009 07 28 14 01.59 -44 23.4 0.461 1.175 98.5 58.7 20.1
2009 08 07 15 00.48 -48 27.6 0.536 1.235 101.1 53.7 20.4
2009 08 17 15 56.18 -50 10.3 0.622 1.294 102.0 50.0 20.7
2009 08 27 16 46.73 -50 16.0 0.717 1.351 101.6 47.1 21.0
2009 09 06 17 31.55 -49 18.9 0.819 1.407 100.3 44.8 21.3
2009 09 16 18 11.03 -47 42.0 0.927 1.461 98.1 43.0 21.6
2009 09 26 18 46.09 -45 40.3 1.042 1.512 95.3 41.3 21.9
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-O10
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