MPEC 2009-A09 : 2008 YW32
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M.P.E.C. 2009-A09 Issued 2009 Jan. 2, 17:28 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 YW32
Observations:
K08Y32W* C2008 12 31.30057 08 06 16.87 +26 21 28.5 21.3 V EA009691
K08Y32W C2008 12 31.31871 08 06 21.74 +26 21 11.2 20.8 V EA009691
K08Y32W C2008 12 31.33709 08 06 26.56 +26 20 54.4 20.9 V EA009691
K08Y32W tC2008 12 31.41971 08 06 48.40 +26 19 29.4 21.0 V EA009291
K08Y32W tC2008 12 31.42413 08 06 49.59 +26 19 24.3 21.4 V EA009291
K08Y32W tC2008 12 31.42881 08 06 50.85 +26 19 19.0 21.3 V EA009291
K08Y32W HC2008 12 31.43829 08 06 53.37 +26 19 08.5 EA009291
K08Y32W C2008 12 31.44143 08 06 53.87 +26 19 00.0 20.5 R EA009H01
K08Y32W HC2008 12 31.44257 08 06 54.59 +26 19 02.9 EA009291
K08Y32W C2008 12 31.44273 08 06 54.22 +26 18 58.5 20.4 R EA009H01
K08Y32W HC2008 12 31.44671 08 06 55.67 +26 19 00.0 EA009291
K08Y32W C2008 12 31.44779 08 06 55.57 +26 18 52.7 20.5 R EA009H01
K08Y32W C2008 12 31.45252 08 06 56.84 +26 18 47.4 20.6 R EA009H01
K08Y32W HC2009 01 01.27989 08 11 01.63 +26 05 04.0 EA009291
K08Y32W HC2009 01 01.28478 08 11 02.82 +26 05 00.5 EA009291
K08Y32W HC2009 01 01.28932 08 11 03.96 +26 04 57.6 EA009291
K08Y32W C2009 01 01.32927 08 11 13.08 +26 04 18.7 20.7 R EA009H01
K08Y32W C2009 01 01.33311 08 11 14.00 +26 04 15.1 20.5 R EA009H01
K08Y32W C2009 01 01.33802 08 11 15.16 +26 04 10.6 20.6 R EA009H01
K08Y32W C2009 01 01.34179 08 11 16.08 +26 04 07.1 20.6 R EA009H01
K08Y32W C2009 01 01.42749 08 11 36.74 +26 02 43.6 21.2 V EA009G96
K08Y32W C2009 01 01.43478 08 11 38.47 +26 02 35.9 21.1 V EA009G96
K08Y32W C2009 01 01.44211 08 11 40.20 +26 02 28.2 21.2 V EA009G96
K08Y32W C2009 01 01.44939 08 11 42.00 +26 02 20.2 21.4 V EA009G96
K08Y32W C2009 01 02.33353 08 15 35.13 +25 48 19.4 20.7 R EA009H01
K08Y32W C2009 01 02.34152 08 15 36.84 +25 48 12.1 20.5 R EA009H01
K08Y32W C2009 01 02.34497 08 15 37.57 +25 48 09.2 20.8 R EA009H01
K08Y32W HC2009 01 02.44791 08 15 59.89 +25 46 32.3 EA009291
K08Y32W C2009 01 02.45255 08 16 00.84 +25 46 27.9 21.7 V EA009291
K08Y32W HC2009 01 02.45673 08 16 01.78 +25 46 23.2 EA009291
Observer details:
291 LPL/Spacewatch II. Observers R. S. McMillan, J. V. Scotti. 1.8-m f/2.7
reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer R. S. McMillan. 0.9-m f/3
reflector + CCD.
G96 Mt. Lemmon Survey. Observer E. Beshore. 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.
Orbital elements:
2008 YW32 Earth MOID = 0.0384 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 358.04532 (2000.0) P Q
n 0.27503005 Peri. 2.14569 +0.28547316 -0.95824532
a 2.3417972 Node 71.26749 +0.87904353 +0.25495759
e 0.5627755 Incl. 0.99599 +0.38182136 +0.12947024
P 3.58 H 25.1 G 0.15 U 7
Residuals in seconds of arc
081231 691 0.4+ 0.2- 081231 291 0.6+ 1.1+ 090101 G96 0.2- 0.1+
081231 691 0.4+ 0.5- 081231 H01 0.1- 0.3- 090101 G96 0.3- 0.1+
081231 691 0.7- 0.3+ 081231 H01 0.1- 0.2- 090101 G96 0.5- 0.2+
081231 291 0.7- 0.6+ 090101 291 0.1- 1.4- 090101 G96 0.3+ 0.0
081231 291 0.5- 0.3+ 090101 291 0.2- 0.7- 090102 H01 0.1- 0.4+
081231 291 0.2- 0.2+ 090101 291 0.3+ 0.4+ 090102 H01 0.0 0.3+
081231 291 0.2- 0.1+ 090101 H01 0.1- 0.0 090102 H01 0.1- 0.6+
081231 H01 0.0 0.2- 090101 H01 0.1- 0.0 090102 291 0.3+ 0.0
081231 291 0.9+ 0.7- 090101 H01 0.2- 0.2+ 090102 291 0.3- 0.4+
081231 H01 0.0 0.3- 090101 H01 0.0 0.2+ 090102 291 0.3+ 0.0
Ephemeris:
2008 YW32 a,e,i = 2.34, 0.56, 1 q = 1.0239
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 12 30 07 59.16 +26 44.4 0.0850 1.064 161.1 17.4 20.8
2008 12 31 08 04.68 +26 26.9 0.0888 1.068 160.9 17.6 20.9
2009 01 01 08 09.66 +26 10.0 0.0927 1.071 160.7 17.6 21.0
2009 01 02 08 14.17 +25 53.8 0.0966 1.075 160.7 17.6 21.1
2009 01 03 08 18.23 +25 38.3 0.101 1.079 160.8 17.4 21.2
2009 01 04 08 21.92 +25 23.7 0.105 1.083 161.0 17.2 21.3
2009 01 05 08 25.25 +25 09.7 0.109 1.087 161.2 17.0 21.4
2009 01 06 08 28.27 +24 56.5 0.113 1.091 161.5 16.6 21.4
2009 01 07 08 31.01 +24 44.0 0.117 1.095 161.8 16.2 21.5
2009 01 08 08 33.50 +24 32.2 0.122 1.100 162.3 15.8 21.6
2009 01 09 08 35.75 +24 21.0 0.126 1.104 162.7 15.3 21.7
2009 01 10 08 37.80 +24 10.4 0.131 1.109 163.2 14.8 21.7
2009 01 11 08 39.66 +24 00.4 0.135 1.114 163.8 14.3 21.8
2009 01 12 08 41.34 +23 50.9 0.140 1.119 164.4 13.7 21.9
2009 01 13 08 42.87 +23 41.9 0.145 1.124 165.0 13.1 21.9
2009 01 14 08 44.25 +23 33.4 0.149 1.129 165.6 12.5 22.0
2009 01 15 08 45.50 +23 25.3 0.154 1.134 166.3 11.8 22.0
2009 01 16 08 46.63 +23 17.6 0.159 1.139 167.0 11.2 22.1
2009 01 17 08 47.65 +23 10.3 0.164 1.145 167.7 10.5 22.1
2009 01 18 08 48.57 +23 03.4 0.169 1.150 168.4 9.9 22.2
2009 01 19 08 49.40 +22 56.8 0.174 1.156 169.2 9.2 22.2
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-A09
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