MPEC 2008-W66 : 2008 WM61
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M.P.E.C. 2008-W66 Issued 2008 Nov. 25, 16:57 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 WM61
Observations:
K08W61M* C2008 11 24.20479 02 02 48.31 +08 49 34.6 18.9 EW066704
K08W61M C2008 11 24.21732 02 03 07.76 +08 47 55.8 18.9 EW066704
K08W61M C2008 11 24.23002 02 03 27.52 +08 46 14.9 18.6 EW066704
K08W61M C2008 11 24.24252 02 03 47.14 +08 44 33.8 19.5 EW066704
K08W61M C2008 11 24.85489 02 24 08.38 +07 10 31.3 EW066J95
K08W61M C2008 11 24.85565 02 24 09.88 +07 10 24.0 EW066J95
K08W61M C2008 11 24.85745 02 24 13.43 +07 10 06.5 17.9 R EW066J95
K08W61M C2008 11 25.17682902 36 14.94 +06 17 13.6 18.0 C EW066648
K08W61M C2008 11 25.18303202 36 28.09 +06 16 05.2 18.1 C EW066648
K08W61M C2008 11 25.18538 02 36 16.83 +06 14 13.9 18.6 V EW066H55
K08W61M C2008 11 25.18615702 36 34.65 +06 15 30.8 17.8 C EW066648
K08W61M C2008 11 25.18767 02 36 21.68 +06 13 48.1 18.6 V EW066H55
K08W61M C2008 11 25.18960 02 36 25.77 +06 13 26.4 18.5 V EW066H55
Observer details:
648 Winer Observatory, Sonoita. Observer M. Trueblood. Measurer R. Crawford.
0.5-m f/4.5 Newtonian reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Bezpalko, D. Torres,
R. Kracke, G. Spitz, J. Kistler. Measurers J. Stuart, S. Scruggs. 1.0-m
f/2.15 reflector + CCD.
H55 Astronomical Research Observatory, Charleston. Observer R. Holmes.
Measurer H. Devore. 0.61-m f/4.0 astrograph + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2008 WM61 Earth MOID = 0.0089 AU
Epoch 2008 Nov. 10.0 TT = JDT 2454780.5 MPC
M 344.46238 (2000.0) P Q
n 0.54344555 Peri. 197.51948 +0.20285182 -0.97829793
a 1.4871862 Node 240.79476 +0.90410236 +0.20368690
e 0.3352176 Incl. 2.77378 +0.37609848 +0.03801055
P 1.81 H 26.8 G 0.15
From 13 observations 2008 Nov. 24-25. E-assumed.
Ephemeris:
2008 WM61 a,e,i = 1.49, 0.34, 3 q = 0.9887
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 11 20 00 49.44 +13 45.3 0.0238 1.006 138.2 40.9 20.3
2008 11 21 01 00.53 +13 05.5 0.0212 1.004 139.7 39.5 20.0
2008 11 22 01 14.61 +12 12.8 0.0187 1.002 141.7 37.6 19.7
2008 11 23 01 32.85 +11 00.8 0.0163 1.001 144.6 34.9 19.3
2008 11 24 01 56.93 +09 19.7 0.0141 0.999 148.4 31.1 18.9
2008 11 25 02 29.19 +06 54.4 0.0121 0.998 153.3 26.4 18.4
2008 11 26 03 12.37 +03 26.7 0.0105 0.997 157.9 21.9 18.0
2008 11 27 04 08.01 -01 11.5 0.00938 0.995 157.7 22.1 17.7
2008 11 28 05 13.11 -06 27.7 0.00903 0.994 148.9 30.8 17.9
2008 11 29 06 18.56 -11 07.6 0.00950 0.993 136.4 43.2 18.3
2008 11 30 07 15.00 -14 20.7 0.0107 0.992 124.9 54.6 18.9
2008 12 01 07 59.01 -16 13.3 0.0124 0.992 116.1 63.3 19.5
2008 12 02 08 32.00 -17 13.9 0.0144 0.991 109.7 69.5 20.0
2008 12 03 08 56.67 -17 45.2 0.0166 0.990 105.2 73.8 20.5
2008 12 04 09 15.41 -18 00.7 0.0190 0.990 102.1 76.9 20.9
2008 12 05 09 29.94 -18 07.6 0.0214 0.989 99.8 79.0 21.2
2008 12 06 09 41.44 -18 09.9 0.0239 0.989 98.2 80.4 21.5
2008 12 07 09 50.74 -18 09.6 0.0265 0.989 97.2 81.3 21.7
2008 12 08 09 58.38 -18 07.9 0.0290 0.989 96.4 81.9 22.0
2008 12 09 10 04.76 -18 05.4 0.0316 0.989 96.0 82.2 22.1
2008 12 10 10 10.16 -18 02.5 0.0342 0.989 95.8 82.3 22.3
Brian G. Marsden (C) Copyright 2008 MPC M.P.E.C. 2008-W66
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