MPEC 2009-U111: 2008 SP266
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M.P.E.C. 2009-U111 Issued 2009 Oct. 27, 03:52 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 SP266
Revision to MPEC 2008-Y07
Additional Observations:
K08SQ6P C2009 08 19.39914 00 40 10.62 -10 42 33.8 EU111675
K08SQ6P C2009 08 19.49425 00 40 10.28 -10 42 37.9 EU111675
K08SQ6P C2009 08 20.30156 00 40 07.62 -10 43 11.7 EU111675
K08SQ6P C2009 09 18.34538 00 38 04.71 -11 03 33.5 20.9 R EU111688
K08SQ6P C2009 09 18.43627 00 38 04.24 -11 03 37.3 EU111688
Observer details:
675 Palomar Mountain. Observers M. E. Schwamb, M. E. Brown. 1.5-m f/8.5
Cassegrain + CCD.
688 Lowell Observatory, Anderson Mesa Station. Observer L. H. Wasserman.
1.8-m Perkins telescope + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees) and reference
090819 675 0.04- 0.01- 090918 688 0.04- 0.01- MPO151079
Orbital elements:
2008 SP266
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 355.71788 (2000.0) P Q
n 0.00372515 Peri. 230.63362 +0.95121078 -0.22671379
a 41.2135517 Node 141.13302 +0.25804112 +0.95640567
e 0.1230189 Incl. 19.48191 -0.16915327 +0.18408978
P 265 H 5.7 G 0.15 U 6
Residuals in seconds of arc
080926 675 0.3+ 0.3+ 081020 807 0.1+ 0.6- 090820 675 0.1- 0.0
080926 675 0.4- 0.1- 081130 807 0.2- 0.0 090918 688 0.2+ 0.0
080928 675 0.2- 0.4+ 081130 807 0.0 0.1+ 090918 688 0.0 0.1-
080928 675 0.1- 0.1- 090819 675 0.1+ 0.1+
081020 807 0.7+ 0.2- 090819 675 0.2- 0.0
Ephemeris:
2008 SP266 a,e,i = 41.21, 0.12, 19 q = 36.144
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 10 26 00 34.96 -11 23.7 35.318 36.164 148.0 0.8 21.4
2009 11 05 00 34.23 -11 26.7 35.413 36.164 138.7 1.0 21.4
2009 11 15 00 33.62 -11 28.4 35.532 36.164 129.1 1.2 21.4
2009 11 25 00 33.13 -11 28.8 35.670 36.163 119.3 1.4 21.4
2009 12 05 00 32.79 -11 27.8 35.823 36.163 109.5 1.5 21.5
2009 12 15 00 32.62 -11 25.5 35.985 36.163 99.6 1.5 21.5
2009 12 25 00 32.62 -11 22.0 36.153 36.162 89.7 1.6 21.5
2010 01 04 00 32.80 -11 17.3 36.321 36.162 79.9 1.5 21.5
2010 01 14 00 33.16 -11 11.7 36.484 36.162 70.1 1.5 21.5
2010 01 24 00 33.69 -11 05.2 36.637 36.161 60.5 1.4 21.5
2010 02 03 00 34.38 -10 58.1 36.774 36.161 50.9 1.2 21.5
2010 02 13 00 35.21 -10 50.5 36.894 36.161 41.5 1.0 21.5
2010 02 23 00 36.15 -10 42.7 36.991 36.160 32.5 0.8 21.5
Brian G. Marsden (C) Copyright 2009 MPC M.P.E.C. 2009-U111
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