MPEC 2009-U110: 2008 QY40
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M.P.E.C. 2009-U110 Issued 2009 Oct. 27, 03:46 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 QY40
Revision to MPEC 2009-A21
Additional Observations:
K08Q40Y C2009 07 26.38519 00 07 32.65 -21 43 47.3 EU110675
K08Q40Y C2009 07 29.37638 00 07 25.49 -21 45 38.1 EU110675
K08Q40Y C2009 07 29.46897 00 07 25.27 -21 45 41.9 EU110675
K08Q40Y C2009 07 30.37266 00 07 22.95 -21 46 15.7 EU110675
K08Q40Y C2009 07 30.46937 00 07 22.69 -21 46 19.1 EU110675
K08Q40Y C2009 10 12.24925 00 01 44.51 -22 22 31.9 20.7 R EU110688
K08Q40Y C2009 10 12.30853 00 01 44.22 -22 22 32.2 EU110688
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 and reference
090726 675 12.1+ 2.5+ 091012 688 12.5+ 0.9+ MPO151071
Orbital elements:
2008 QY40
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 349.86374 (2000.0) P Q
n 0.00196682 Peri. 332.91498 +0.93098105 -0.22038941
a 63.0898198 Node 43.23619 +0.36100175 +0.67441782
e 0.4184244 Incl. 25.14228 -0.05433254 +0.70469079
P 501 H 5.3 G 0.15 U 5
Residuals in seconds of arc
080825 675 0.5+ 0.4- 080926 675 0.1- 0.0 090729 675 0.1+ 0.1-
080825 675 0.4+ 0.5- 081020 807 0.5+ 0.0 090730 675 0.0 0.1-
080826 675 0.1- 0.4- 081020 807 0.2+ 0.1+ 090730 675 0.1+ 0.1+
080826 675 0.7- 0.0 081130 807 0.2- 0.4+ 091012 688 0.1- 0.3-
080925 675 0.1+ 0.4+ 081130 807 0.3- 0.2+ 091012 688 0.1+ 0.0
080925 675 0.4- 0.3+ 090726 675 0.0 0.1+
080926 675 0.1- 0.0 090729 675 0.2- 0.2+
Ephemeris:
2008 QY40 a,e,i = 63.09, 0.42, 25 q = 36.692
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 10 26 00 00.67 -22 23.3 37.208 37.909 134.3 1.1 21.2
2009 11 05 00 00.01 -22 22.2 37.323 37.905 125.4 1.2 21.2
2009 11 15 23 59.47 -22 19.7 37.455 37.900 116.1 1.3 21.2
2009 11 25 23 59.09 -22 15.7 37.600 37.896 106.7 1.4 21.3
2009 12 05 23 58.87 -22 10.3 37.755 37.891 97.2 1.5 21.3
2009 12 15 23 58.83 -22 03.7 37.913 37.887 87.7 1.5 21.3
2009 12 25 23 58.96 -21 56.1 38.071 37.882 78.2 1.5 21.3
2010 01 04 23 59.28 -21 47.6 38.222 37.878 68.8 1.4 21.3
2010 01 14 23 59.77 -21 38.3 38.362 37.874 59.6 1.3 21.3
2010 01 24 00 00.42 -21 28.6 38.488 37.869 50.5 1.1 21.3
2010 02 03 00 01.21 -21 18.7 38.595 37.865 41.7 1.0 21.3
2010 02 13 00 02.12 -21 08.8 38.680 37.860 33.4 0.8 21.3
Brian G. Marsden (C) Copyright 2009 MPC M.P.E.C. 2009-U110
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