MPEC 2009-S97 : 2003 QA112
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M.P.E.C. 2009-S97 Issued 2009 Sept. 25, 23:02 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
2003 QA112
Revision to MPEC 2003-S19
Additional Observations:
K03QB2A C2004 05 28.30263 23 10 46.50 -10 34 41.7 22.8 R ES097304
K03QB2A C2004 05 28.43256 23 10 46.67 -10 34 40.6 ES097304
K03QB2A C2009 08 20.39468 23 25 18.36 -07 33 19.2 22.6 R ES097688
K03QB2A C2009 08 20.43944 23 25 18.21 -07 33 20.5 ES097688
K03QB2A C2009 09 17.32882 23 23 25.59 -07 44 08.8 22.3 R ES097688
K03QB2A C2009 09 17.38050 23 23 25.37 -07 44 10.2 ES097688
K03QB2A C2009 09 18.31507 23 23 21.50 -07 44 31.4 22.3 R ES097688
K03QB2A C2009 09 18.37524 23 23 21.22 -07 44 32.6 ES097688
Observer details:
304 Las Campanas Observatory. Observers S. D. Kern, J. L. Elliot,
K. B. Clancy. Measurer S. D. Kern. Clay 6.5-m telescope + 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
040528 304 0.6- 0.1+ 090918 688 83.0+ 66.8+ MPO 66314
Orbital elements:
2003 QA112
Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC
M 156.54141 (2000.0) P Q
n 0.00351180 Peri. 186.11798 -0.99295413 +0.11844990
a 42.8663033 Node 0.71224 -0.09366366 -0.76682712
e 0.1137276 Incl. 15.98087 -0.07258932 -0.63082944
P 281 H 6.0 G 0.15 U 5
Residuals in seconds of arc
030826 807 0.4+ 0.2+ 031122 695 0.1- 0.0 090917 688 0.3+ 0.2+
030826 807 0.4+ 0.3+ 040528 304 0.0 0.5- 090917 688 0.3+ 0.0
030903 304 0.3- 0.0 040528 304 0.1+ 0.0 090918 688 0.1+ 0.1-
030903 304 0.4- 0.0 090820 688 0.4- 0.1+ 090918 688 0.3- 0.1+
031120 695 0.1- 0.1- 090820 688 0.1- 0.2-
Ephemeris:
2003 QA112 a,e,i = 42.87, 0.11, 16 q = 37.991
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 09 26 23 22.84 -07 47.3 46.454 47.424 165.1 0.3 22.8
2009 10 06 23 22.18 -07 50.7 46.515 47.425 155.3 0.5 22.8
2009 10 16 23 21.59 -07 53.5 46.603 47.426 145.3 0.7 22.8
2009 10 26 23 21.07 -07 55.8 46.715 47.427 135.3 0.8 22.9
2009 11 05 23 20.64 -07 57.3 46.849 47.428 125.2 1.0 22.9
2009 11 15 23 20.33 -07 58.1 47.000 47.428 115.1 1.1 22.9
2009 11 25 23 20.14 -07 58.0 47.165 47.429 105.0 1.2 22.9
2009 12 05 23 20.08 -07 57.1 47.337 47.430 94.9 1.2 22.9
2009 12 15 23 20.16 -07 55.3 47.511 47.431 84.8 1.2 22.9
2009 12 25 23 20.38 -07 52.6 47.683 47.432 74.7 1.1 22.9
2010 01 04 23 20.72 -07 49.2 47.847 47.433 64.6 1.1 22.9
Brian G. Marsden (C) Copyright 2009 MPC M.P.E.C. 2009-S97
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