MPEC 2008-X47 : 2006 QJ181
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M.P.E.C. 2008-X47 Issued 2008 Dec. 6, 00:08 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
2006 QJ181
Revision to MPEC 2006-W102
Additional Observations:
K06QI1J C2007 10 11.42511 04 09 10.79 +23 22 08.9 21.6 R EX047688
K06QI1J C2007 10 11.48574 04 09 10.53 +23 22 08.6 EX047688
K06QI1J C2008 10 22.42941 04 17 17.17 +22 58 18.5 21.7 EX047695
K06QI1J C2008 10 22.47996 04 17 16.91 +22 58 17.5 21.7 EX047695
K06QI1J C2008 10 24.42245 04 17 07.88 +22 57 45.0 21.6 EX047695
K06QI1J C2008 10 24.50821 04 17 07.47 +22 57 43.4 21.4 EX047695
Observer details:
688 Lowell Observatory, Anderson Mesa Station. Observer L. H. Wasserman.
1.8-m Perkins telescope + CCD.
695 Kitt Peak. Observers J. W. Parker, J. Kavelaars, A. Parker. Measurer
J. W. Parker. 3.5-m reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc and reference
071011 688 2.8+ 8.0- 081024 695 56.8+ 25.4- MPO114780
Orbital elements:
2006 QJ181
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 346.35785 (2000.0) P Q
n 0.00199985 Peri. 218.99122 -0.28581193 -0.90243951
a 62.3933532 Node 249.77724 +0.94253226 -0.20398650
e 0.4933990 Incl. 20.09237 +0.17304470 -0.37946336
P 493 H 6.3 G 0.15 U 4
Residuals in seconds of arc
060821 807 0.0 0.2- 061020 695 0.0 0.1+ 071011 688 0.3- 0.3-
060822 807 0.1- 0.2- 061020 695 0.1- 0.0 081022 695 0.2+ 0.3+
060823 807 0.1+ 0.2- 061221 695 0.1- 0.2+ 081022 695 0.2- 0.1+
061019 695 0.1+ 0.1+ 061221 695 0.2- 0.0 081024 695 0.0 0.1+
061019 695 0.1- 0.2+ 061224 688 0.4+ 0.1- 081024 695 0.1+ 0.0
061019 695 0.3+ 0.4+ 061224 688 0.2- 0.1-
061019 695 0.1- 0.2+ 071011 688 0.1+ 0.8-
Ephemeris:
2006 QJ181 a,e,i = 62.39, 0.49, 20 q = 31.609
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 11 30 04 13.68 +22 45.3 33.754 34.739 177.1 0.1 21.7
2008 12 10 04 12.67 +22 41.5 33.770 34.731 167.1 0.4 21.7
2008 12 20 04 11.72 +22 37.8 33.816 34.722 156.8 0.6 21.8
2008 12 30 04 10.86 +22 34.1 33.890 34.714 146.4 0.9 21.8
2009 01 09 04 10.13 +22 30.8 33.991 34.705 136.0 1.1 21.8
2009 01 19 04 09.56 +22 27.7 34.113 34.697 125.7 1.3 21.8
2009 01 29 04 09.17 +22 25.2 34.254 34.688 115.4 1.5 21.9
2009 02 08 04 08.97 +22 23.1 34.407 34.680 105.3 1.6 21.9
2009 02 18 04 08.99 +22 21.5 34.569 34.671 95.1 1.6 21.9
2009 02 28 04 09.21 +22 20.5 34.733 34.663 85.1 1.6 21.9
2009 03 10 04 09.65 +22 20.1 34.895 34.655 75.2 1.6 21.9
2009 03 20 04 10.28 +22 20.2 35.049 34.646 65.4 1.5 21.9
2009 03 30 04 11.09 +22 20.8 35.191 34.638 55.7 1.4 21.9
2009 04 09 04 12.06 +22 21.8 35.317 34.630 46.0 1.2 21.9
2009 04 19 04 13.17 +22 23.2 35.423 34.621 36.5 1.0 21.9
This object is evidently associated with the Neptune 1:3 resonance.
Brian G. Marsden (C) Copyright 2008 MPC M.P.E.C. 2008-X47
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