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M.P.E.C. 2002-X28 Issued 2002 Dec. 5, 14:59 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://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
1997 QK1
Revision to MPEC 1997-S08
Additional Observations:
J97Q01K 2C2002 12 03.36797605 08 56.090+26 31 08.70 23.3 R 568
J97Q01K 2C2002 12 03.38190005 08 54.858+26 31 06.73 23.3 R 568
J97Q01K 2C2002 12 04.50282305 07 18.787+26 28 25.94 23.8 R 568
J97Q01K 2C2002 12 04.51106605 07 18.068+26 28 24.64 23.8 R 568
Observer details:
568 Mauna Kea. Observer D. J. Tholen. 2.2-m University of Hawaii reflector
+ CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
021203 568 17.0+ 0.7+ 021204 568 16.9+ 0.7+ MPC 34586 -0.016 day
Orbital elements:
1997 QK1 PHA 0.002
Epoch 2002 Nov. 22.0 TT = JDT 2452600.5 MPC
M 46.10206 (2000.0) P Q
n 0.21091888 Peri. 2.51376 +0.63809397 +0.76891229
a 2.7950683 Node 307.13937 -0.70729835 +0.56477656
e 0.6415097 Incl. 2.88514 -0.30424520 +0.29966871
P 4.67 H 20.2 G 0.15 U 1
Residuals in seconds of arc
970827 568 0.4+ 0.4- 970922 118 0.3+ 0.8- 971001 684 0.5+ 0.5-
970827 568 0.9- 0.1+ 970922 118 0.2- 0.1- 971001 587 0.1- 1.0-
970828 568 0.6- 0.4- 970922 118 0.7+ 0.0 971001 587 0.8- 1.3+
970828 568 1.0- 0.1+ 970923 118 0.8- 0.3- 971005 046 0.3- 0.1+
970828 568 0.6- 0.6- 970923 118 0.7- 0.4- 971005 046 0.4- 0.2+
970828 568 1.5- 0.4+ 970924 118 0.5- 0.9- 971005 046 1.0- 0.0
970829 568 0.2- 0.8- 970924 118 0.2+ 0.9- 971005 118 0.1- 0.4-
970829 568 0.0 0.1- 970924 118 0.0 0.4- 971005 118 0.3- 0.5-
970829 568 1.8+ 1.0- 970925 046 0.9+ 0.1+ 971005 118 0.4- 0.4-
970829 568 0.1- 0.3- 970925 046 0.2+ 0.2- 971008 402 0.8+ 1.2+
970829 568 0.6+ 0.2+ 970925 046 0.8- 0.9- 971008 402 0.8+ 0.0
970829 568 0.1+ 0.1- 970925 046 0.2- 0.7- 971008 402 1.6- 0.7-
970829 568 0.8+ 0.2- 970925 046 1.1+ 0.5+ 971008 104 0.4+ 1.8+
970830 568 0.8- 0.1+ 970926 557 0.2+ 0.4+ 971008 104 0.3+ 1.5+
970830 568 1.1- 0.3+ 970926 557 0.0 0.2+ 971008 104 0.7+ 0.9+
970830 568 0.2- 0.5+ 970926 557 0.2- 0.9+ 971018 118 0.2- 0.5+
970830 568 1.3- 0.9+ 970926 046 0.1- 0.0 971018 118 0.2+ 0.3+
970830 568 0.9- 0.3+ 970926 046 0.0 0.3+ 971018 118 0.1- 0.2-
970830 568 0.8- 0.7+ 970926 046 0.1- 0.3+ 971019 118 0.5+ 0.5+
970830 568 0.2- 0.2+ 970926 046 0.1+ 0.5+ 971019 118 0.7+ 0.8+
970830 568 0.1- 0.4+ 970926 046 0.6- 0.1+ 971020 658 1.2- 0.2+
970830 568 0.1- 0.0 970926 118 2.0+ 0.9- 971020 658 0.7- 0.3+
970830 568 1.1+ 0.3+ 970926 118 0.7+ 0.5- 971021 658 1.7+ 1.6+
970830 568 0.2- 0.2+ 970926 046 0.2- 0.6+ 971021 658 0.3- 0.2+
970830 568 0.2- 0.4+ 970926 046 1.3- 0.7+ 971021 658 0.5+ 0.5+
970830 422 1.8- 0.7+ 970926 587 1.1- 0.0 971024 658 0.4+ 1.5-
970830 422 0.6+ 0.8+ 970926 587 0.7+ 1.6+ 971024 658 1.0- 0.1-
970830 422 1.4+ 0.4+ 970926 587 1.8+ 1.1+ 971024 658 0.1+ 1.0-
970830 422 0.5+ 0.8- 970927 104 2.0+ 1.0- 971024 568 0.6+ 0.0
970831 711 (2.2- 0.6-) 970927 104 0.8+ 0.1+ 971024 568 0.3- 0.1-
970831 711 (2.8- 1.1+) 970927 587 0.0 0.7- 971024 568 0.2- 0.1-
970831 568 0.9+ 0.3+ 970927 587 0.3+ 0.0 971024 568 0.4+ 0.1-
970831 568 0.1+ 0.1+ 970927 046 0.1+ 0.3- 971024 568 0.4- 0.3+
970831 568 1.5+ 0.4+ 970927 046 0.0 1.1- 971024 568 0.8- 0.2+
970831 568 1.4+ 0.1+ 970927 046 0.5- 0.5+ 971024 568 0.1- 0.2+
970901 711 0.2+ 0.4+ 970927 046 1.4- 0.6+ 971024 568 0.2- 0.2+
970901 711 0.1- 0.3+ 970927 046 0.4+ 1.1+ 971105 381 1.0+ 0.5-
970901 711 0.5+ 0.4+ 970927 046 0.6+ 1.6- 971105 381 1.3- 0.2+
970902 711 1.0+ 0.3- 970927 587 0.6- 0.1+ 971107 381 1.8+ 0.4-
970902 711 0.1- 0.0 970927 587 0.4- 0.0 971107 381 (3.4+ 0.2-)
970902 711 0.1+ 0.3- 970927 118 0.4- 0.3- 971107 381 0.1+ 0.3+
970902 709 (3.4+ 0.3-) 970927 118 1.3- 1.1- 980131 568 0.3- 0.1+
970902 709 (2.1+ 0.1+) 970928 360 0.7- 0.6+ 980131 568 0.3- 0.1-
970902 709 (2.9+ 0.5-) 970928 360 0.7- 0.4+ 980131 568 0.0 0.1-
970919 360 0.2+ 0.4- 970928 360 0.5- 0.4+ 980131 568 0.1- 0.1-
970919 360 0.2+ 0.1+ 970929 402 0.7+ 0.6+ 980131 568 0.2- 0.0
970919 360 0.2+ 0.3- 970929 402 0.2+ 0.3+ 980131 568 0.1- 0.3+
970921 118 0.0 0.5- 970929 402 0.3+ 1.1+ 980201 568 0.0 0.2+
970921 118 0.2- 0.2+ 970930 684 1.0- 0.1- 980201 568 0.0 0.2+
970921 118 0.0 0.4- 970930 684 (2.2+ 0.3+) 980201 568 0.3- 0.1-
970921 118 0.2- 0.0 970930 684 1.0+ 0.0 980201 568 0.1- 0.1+
970921 118 0.1- 1.0- 970930 402 1.0+ 0.1+ 980201 568 0.1- 0.1+
970921 118 0.4+ 0.0 970930 402 0.3- 0.1- 021203 568 0.1+ 0.1+
970922 118 0.1- 0.8- 970930 402 0.4+ 0.9- 021203 568 0.1- 0.0
970922 118 0.2+ 1.4- 971001 684 0.4- 0.5- 021204 568 0.0 0.1+
970922 118 0.3- 0.8- 971001 684 0.8- 0.2+ 021204 568 0.0 0.1+
Ephemeris:
1997 QK1 a,e,i = 2.80, 0.64, 3 q = 1.0020
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2002 12 02 05 10.89 +26 34.3 1.657 2.633 169.9 3.8 23.8
2002 12 12 04 56.94 +26 08.2 1.720 2.702 174.8 1.9 23.8
2002 12 22 04 44.62 +25 37.3 1.814 2.769 162.8 6.0 24.2
2003 01 01 04 34.89 +25 06.0 1.937 2.835 150.5 9.8 24.5
2003 01 11 04 28.24 +24 38.3 2.086 2.899 138.8 12.9 24.9
Gareth V. Williams (C) Copyright 2002 MPC M.P.E.C. 2002-X28
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