MPEC 2002-Y23 : 2001 QF6
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M.P.E.C. 2002-Y23 Issued 2002 Dec. 18, 23:23 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
2001 QF6
Revision to MPEC 2001-Q36
Additional Observations:
K01Q06F 9 1982 08 21.60513 22 36 17.98 -15 10 14.0 260
K01Q06F 9 1982 08 21.64679 22 36 17.01 -15 10 51.1 260
K01Q06F C2001 08 10.45881 22 10 35.40 -12 18 48.9 18.4 R 608
K01Q06F C2001 08 10.47015 22 10 35.04 -12 18 57.1 18.4 R 608
K01Q06F C2001 08 10.48039 22 10 34.76 -12 19 04.9 18.3 R 608
K01Q06F C2001 10 10.10141 21 52 07.38 -24 13 28.3 18.5 R 644
K01Q06F C2001 10 10.11209 21 52 07.54 -24 13 32.3 18.4 R 644
K01Q06F C2001 10 10.12285 21 52 07.69 -24 13 36.7 18.3 R 644
K01Q06F C2002 11 17.53693 08 08 53.93 +02 11 34.0 20.2 R 644
Observer details:
260 Siding Spring-DSS. Measurers R. Haver, A. Pelloni, G. Forti. 1.2-m
Schmidt.
608 Haleakala-NEAT/MSSS. Observers R. Bambery, E. F. Helin, S. Pravdo,
K. Lawrence, P. Kervin, R. Maeda, J. Africano, M. Hicks. Images located
and measured by R. Haver, A. Pelloni, G. Forti. 1.2-m reflector + CCD.
644 Palomar Mountain/NEAT. Observers R. Bambery, E. F. Helin, S. Pravdo,
K. Lawrence, M. Hicks, R. Thicksten. Images located and measured by
R. Haver, A. Pelloni, G. Forti.1.2-m Schmidt + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
820821 260 7.41- 0.16+ 021117 644 0.07- 0.02- MPO 18365 -0.0020 day
Orbital elements:
2001 QF6
Epoch 2002 Nov. 22.0 TT = JDT 2452600.5 MPC
M 15.25944 (2000.0) P Q
n 0.05178694 Peri. 239.30230 +0.87184141 -0.42682641
a 7.1283531 Node 144.30150 +0.45136968 +0.89059357
e 0.6873840 Incl. 24.31141 -0.19015247 +0.15704238
P 19.03 H 15.4 G 0.15 U 1
Residuals in seconds of arc
820821 260 0.6- 0.7- 010823 699 0.5+ 0.5+ 010824 644 0.2- 0.1-
820821 260 0.6+ 0.4- 010823 704 0.7+ 0.6+ 010825 704 0.4+ 0.5+
010810 608 0.1+ 0.5- 010823 699 0.6+ 1.6+ 010825 704 (2.1+ 2.7+)
010810 608 0.7- 0.1+ 010823 608 1.4+ 0.5+ 010825 704 (0.5+ 2.6+)
010810 608 0.8- 0.2+ 010823 608 1.6+ 0.2- 010825 704 (2.7+ 3.5+)
010815 608 0.7- 1.4- 010823 699 0.3- 0.5- 010825 704 (1.9+ 2.2+)
010815 608 0.5- 1.1- 010823 608 1.4+ 0.4+ 010827 360 0.1- 0.4-
010815 608 1.0- 1.2- 010823 413 0.1+ 0.0 010827 360 0.2- 0.4-
010816 704 0.3+ 0.3- 010823 413 0.4+ 0.0 010827 360 0.1- 0.4-
010816 704 0.5- 0.2- 010823 413 0.5+ 0.2- 010910 699 0.2+ 0.5-
010816 704 0.3- 0.2- 010823 422 0.8- 1.0- 010910 699 0.8+ 0.1-
010816 704 0.0 0.3+ 010823 422 0.2+ 0.1- 010910 699 0.7+ 0.3+
010818 704 0.2- 0.1+ 010823 422 0.7+ 0.2- 010910 699 0.1- 0.0
010818 704 0.0 0.9+ 010823 422 0.2- 0.6- 010911 704 0.6- 0.2+
010818 704 1.0+ 0.8+ 010823 413 0.3+ 0.2- 010911 704 0.3- 0.3-
010818 704 0.6+ 0.5+ 010823 413 0.1+ 0.3- 010911 704 0.2- 0.5-
010819 704 1.7- 0.0 010823 413 0.4+ 0.2- 010911 704 0.4- 0.2+
010819 704 1.4- 0.5- 010823 557 0.6+ 0.1- 010919 704 0.2+ 0.2-
010819 704 0.6- 0.6+ 010823 557 0.1- 0.6+ 010919 704 0.4- 0.2+
010823 704 0.4+ 0.3+ 010824 046 0.1- 0.5- 010919 704 0.7- 1.0-
010823 704 0.1- 0.5+ 010824 046 0.2+ 0.1- 011010 644 0.6- 0.1+
010823 699 0.3- 0.5+ 010824 046 0.2- 1.9+ 011010 644 0.3- 0.2+
010823 704 0.0 0.8+ 010824 644 0.2- 0.2+ 011010 644 0.1- 0.1-
010823 704 0.3+ 1.0+ 010824 644 0.2- 0.2+ 021117 644 0.1- 0.3+
Ephemeris:
2001 QF6 a,e,i = 7.13, 0.69, 24 q = 2.2284
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2002 12 12 08 03.77 +02 24.3 2.805 3.563 134.3 11.4 21.1
2002 12 22 07 58.68 +02 52.4 2.777 3.624 144.6 9.0 21.0
2003 01 01 07 52.40 +03 33.9 2.773 3.685 154.4 6.6 20.9
2003 01 11 07 45.49 +04 27.3 2.798 3.746 162.0 4.6 20.9
2003 01 21 07 38.58 +05 29.8 2.853 3.807 163.5 4.2 21.0
2003 01 31 07 32.29 +06 37.8 2.938 3.868 157.6 5.6 21.1
2003 02 10 07 27.12 +07 47.8 3.053 3.928 148.5 7.5 21.3
2003 02 20 07 23.44 +08 56.4 3.194 3.989 138.5 9.4 21.6
2003 03 02 07 21.42 +10 01.1 3.358 4.050 128.5 11.0 21.8
2003 03 12 07 21.11 +11 00.1 3.540 4.111 118.7 12.2 21.9
Gareth V. Williams (C) Copyright 2002 MPC M.P.E.C. 2002-Y23
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