MPEC 2006-O64 : 2001 SK169
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M.P.E.C. 2006-O64 Issued 2006 July 29, 10:26 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.
Supported in part by the Brinson Foundation
Supported in part by the TABASGO Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2001 SK169
Revision to MPEC 2001-S46
Additional Observations:
K01SG9K 2C2006 07 26.42619222 05 35.533+06 16 45.44 20.4 R EO064568
K01SG9K 2C2006 07 26.42891422 05 35.432+06 16 45.00 20.2 R EO064568
K01SG9K 2C2006 07 26.43173122 05 35.334+06 16 44.42 20.1 R EO064568
K01SG9K 2C2006 07 27.40033422 05 01.486+06 13 41.20 20.4 R EO064568
K01SG9K 2C2006 07 27.40310622 05 01.385+06 13 40.66 20.4 R EO064568
Observer details:
568 Mauna Kea. Observer F. Bernardi. Measurers F. Bernardi, D. J. Tholen.
2.24-m University of Hawaii reflector + 2048 CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
060726 568 47.2+ 13.3+ 060727 568 47.5+ 13.4+ MPO 57844 -0.033 day
Orbital elements:
2001 SK169 Earth MOID = 0.4954 AU
Epoch 2006 Sept. 22.0 TT = JDT 2454000.5 MPC
M 319.62641 (2000.0) P Q
n 0.18900432 Peri. 263.97736 +0.14053173 -0.98998828
a 3.0071486 Node 177.80887 +0.98857000 +0.13957080
e 0.5677801 Incl. 20.18477 +0.05459101 +0.02105224
P 5.21 H 17.1 G 0.15 U 2
Residuals in seconds of arc
010912 704 1.0+ 1.1- 010924 704 0.8- 0.2- 011012 474 0.1+ 0.1+
010912 704 0.4+ 1.9- 010924 644 0.3- 0.4+ 011012 474 0.1- 0.3+
010912 704 1.0+ 1.4- 010925 704 0.1- 0.9+ 011014 360 0.8+ 0.3+
010912 704 (0.4- 3.1-) 010925 704 0.0 0.3- 011014 360 1.3+ 0.1-
010912 704 (0.2+ 2.5-) 010925 704 0.0 0.4+ 011014 360 0.5+ 0.4+
010919 644 0.4- 0.1- 010925 704 0.1+ 0.0 011016 644 0.7+ 0.7+
010919 644 0.4+ 0.7+ 010925 704 0.2- 0.4+ 011016 644 0.0 0.2+
010919 644 0.2- 0.4+ 010925 704 0.5+ 0.2+ 011016 644 0.3+ 0.4+
010920 704 0.1+ 0.1+ 010925 704 0.1- 0.6+ 011024 644 0.7+ 0.1+
010920 704 0.6+ 0.2+ 010925 704 0.2- 0.1+ 011024 644 0.2+ 0.6+
010920 704 0.5+ 0.2+ 010925 704 1.0- 0.8- 011024 644 0.6+ 0.2+
010920 704 0.2- 0.1+ 010926 704 0.4- 0.5+ 011115 474 1.6+ 0.6+
010920 704 0.3- 0.1+ 010926 704 0.3+ 0.5+ 011115 474 0.5+ 2.5-
010921 704 0.1+ 0.5+ 010926 704 0.7+ 0.2+ 011115 474 1.3- 0.1+
010921 704 0.3- 0.1+ 010926 704 0.0 0.6+ 011118 715 0.3- 0.1+
010921 704 0.1+ 0.2+ 010928 704 0.8+ 0.4- 011118 715 0.3- 0.5-
010921 704 0.5- 0.2- 010928 704 0.2- 0.8+ 011118 715 1.4- 0.3-
010923 691 0.4- 0.4- 010928 704 0.2- 0.8+ 020321 715(25.8+ 11.1+)
010923 691 0.2- 0.3- 011011 704 0.4+ 0.4+ 020321 715(24.9+ 11.5+)
010923 691 0.3- 0.2- 011011 704 1.4- 0.3- 020321 715(25.7+ 10.8+)
010924 704 0.3- 0.4+ 011011 704 0.2+ 1.1- 060726 568 0.0 0.0
010924 704 0.1- 0.1+ 011011 704 0.1+ 0.8- 060726 568 0.0 0.0
010924 704 0.3- 0.4- 011012 715 0.6+ 0.6+ 060726 568 0.0 0.0
010924 644 0.3- 0.4- 011012 715 0.4- 0.2+ 060727 568 0.0 0.0
010924 704 0.4- 0.0 011012 715 0.1+ 0.4+ 060727 568 0.0 0.0
010924 644 0.2- 0.2+ 011012 474 0.3+ 0.3+
Ephemeris:
2001 SK169 a,e,i = 3.01, 0.57, 20 q = 1.2997
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2006 07 24 22 06.92 +06 23.4 1.965 2.831 141.4 12.9 21.6
2006 08 03 22 00.67 +05 46.5 1.839 2.771 151.1 10.2 21.3
2006 08 13 21 52.61 +04 43.2 1.737 2.710 159.7 7.5 21.0
2006 08 23 21 43.35 +03 13.9 1.661 2.648 164.0 6.0 20.8
2006 09 02 21 33.79 +01 22.5 1.613 2.585 160.2 7.6 20.7
2006 09 12 21 25.02 -00 43.4 1.592 2.521 151.2 11.1 20.8
2006 09 22 21 18.01 -02 54.4 1.596 2.456 140.6 15.0 20.9
2006 10 02 21 13.56 -05 01.1 1.622 2.390 129.9 18.8 21.0
2006 10 12 21 12.15 -06 55.9 1.664 2.324 119.5 22.0 21.1
2006 10 22 21 13.93 -08 34.3 1.717 2.257 109.7 24.5 21.2
2006 11 01 21 18.86 -09 53.5 1.776 2.189 100.6 26.5 21.2
2006 11 11 21 26.74 -10 52.7 1.838 2.121 92.2 27.8 21.3
2006 11 21 21 37.31 -11 31.9 1.898 2.053 84.4 28.6 21.3
2006 12 01 21 50.33 -11 51.5 1.955 1.984 77.2 29.0 21.3
2006 12 11 22 05.52 -11 52.4 2.005 1.916 70.5 29.0 21.3
2006 12 21 22 22.66 -11 35.4 2.047 1.848 64.4 28.7 21.3
Timothy B. Spahr (C) Copyright 2006 MPC M.P.E.C. 2006-O64
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