MPEC 2001-S15: 2001 SK9
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M.P.E.C. 2001-S15 Issued 2001 Sept. 20, 17:33 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 SK9
Observations:
K01S09K* C2001 09 17.36678 01 53 05.10 +16 47 53.1 19.5 704
K01S09K C2001 09 17.38139 01 53 02.79 +16 47 26.7 19.7 704
K01S09K C2001 09 17.39635 01 53 00.38 +16 47 00.4 19.5 704
K01S09K C2001 09 18.29207 01 50 42.85 +16 21 04.4 21.1 V 691
K01S09K C2001 09 18.29630 01 50 42.20 +16 20 57.3 20.7 V 691
K01S09K C2001 09 18.30048 01 50 41.53 +16 20 49.7 20.5 V 691
K01S09K C2001 09 18.35014 01 50 33.69 +16 19 23.3 684
K01S09K C2001 09 18.35258 01 50 33.31 +16 19 18.7 684
K01S09K C2001 09 18.35487 01 50 32.99 +16 19 14.8 684
K01S09K fC2001 09 18.75012 01 49 31.55 +16 07 56.8 422
K01S09K fC2001 09 18.75266 01 49 31.10 +16 07 52.2 422
K01S09K C2001 09 18.92553 01 49 04.96 +16 02 34.0 19.0 R 046
K01S09K C2001 09 18.92678 01 49 04.81 +16 02 32.1 046
K01S09K C2001 09 18.92929 01 49 04.39 +16 02 28.0 046
K01S09K C2001 09 18.93054 01 49 04.20 +16 02 26.2 18.7 R 046
K01S09K C2001 09 19.06326 01 48 43.27 +15 58 33.3 557
K01S09K C2001 09 19.06513 01 48 42.96 +15 58 30.1 557
K01S09K C2001 09 19.06699 01 48 42.68 +15 58 26.8 557
K01S09K C2001 09 19.06885 01 48 42.38 +15 58 24.0 19.2 V 557
K01S09K C2001 09 19.39022 01 47 52.68 +15 49 02.0 19.4 704
K01S09K C2001 09 19.39854 01 47 51.35 +15 48 48.1 19.0 704
K01S09K C2001 09 19.40447 01 47 50.40 +15 48 37.5 19.5 704
K01S09K C2001 09 19.41312 01 47 48.98 +15 48 22.4 19.6 704
K01S09K C2001 09 19.41873 01 47 48.16 +15 48 12.3 19.3 704
K01S09K C2001 09 19.42769 01 47 46.71 +15 47 56.2 19.5 704
K01S09K C2001 09 19.43302 01 47 45.89 +15 47 47.2 19.2 704
K01S09K C2001 09 19.44314 01 47 44.25 +15 47 28.9 19.7 704
K01S09K C2001 09 19.44730 01 47 43.63 +15 47 21.9 19.3 704
K01S09K C2001 09 19.45803 01 47 41.91 +15 47 04.1 19.8 704
K01S09K C2001 09 19.46959 01 47 40.13 +15 46 42.4 20.5 V 691
K01S09K C2001 09 19.47352 01 47 39.50 +15 46 35.5 20.7 V 691
K01S09K C2001 09 19.47808 01 47 38.78 +15 46 27.6 20.9 V 691
K01S09K C2001 09 19.97480 01 46 22.39 +15 31 50.1 19.0 R 046
K01S09K C2001 09 19.97646 01 46 22.15 +15 31 47.1 046
K01S09K C2001 09 19.97811 01 46 21.99 +15 31 44.8 046
K01S09K C2001 09 19.97980 01 46 21.56 +15 31 41.2 18.8 R 046
K01S09K C2001 09 20.39763 01 45 16.62 +15 19 27.4 19.4 V 291
K01S09K C2001 09 20.43006 01 45 11.49 +15 18 30.1 20.1 V 291
K01S09K C2001 09 20.43006 01 45 11.26 +15 18 28.3 20.0 R 649
K01S09K C2001 09 20.43207 01 45 10.99 +15 18 24.5 20.0 R 649
K01S09K C2001 09 20.43534 01 45 10.48 +15 18 18.6 20.2 R 649
K01S09K C2001 09 20.45043 01 45 08.32 +15 17 54.3 21.3 V 291
K01S09K C2001 09 20.45131 01 45 08.08 +15 17 51.8 21.0 V 691
K01S09K C2001 09 20.45578 01 45 07.43 +15 17 44.1 20.9 V 691
K01S09K C2001 09 20.45991 01 45 06.72 +15 17 36.5 20.7 V 691
Observer details:
046 Klet. Observers J. Ticha, M. Kocer, Z. Moravec. 0.57-m f/5.2
reflector + CCD.
291 LPL/Spacewatch II. Observers T. H. Bressi, A. S. Descour. 1.8-m
Spacewatch telescope.
422 Loomberah. Observer G. J. Garradd. 0.45-m f/5.4 reflector + CCD.
557 Ondrejov. Observer P. Kusnirak. 0.65-m f/3.6 reflector + CCD.
649 Powell Observatory, Louisburg. Observers K. Smalley, R. Trentman,
D. Young. 0.75-m Newtonian + CCD.
684 Prescott. Observer P. G. Comba. 0.46-m f/4.5 reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer J. V. Scotti. 0.9-m Spacewatch
telescope.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, R. Huber, L. Manguso, S. Adams. Measurers J. Stuart,
R. Sayer, J. B. Evans, H. Viggh. 1.0-m f/2.15 reflector + CCD.
Orbital elements:
2001 SK9
Epoch 2001 Sept. 8.0 TT = JDT 2452160.5 Spahr
M 39.43279 (2000.0) P Q
n 0.42396884 Peri. 35.61049 -0.63380573 +0.76537832
a 1.7548773 Node 196.06702 -0.76960701 -0.63846834
e 0.7706098 Incl. 23.81277 -0.07742964 +0.08095805
P 2.32 H 18.4 G 0.15
From 45 observations 2001 Sept. 17-20.
Ephemeris:
2001 SK9 a,e,i = 1.75, 0.77, 24 q = 0.4026
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 09 18 01 51.46 +16 29.6 0.788 1.703 143.1 20.7 20.1
2001 09 28 01 25.82 +11 34.3 0.827 1.803 160.6 10.6 19.9
2001 10 08 01 02.30 +06 53.4 0.899 1.898 177.8 1.2 19.7
2001 10 18 00 43.12 +02 57.5 1.005 1.987 166.3 6.8 20.4
2001 10 28 00 29.22 +00 00.1 1.142 2.072 152.0 13.0 21.0
2001 11 07 00 20.45 -02 00.8 1.303 2.152 139.1 17.5 21.6
2001 11 17 00 16.10 -03 14.6 1.482 2.228 127.6 20.6 22.0
Timothy B. Spahr (C) Copyright 2001 MPC M.P.E.C. 2001-S15
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