MPEC 2001-S16 : 2001 SL9
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M.P.E.C. 2001-S16 Issued 2001 Sept. 20, 17:45 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 SL9
Observations:
K01S09L C2001 08 23.33185 01 57 39.95 +37 03 46.9 19.4 704
K01S09L C2001 08 23.34452 01 57 40.60 +37 03 46.9 19.6 704
K01S09L C2001 08 23.35717 01 57 41.32 +37 03 46.5 19.7 704
K01S09L C2001 08 23.37018 01 57 41.99 +37 03 45.0 19.8 704
K01S09L C2001 08 23.38282 01 57 42.65 +37 03 44.4 19.6 704
K01S09L C2001 08 23.39958 01 57 43.53 +37 03 43.4 19.1 704
K01S09L C2001 08 23.41352 01 57 44.25 +37 03 42.2 19.6 704
K01S09L C2001 08 23.42571 01 57 44.88 +37 03 41.3 19.2 704
K01S09L C2001 08 23.43789 01 57 45.48 +37 03 40.4 19.0 704
K01S09L C2001 08 23.45007 01 57 46.14 +37 03 39.8 19.5 704
K01S09L C2001 08 24.34372 01 58 38.06 +37 02 11.0 18.6 644
K01S09L C2001 08 24.35452 01 58 38.61 +37 02 10.3 18.6 644
K01S09L C2001 08 24.36504 01 58 39.17 +37 02 09.4 18.5 644
K01S09L C2001 09 08.35448 02 07 31.06 +35 23 40.7 18.5 704
K01S09L C2001 09 08.36819 02 07 31.11 +35 23 29.5 18.9 704
K01S09L C2001 09 08.38189 02 07 31.18 +35 23 20.9 18.4 704
K01S09L* C2001 09 18.34934 02 06 09.92 +32 26 06.6 17.6 644
K01S09L C2001 09 18.37097 02 06 09.13 +32 25 35.6 17.7 644
K01S09L C2001 09 18.39406 02 06 08.23 +32 25 02.5 17.9 644
K01S09L C2001 09 18.83093 02 05 55.73 +32 14 09.8 557
K01S09L C2001 09 18.83789 02 05 55.49 +32 13 59.1 557
K01S09L C2001 09 18.84432 02 05 55.29 +32 13 50.1 557
K01S09L C2001 09 18.85125 02 05 55.06 +32 13 40.2 17.7 V 557
K01S09L C2001 09 18.85815 02 05 54.93 +32 13 29.8 17.4 V 151
K01S09L C2001 09 18.86028 02 05 54.88 +32 13 26.5 17.4 V 151
K01S09L C2001 09 18.86744 02 05 54.59 +32 13 16.7 17.3 V 151
K01S09L C2001 09 18.87155 02 05 54.39 +32 13 11.3 17.4 R 046
K01S09L C2001 09 18.87214 02 05 54.38 +32 13 10.2 17.2 V 151
K01S09L C2001 09 18.87351 02 05 54.33 +32 13 08.4 046
K01S09L C2001 09 18.87525 02 05 54.28 +32 13 05.9 046
K01S09L C2001 09 18.87572 02 05 54.32 +32 13 04.8 17.3 V 151
K01S09L C2001 09 18.87709 02 05 54.19 +32 13 03.3 046
K01S09L C2001 09 18.87918 02 05 54.13 +32 13 00.3 17.2 R 046
K01S09L C2001 09 18.87936 02 05 54.20 +32 12 58.6 17.2 V 151
K01S09L C2001 09 18.92370 02 05 52.57 +32 11 54.8 17.3 R 113
K01S09L C2001 09 18.92977 02 05 52.32 +32 11 45.5 17.3 R 113
K01S09L C2001 09 18.93343 02 05 52.18 +32 11 40.3 17.3 R 113
K01S09L C2001 09 19.34499 02 05 38.44 +32 01 24.9 17.6 R 854
K01S09L C2001 09 19.34659 02 05 38.34 +32 01 22.5 17.6 R 854
K01S09L C2001 09 19.35088 02 05 38.02 +32 01 12.2 17.9 R 918
K01S09L C2001 09 19.35459 02 05 37.79 +32 01 06.7 17.7 R 918
K01S09L C2001 09 19.35671 02 05 37.66 +32 01 03.6 17.0 R 918
K01S09L C2001 09 19.37716 02 05 37.08 +32 00 35.5 17.7 R 854
K01S09L C2001 09 19.37875 02 05 36.84 +32 00 33.2 17.8 R 854
K01S09L C2001 09 19.43880 02 05 34.57 +31 59 00.7 17.2 644
K01S09L C2001 09 19.46009 02 05 33.66 +31 58 27.7 17.1 644
K01S09L C2001 09 19.48510 02 05 32.60 +31 57 48.5 17.1 644
K01S09L C2001 09 19.96046 02 05 16.89 +31 45 17.5 17.4 R 046
K01S09L C2001 09 19.96209 02 05 16.80 +31 45 15.0 046
K01S09L C2001 09 19.96345 02 05 16.76 +31 45 12.9 046
K01S09L C2001 09 19.96516 02 05 16.70 +31 45 10.2 17.5 R 046
K01S09L C2001 09 20.17490 02 05 09.76 +31 39 35.7 719
K01S09L C2001 09 20.29720 02 05 04.52 +31 36 23.0 719
Observer details:
046 Klet. Observers M. Tichy, M. Kocer, Z. Moravec. 0.57-m f/5.2
reflector + CCD.
113 Volkssternwarte Drebach, Schoenbrunn. Observer A. Knoefel. 0.50-m f/4.0
reflector + CCD.
151 Eschenberg Observatory, Winterthur. Observer M. Griesser. 0.40-m f/5.8
Hypergraph + CCD.
557 Ondrejov. Observer P. Kusnirak. 0.65-m f/3.6 reflector + CCD.
644 Palomar Mountain/NEAT. Observers E. F. Helin, S. Pravdo, K. Lawrence,
M. Hicks, E. Hovland, T. Bickler, J. Schroeder, L. Scherr, R. Thicksten,
A. Deetz. 1.2-m Schmidt + CCD.
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.
719 Etscorn Observatory. Observer D. A. Klinglesmith III. 0.355-m
Schmidt-Cassegrain + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.30-m f/6.1
Schmidt-Cassegrain + CCD.
918 Badlands Observatory, Quinn. Observer R. Dyvig. 0.66-m f/4.8 reflector
+ CCD.
Orbital elements:
2001 SL9
Epoch 2001 Aug. 19.0 TT = JDT 2452140.5 Spahr
M 177.26466 (2000.0) P Q
n 0.90151076 Peri. 329.26195 -0.97635996 -0.16004475
a 1.0612608 Node 202.92799 +0.16933951 -0.98407944
e 0.2699037 Incl. 21.89617 -0.13433305 -0.07728732
P 1.09 H 17.3 G 0.15
From 53 observations 2001 Aug. 23-Sept. 20.
Ephemeris:
2001 SL9 a,e,i = 1.06, 0.27, 22 q = 0.7748
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 09 18 02 06.32 +32 34.5 0.433 1.332 131.5 34.4 17.5
2001 09 28 01 57.93 +27 17.3 0.364 1.318 145.2 25.7 16.9
2001 10 08 01 42.21 +18 40.5 0.311 1.299 162.6 13.3 16.1
2001 10 18 01 21.15 +06 37.3 0.281 1.277 176.1 3.0 15.4
2001 10 28 00 59.36 -06 42.9 0.279 1.250 153.7 20.6 16.0
2001 11 07 00 41.71 -18 05.0 0.302 1.219 133.6 36.1 16.6
2001 11 17 00 30.86 -26 07.1 0.340 1.185 117.5 47.8 17.1
2001 11 27 00 27.22 -31 18.9 0.382 1.147 105.0 56.2 17.5
2001 12 07 00 29.57 -34 38.4 0.422 1.105 95.0 62.6 17.9
2001 12 17 00 36.33 -36 49.7 0.455 1.061 86.9 67.8 18.1
2001 12 27 00 45.99 -38 23.4 0.476 1.015 80.0 72.5 18.3
2002 01 06 00 56.87 -39 40.6 0.485 0.969 73.9 77.3 18.4
2002 01 16 01 07.22 -40 55.3 0.480 0.923 68.4 82.6 18.4
2002 01 26 01 14.61 -42 18.3 0.459 0.879 63.2 89.0 18.5
Timothy B. Spahr (C) Copyright 2001 MPC M.P.E.C. 2001-S16
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