MPEC 2003-W31 : 2003 WR21
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M.P.E.C. 2003-W31 Issued 2003 Nov. 21, 12:56 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 Steven and Michele Kirsch Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2003 WR21
Observations:
K03W21R* C2003 11 20.22736 03 09 00.45 -02 30 28.7 18.2 V 703
K03W21R C2003 11 20.24090 03 08 57.72 -02 30 25.9 18.4 V 703
K03W21R C2003 11 20.25443 03 08 55.05 -02 30 22.3 19.1 V 703
K03W21R C2003 11 20.26795 03 08 52.40 -02 30 19.0 17.1 V 703
K03W21R C2003 11 20.86544 03 07 01.81 -02 27 35.3 246
K03W21R C2003 11 20.86646 03 07 01.60 -02 27 35.0 246
K03W21R C2003 11 20.86726 03 07 01.45 -02 27 35.1 246
K03W21R C2003 11 20.86836 03 07 01.20 -02 27 35.0 246
K03W21R C2003 11 20.86931 03 07 01.05 -02 27 34.6 246
K03W21R C2003 11 20.87035 03 07 00.80 -02 27 33.8 246
K03W21R C2003 11 20.98316 03 06 39.20 -02 26 57.4 18.2 R 620
K03W21R C2003 11 20.99216 03 06 37.45 -02 26 55.0 18.1 R 620
K03W21R C2003 11 21.00116 03 06 35.77 -02 26 52.9 18.4 R 620
K03W21R C2003 11 21.16801 03 06 06.08 -02 25 59.3 19.0 R 854
K03W21R C2003 11 21.17461 03 06 04.66 -02 25 57.1 18.9 R 854
K03W21R C2003 11 21.17571 03 06 04.46 -02 25 56.8 18.8 R 854
K03W21R C2003 11 21.25078 03 05 49.79 -02 25 33.9 18.8 R 448
K03W21R C2003 11 21.25656 03 05 48.65 -02 25 32.0 18.8 R 448
K03W21R C2003 11 21.26359 03 05 47.28 -02 25 29.8 18.6 R 448
Observer details:
246 Klet Observatory-KLENOT. Observers M. Tichy, M. Kocer. 1.06-m KLENOT
Telescope + CCD.
448 Desert Moon Observatory. Observer B. L. Stevens. 0.3-m
Schmidt-Cassegrain + CCD.
620 Observatorio Astronomico de Mallorca. Observers S. Sanchez, R. Stoss,
J. Nomen. 0.30-m f/9 Schmidt-Cassegrain + CCD.
703 Catalina Sky Survey. Observers S. Larson, E. Beshore, E. Christensen,
R. Hill, S. Kolar, D. McLean. 0.68-m f/1.8 Schmidt + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.356-m f/10.0
Schmidt-Cassegrain + CCD.
Orbital elements:
2003 WR21 PHA 0.031
Epoch 2003 Nov. 17.0 TT = JDT 2452960.5 MPC
M 235.82920 (2000.0) P Q
n 0.84259473 Peri. 109.64401 -0.94813998 +0.27632574
a 1.1101719 Node 86.64642 -0.31693716 -0.85938094
e 0.2560482 Incl. 9.05318 +0.02411262 -0.43024235
P 1.17 H 19.6 G 0.15
From 19 observations 2003 Nov. 20-21.
Ephemeris:
2003 WR21 a,e,i = 1.11, 0.26, 9 q = 0.8259
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2003 11 17 03 18.91 -02 40.9 0.339 1.310 158.4 16.1 18.7
2003 11 27 02 48.22 -01 43.6 0.330 1.283 149.9 22.7 18.8
2003 12 07 02 21.02 +00 21.1 0.336 1.252 137.1 32.4 19.1
2003 12 17 02 01.31 +03 14.4 0.353 1.219 124.4 41.8 19.4
2003 12 27 01 50.06 +06 36.8 0.375 1.182 113.1 49.9 19.7
2004 01 06 01 46.39 +10 15.8 0.397 1.143 103.4 56.8 19.9
2004 01 16 01 48.64 +14 04.5 0.416 1.102 95.1 62.8 20.1
2004 01 26 01 55.37 +18 00.4 0.429 1.059 87.8 68.3 20.3
2004 02 05 02 05.35 +22 02.5 0.433 1.016 81.4 73.7 20.4
2004 02 15 02 17.29 +26 09.3 0.428 0.973 75.5 79.3 20.5
2004 02 25 02 29.99 +30 19.7 0.413 0.933 70.0 85.5 20.5
2004 03 06 02 41.71 +34 31.2 0.388 0.896 64.5 92.6 20.6
2004 03 16 02 49.70 +38 37.1 0.354 0.865 58.7 100.9 20.7
2004 03 26 02 49.86 +42 22.5 0.314 0.842 52.2 110.7 20.9
2004 04 05 02 36.08 +45 08.3 0.272 0.829 44.6 122.1 21.4
2004 04 15 02 03.66 +45 24.9 0.234 0.826 36.2 134.2 22.2
2004 04 25 01 19.11 +41 09.3 0.206 0.835 30.2 142.7 23.0
2004 05 05 00 40.99 +31 59.4 0.193 0.853 33.0 139.9 22.5
2004 05 15 00 20.78 +20 48.4 0.196 0.881 44.0 127.1 21.2
2004 05 25 00 15.94 +10 40.2 0.208 0.915 56.6 112.5 20.3
2004 06 04 00 20.18 +02 28.6 0.224 0.954 68.0 99.4 19.8
2004 06 14 00 28.70 -04 09.5 0.238 0.995 78.4 88.1 19.6
2004 06 24 00 37.93 -09 57.4 0.249 1.038 88.1 78.0 19.4
2004 07 04 00 45.32 -15 29.9 0.256 1.082 97.8 68.6 19.2
2004 07 14 00 48.70 -21 10.0 0.260 1.124 107.8 59.5 19.1
2004 07 24 00 45.64 -27 06.7 0.264 1.164 118.1 50.3 18.9
2004 08 03 00 34.01 -33 03.7 0.271 1.202 128.4 41.4 18.8
2004 08 13 00 12.57 -38 21.5 0.283 1.237 137.4 33.7 18.7
2004 08 23 23 42.83 -42 04.9 0.305 1.269 143.1 28.6 18.8
2004 09 02 23 10.71 -43 36.3 0.338 1.297 143.9 27.3 19.0
2004 09 12 22 43.25 -43 03.7 0.382 1.323 140.2 29.2 19.4
2004 09 22 22 24.68 -41 03.3 0.436 1.344 134.2 32.4 19.8
2004 10 02 22 15.43 -38 14.4 0.498 1.362 127.4 35.7 20.2
2004 10 12 22 13.80 -35 03.5 0.566 1.376 120.6 38.6 20.6
2004 10 22 22 17.96 -31 43.8 0.640 1.386 114.1 40.9 20.9
2004 11 01 22 26.33 -28 21.6 0.716 1.392 108.0 42.7 21.3
2004 11 11 22 37.72 -24 59.1 0.795 1.394 102.2 43.9 21.5
2004 11 21 22 51.37 -21 36.5 0.873 1.393 96.7 44.8 21.7
2004 12 01 23 06.73 -18 13.7 0.950 1.387 91.5 45.3 21.9
2004 12 11 23 23.42 -14 50.2 1.025 1.378 86.6 45.5 22.1
Timothy B. Spahr (C) Copyright 2003 MPC M.P.E.C. 2003-W31
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