MPEC 1999-W31: 1999 WA2
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M.P.E.C. 1999-W31 Issued 1999 Nov. 30, 15:08 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.
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
1999 WA2
Observations:
J99W02A* C1999 11 16.44834 09 51 37.11 +18 06 57.1 19.1 704
J99W02A C1999 11 16.46256 09 51 37.33 +18 06 40.9 19.6 704
J99W02A C1999 11 16.47684 09 51 37.81 +18 06 26.3 20.0 704
J99W02A C1999 11 16.49116 09 51 38.03 +18 06 09.4 19.4 704
J99W02A C1999 11 17.44163 09 52 00.15 +17 48 23.6 651
J99W02A C1999 11 17.44943 09 52 00.29 +17 48 14.9 651
J99W02A C1999 11 17.45531 09 52 00.43 +17 48 08.3 18.6 R 651
J99W02A C1999 11 19.19274 09 52 35.07 +17 15 43.3 19.5 V 557
J99W02A C1999 11 19.19507 09 52 35.09 +17 15 40.8 557
J99W02A C1999 11 19.19740 09 52 35.15 +17 15 38.2 557
J99W02A C1999 11 21.17657 09 53 06.33 +16 38 48.2 18.1 R 046
J99W02A C1999 11 21.17821 09 53 06.35 +16 38 46.0 046
J99W02A C1999 11 21.17972 09 53 06.35 +16 38 44.3 046
J99W02A C1999 11 21.18123 09 53 06.38 +16 38 43.2 046
J99W02A C1999 11 21.18274 09 53 06.41 +16 38 40.7 17.9 R 046
J99W02A C1999 11 27.08911 09 53 43.95 +14 49 16.3 046
J99W02A C1999 11 27.09240 09 53 43.89 +14 49 12.2 17.7 R 046
J99W02A C1999 11 27.09388 09 53 43.93 +14 49 11.5 046
J99W02A C1999 11 27.09850 09 53 43.91 +14 49 05.2 046
J99W02A C1999 11 27.10222 09 53 43.91 +14 49 02.3 046
Observer details:
046 Klet. Observers J. Ticha, M. Tichy. 0.57-m f/5.2 reflector
+ CCD.
557 Ondrejov. Observer P. Kusnirak. 0.65-m f/3.6 reflector + CCD.
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. Measurer
J. E. Rogers. 0.62-m f/5.1 reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, M. Elowitz, R. Huber. Measurers J. Stuart, H. Viggh,
R. Sayer. 1.0-m f/2.15 reflector + CCD.
Orbital elements:
1999 WA2
Epoch 1999 Nov. 18.0 TT = JDT 2451500.5 Williams
M 48.36515 (2000.0) P Q
n 0.35655850 Peri. 75.34328 +0.83026913 -0.20139858
a 1.9696188 Node 293.88647 -0.13527887 +0.83173552
e 0.4344211 Incl. 34.63776 +0.54069659 +0.51735349
P 2.76 H 15.9 G 0.15
From 20 observations 1999 Nov. 16-27.
Ephemeris:
1999 WA2 a,e,i = 1.97, 0.43, 35 q = 1.1140
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 11 28 09 53.70 +14 32.5 1.305 1.764 99.7 33.5 19.1
1999 12 08 09 50.94 +11 29.7 1.238 1.821 109.5 30.7 19.0
1999 12 18 09 43.47 +08 31.0 1.178 1.877 120.2 26.9 18.8
1999 12 28 09 31.19 +05 40.1 1.131 1.932 131.9 22.2 18.7
2000 01 07 09 14.54 +03 03.7 1.104 1.986 144.0 16.9 18.5
2000 01 17 08 54.87 +00 50.7 1.104 2.038 154.8 11.8 18.4
2000 01 27 08 34.39 -00 51.1 1.134 2.088 160.5 9.1 18.4
2000 02 06 08 15.46 -01 58.5 1.196 2.137 156.7 10.5 18.6
2000 02 16 07 59.99 -02 34.8 1.286 2.185 147.6 14.0 18.9
2000 02 26 07 48.89 -02 48.2 1.400 2.230 137.2 17.5 19.3
2000 03 07 07 42.25 -02 47.2 1.532 2.274 127.2 20.3 19.6
2000 03 17 07 39.67 -02 39.4 1.678 2.316 117.8 22.3 19.9
2000 03 27 07 40.55 -02 30.7 1.833 2.357 109.1 23.6 20.2
2000 04 06 07 44.26 -02 24.8 1.993 2.396 101.1 24.2 20.4
2000 04 16 07 50.27 -02 24.3 2.155 2.433 93.5 24.3 20.6
2000 04 26 07 58.08 -02 30.8 2.316 2.468 86.5 24.0 20.8
2000 05 06 08 07.32 -02 45.1 2.475 2.502 79.8 23.4 21.0
2000 05 16 08 17.71 -03 08.0 2.628 2.534 73.5 22.5 21.1
2000 05 26 08 28.98 -03 39.4 2.775 2.564 67.5 21.4 21.2
2000 06 05 08 40.94 -04 19.5 2.915 2.593 61.7 20.2 21.3
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-W31
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