MPEC 2003-Y02 : 2003 WU172
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M.P.E.C. 2003-Y02 Issued 2003 Dec. 16, 15:35 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 WU172
Observations:
K03WH2U* C2003 11 21.41591 04 19 38.80 +25 04 09.1 21.8 V EY002691
K03WH2U C2003 11 21.44322 04 19 38.60 +25 04 08.8 21.9 V EY002691
K03WH2U C2003 11 21.47107 04 19 38.39 +25 04 08.3 21.9 V EY002691
K03WH2U C2003 12 14.30706 04 16 59.54 +24 58 03.8 22.2 V EY002291
K03WH2U C2003 12 14.33954 04 16 59.30 +24 58 03.8 21.5 V EY002291
K03WH2U C2003 12 14.36935 04 16 59.12 +24 58 03.0 21.7 V EY002291
K03WH2U C2003 12 16.17741 04 16 47.13 +24 57 31.9 21.3 V EY002291
K03WH2U C2003 12 16.20672 04 16 46.93 +24 57 31.8 21.1 V EY002291
K03WH2U C2003 12 16.32260 04 16 46.26 +24 57 28.2 20.9 V EY002291
Observer details:
291 LPL/Spacewatch II. Observer M. Block. 1.8-m f/2.7 reflector + CCD.
691 Steward Observatory, Kitt Peak. Observers J. A. Larsen, A. E. Gleason.
0.9-m f/3 reflector + CCD.
Orbital elements:
2003 WU172
Eccentricity assumed
Epoch 2003 Nov. 17.0 TT = JDT 2452960.5 MPC
M 359.98310 (2000.0) P Q
n 0.00398078 Peri. 57.02390 +0.38861463 -0.92131316
a 39.4297416 Node 10.13164 +0.81949641 +0.33931248
e 0.2185396 Incl. 4.13300 +0.42119390 +0.18986602
P 248 H 6.8 G 0.15
From 9 observations 2003 Nov. 21-Dec. 16.
Ephemeris:
2003 WU172 a,e,i = 39.43, 0.22, 4 q = 30.813
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2003 12 07 04 17.83 +25 00.1 29.837 30.813 171.7 0.3 21.7
2003 12 17 04 16.69 +24 57.3 29.876 30.813 161.8 0.6 21.7
2003 12 27 04 15.65 +24 54.4 29.945 30.813 151.5 0.9 21.8
2004 01 06 04 14.73 +24 51.7 30.041 30.813 141.2 1.1 21.8
2004 01 16 04 13.98 +24 49.1 30.161 30.813 130.8 1.4 21.8
2004 01 26 04 13.43 +24 46.9 30.301 30.813 120.6 1.6 21.9
2004 02 05 04 13.10 +24 45.1 30.456 30.813 110.3 1.7 21.9
2004 02 15 04 13.00 +24 43.9 30.622 30.813 100.2 1.8 21.9
2004 02 25 04 13.15 +24 43.2 30.794 30.813 90.2 1.8 21.9
2004 03 06 04 13.53 +24 43.1 30.966 30.813 80.3 1.8 21.9
2004 03 16 04 14.15 +24 43.6 31.132 30.813 70.4 1.7 21.9
2004 03 26 04 14.98 +24 44.8 31.289 30.813 60.7 1.6 21.9
2004 04 05 04 16.01 +24 46.4 31.432 30.813 51.1 1.4 21.9
2004 04 15 04 17.20 +24 48.6 31.557 30.814 41.6 1.2 21.9
2004 04 25 04 18.55 +24 51.3 31.661 30.814 32.2 1.0 21.9
This assumed perihelic 2:3 Neptune librator remains more than 15 AU
from Neptune over a 14 000-year period.
Brian G. Marsden (C) Copyright 2003 MPC M.P.E.C. 2003-Y02
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