MPEC 2000-Y45 : 2000 WR106
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M.P.E.C. 2000-Y45 Issued 2000 Dec. 31, 03:48 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
2000 WR106
Revision to MPEC 2000-X02
Observations:
K00WA6R 1955 10 23.35278 02 52 01.03 +00 56 42.7 261
K00WA6R 1990 10 23.49584 05 53 25.27 +20 19 22.6 261
K00WA6R 1996 01 14.23056 06 14 24.49 +22 17 22.7 261
K00WA6R 1996 02 15.15625 06 12 15.85 +22 20 35.4 261
K00WA6R 1996 10 10.47916 06 25 59.42 +22 29 47.7 261
K00WA6R 1997 01 10.21771 06 20 09.43 +22 38 01.8 261
K00WA6R C2000 12 16.54270 06 44 25.66 +23 50 33.1 19.6 R 568
K00WA6R C2000 12 16.55442 06 44 25.61 +23 50 33.3 19.6 R 568
K00WA6R C2000 12 21.29791 06 44 01.12 +23 51 18.3 696
K00WA6R C2000 12 21.40016 06 44 00.62 +23 51 19.3 696
K00WA6R C2000 12 22.60558 06 43 54.29 +23 51 31.0 20.0 V 360
K00WA6R C2000 12 22.64471 06 43 54.09 +23 51 31.0 360
K00WA6R C2000 12 22.65103 06 43 54.03 +23 51 31.2 360
Observer details:
261 Palomar-DSS. Images located and measured by DAPS (A. Knofel) and
DANEOPS (R. Stoss). 1.2-m Schmidt.
360 Kuma Kogen. Observer A. Nakamura. 0.60-m f/6.0 Ritchey-Chretien + CCD.
568 Mauna Kea. Observers Y. R. Fernandez, S. S. Sheppard, D. C. Jewitt.
Measurer S. S. Sheppard. 2.2-m University of Hawaii reflector + CCD.
696 Whipple Observatory, Mt. Hopkins. Observer T. B. Spahr. 1.2-m reflector
+ CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees) and reference
551023 261 2.73- 1.41- 970110 261 71.8- 18.4- E2000-Y37
Orbital elements:
2000 WR106
Epoch 2001 Apr. 1.0 TT = JDT 2452000.5 Marsden
M 81.76536 (2000.0) P Q
n 0.00346255 Peri. 274.89647 +0.93365227 -0.20724874
a 43.2718693 Node 97.28471 +0.30517305 +0.88726624
e 0.0554955 Incl. 17.12814 -0.18751761 +0.41207594
P 285 H 3.7 G 0.15 U 3
Residuals in seconds of arc
551023 261 0.0 0.0 001201 691 0.6- 0.3+ 001206 691 0.3- 0.3+
901023 261 0.1+ 0.2- 001201 691 0.0 0.4+ 001206 691 0.7+ 0.4-
960114 261 0.5- 0.4+ 001201 691 0.3- 0.3- 001206 691 0.5+ 0.4-
960215 261 0.3- 0.0 001201 691 0.3- 0.2+ 001206 360 0.4- 0.1-
961010 261 0.1+ 0.2- 001201 691 0.4+ 0.5+ 001206 360 0.1- 0.1+
970110 261 0.5+ 0.3+ 001201 691 0.1- 0.1+ 001216 568 0.1+ 0.2-
001128 691 0.0 0.5+ 001203 691 0.3- 0.5+ 001216 568 0.3+ 0.1-
001128 691 0.4- 0.1- 001203 691 0.1- 0.1- 001221 696 0.0 0.0
001128 691 0.2+ 0.1- 001203 691 0.1+ 0.6- 001221 696 0.6+ 0.0
001130 691 0.2- 0.1+ 001205 568 0.2+ 0.4- 001222 360 0.1+ 0.4+
001130 691 0.4- 0.7- 001205 568 0.2+ 0.3- 001222 360 0.3+ 0.0
001130 691 0.4- 0.6- 001205 360 0.3+ 0.5+ 001222 360 0.1- 0.1+
Ephemeris:
2000 WR106 a,e,i = 43.27, 0.06, 17 q = 40.870
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2000 12 22 06 43.96 +23 51.4 42.075 43.045 170.4 0.2 20.0
2001 01 01 06 43.07 +23 53.0 42.063 43.047 178.9 0.0 20.0
2001 01 11 06 42.20 +23 54.5 42.083 43.048 168.8 0.3 20.1
2001 01 21 06 41.35 +23 55.9 42.133 43.050 158.4 0.5 20.1
2001 01 31 06 40.58 +23 57.2 42.212 43.051 148.1 0.7 20.1
2001 02 10 06 39.90 +23 58.3 42.316 43.052 137.8 0.9 20.1
2001 02 20 06 39.34 +23 59.3 42.444 43.054 127.6 1.0 20.2
2001 03 02 06 38.93 +24 00.2 42.590 43.055 117.4 1.2 20.2
2001 03 12 06 38.68 +24 00.8 42.750 43.057 107.4 1.3 20.2
2001 03 22 06 38.60 +24 01.3 42.919 43.058 97.4 1.3 20.2
2001 04 01 06 38.69 +24 01.6 43.092 43.060 87.5 1.3 20.2
2001 04 11 06 38.95 +24 01.8 43.263 43.061 77.7 1.3 20.2
2001 04 21 06 39.37 +24 01.8 43.428 43.063 68.0 1.2 20.2
2001 05 01 06 39.94 +24 01.7 43.583 43.064 58.4 1.1 20.2
2001 05 11 06 40.66 +24 01.5 43.722 43.066 48.9 1.0 20.2
2001 05 21 06 41.49 +24 01.1 43.843 43.067 39.5 0.9 20.2
2001 05 31 06 42.43 +24 00.7 43.943 43.068 30.1 0.7 20.2
Brian G. Marsden (C) Copyright 2000 MPC M.P.E.C. 2000-Y45
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