MPEC 2000-Y21: 2000 WT168
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M.P.E.C. 2000-Y21 Issued 2000 Dec. 20, 23:23 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 WT168
Update to MPC 41667 and MPS 23043.
Additional observations:
K00WG8T C2000 09 27.44500 07 20 05.44 +25 03 00.3 18.9 704
K00WG8T C2000 09 27.45602 07 20 06.51 +25 02 55.6 19.2 704
K00WG8T C2000 09 27.47806 07 20 08.71 +25 02 45.2 19.3 704
K00WG8T C2000 11 02.41761 08 12 44.72 +19 06 16.4 18.3 704
K00WG8T C2000 11 02.43164 08 12 45.73 +19 06 05.7 19.1 704
K00WG8T C2000 11 02.44524 08 12 46.76 +19 05 56.0 19.1 704
K00WG8T C2000 11 02.45895 08 12 47.76 +19 05 45.6 18.8 704
K00WG8T C2000 11 02.47255 08 12 48.79 +19 05 35.2 19.5 704
K00WG8T C2000 11 21.46119 08 32 46.15 +14 46 58.0 18.0 704
K00WG8T C2000 11 21.47578 08 32 46.90 +14 46 45.6 18.6 704
K00WG8T C2000 11 21.49112 08 32 47.69 +14 46 30.7 19.0 704
K00WG8T C2000 11 21.50627 08 32 48.38 +14 46 18.4 18.2 704
K00WG8T C2000 11 21.52250 08 32 49.18 +14 46 02.2 18.5 704
K00WG8T C2000 12 16.30311 08 45 38.82 +07 51 57.2 17.9 704
K00WG8T C2000 12 16.31874 08 45 38.87 +07 51 41.0 18.3 704
K00WG8T C2000 12 16.33460 08 45 39.08 +07 51 23.5 18.3 704
K00WG8T C2000 12 16.35047 08 45 39.11 +07 51 05.9 18.5 704
K00WG8T C2000 12 16.36563 08 45 39.24 +07 50 48.7 18.3 704
K00WG8T C2000 12 17.24517 08 45 46.29 +07 34 41.8 16.6 R 854
K00WG8T C2000 12 17.25133 08 45 46.20 +07 34 32.5 16.7 R 854
K00WG8T C2000 12 17.25630 08 45 46.06 +07 34 27.9 16.7 R 854
K00WG8T C2000 12 17.36574 08 45 46.85 +07 32 27.8 17.5 704
K00WG8T C2000 12 17.38087 08 45 46.89 +07 32 10.5 17.9 704
K00WG8T C2000 12 17.38288 08 45 46.92 +07 32 08.5 17.8 704
K00WG8T C2000 12 17.39602 08 45 46.93 +07 31 54.1 17.7 704
K00WG8T C2000 12 17.39790 08 45 46.99 +07 31 52.6 18.8 704
K00WG8T C2000 12 17.41115 08 45 47.05 +07 31 37.8 17.0 704
K00WG8T C2000 12 17.41358 08 45 47.14 +07 31 35.4 18.6 704
K00WG8T C2000 12 17.41897 08 45 46.98 +07 31 27.4 670
K00WG8T C2000 12 17.42628 08 45 47.13 +07 31 21.0 17.0 704
K00WG8T C2000 12 17.42971 08 45 47.15 +07 31 17.3 17.7 704
K00WG8T C2000 12 17.44541 08 45 47.23 +07 30 59.6 17.5 704
K00WG8T C2000 12 17.47903 08 45 47.27 +07 30 23.8 670
K00WG8T C2000 12 17.49698 08 45 47.30 +07 30 01.7 17.7 V 734
K00WG8T C2000 12 17.50369 08 45 47.37 +07 29 52.9 17.6 V 734
K00WG8T C2000 12 17.51668 08 45 47.47 +07 29 40.5 18.0 V 734
K00WG8T C2000 12 19.43130 08 45 56.11 +06 54 13.1 17.7 V 734
K00WG8T C2000 12 19.43550 08 45 56.09 +06 54 06.1 17.4 V 734
K00WG8T C2000 12 19.44520 08 45 56.07 +06 53 56.3 17.3 V 734
K00WG8T C2000 12 20.10045 08 45 57.40 +06 41 43.8 118
K00WG8T C2000 12 20.11222 08 45 57.39 +06 41 30.6 118
K00WG8T C2000 12 20.11560 08 45 57.38 +06 41 26.9 17.1 R 118
K00WG8T IC2000 12 20.12014 08 45 57.36 +06 41 21.2 557
K00WG8T IC2000 12 20.12378 08 45 57.37 +06 41 17.4 557
K00WG8T C2000 12 20.14122 08 45 57.34 +06 40 57.7 557
K00WG8T C2000 12 20.16132 08 45 57.33 +06 40 35.4 17.5 V 557
K00WG8T 7C2000 12 20.41117 08 45 57.72 +06 35 57.1 696
K00WG8T 7C2000 12 20.41517 08 45 57.72 +06 35 52.1 696
Observer details:
118 Modra. Observers A. Galad, P. Koleny. 0.6-m f/5.5 reflector + CCD.
557 Ondrejov. Observers P. Pravec, P. Kusnirak. 0.65-m f/3.6 reflector + CCD.
670 Camarillo. Observer J. E. Rogers. 0.30-m f/6.7 Helin Telescope + CCD.
696 Whipple Observatory, Mt. Hopkins. Observer T. B. Spahr. 1.2-m reflector
+ 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.
734 Farpoint Observatory. Observer G. Hug. 0.30-m Schmidt-Cassegrain + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.30-m f/6.1
Schmidt-Cassegrain + CCD.
Orbital elements:
2000 WT168
Epoch 2001 Apr. 1.0 TT = JDT 2452000.5 Williams
M 1.11382 (2000.0) P Q
n 0.12876270 Peri. 245.51628 -0.88054334 -0.35207741
a 3.8839712 Node 272.55104 +0.45960204 -0.79784034
e 0.5464695 Incl. 18.51927 -0.11579894 -0.48937948
P 7.65 H 14.6 G 0.15 U 4
Residuals in seconds of arc
000927 704 0.1- 0.2- 001127 704 0.8- 0.0 001217 704 0.4+ 0.2+
000927 704 0.2- 0.1+ 001127 704 0.4- 0.1+ 001217 704 0.5+ 0.2+
000927 704 0.4+ 0.3- 001127 704 0.4- 0.1+ 001217 704 0.7+ 0.1-
001102 704 0.6- 0.6+ 001216 704 0.3+ 0.6- 001217 670 1.9- 1.3+
001102 704 0.6- 0.2+ 001216 704 0.5- 0.3+ 001217 734 0.5- 0.3-
001102 704 0.1+ 0.5+ 001216 704 1.0+ 0.2+ 001217 734 0.1+ 1.6-
001102 704 0.2+ 0.1+ 001216 704 0.0 0.0 001217 734 0.7+ 0.4+
001102 704 1.0+ 0.3- 001216 704 0.5+ 0.6- 001219 734 0.2+ 0.3+
001121 704 0.7- 0.3- 001217 854 0.1- 1.3+ 001219 734 0.1- 2.0-
001121 704 0.2- 0.4+ 001217 854 2.0- 1.3- 001219 734 0.4- 0.9-
001121 704 0.4+ 0.7- 001217 854 (4.5- 0.4-) 001220 118 0.5+ 0.5+
001121 704 0.4- 0.6+ 001217 704 0.2- 0.1+ 001220 118 0.5+ 0.5+
001121 704 0.3- 1.0- 001217 704 0.5- 0.5- 001220 118 0.4+ 0.6+
001125 699 1.6+ 0.3- 001217 704 0.2- 0.3- 001220 557 0.1- 0.1+
001125 699 0.0 0.1+ 001217 704 0.8- 0.2- 001220 557 0.1+ 0.4+
001125 699 0.4+ 0.1- 001217 704 0.1- 0.4+ 001220 557 0.1- 0.3+
001125 699 1.1+ 0.4+ 001217 704 0.1+ 0.2+ 001220 557 0.0 0.5+
001127 704 0.1+ 0.4- 001217 704 1.2+ 0.5+ 001220 696 0.1- 0.3+
001127 704 0.4- 0.5+ 001217 670 (2.8- 1.5-) 001220 696 0.0 0.2-
Ephemeris:
2000 WT168 a,e,i = 3.88, 0.55, 19 q = 1.7615
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2000 12 12 08 44.71 +09 09.7 1.233 2.002 128.6 22.6 17.6
2000 12 22 08 45.93 +06 06.2 1.123 1.960 136.9 20.0 17.3
2001 01 01 08 43.78 +02 55.3 1.031 1.922 145.2 17.0 17.0
2001 01 11 08 38.45 -00 15.0 0.960 1.887 152.3 14.0 16.7
2001 01 21 08 30.61 -03 13.1 0.911 1.855 156.4 12.2 16.5
2001 01 31 08 21.56 -05 46.2 0.886 1.828 155.4 13.0 16.4
2001 02 10 08 13.08 -07 44.6 0.882 1.805 150.0 15.9 16.5
2001 02 20 08 06.84 -09 05.2 0.897 1.787 142.6 19.6 16.6
2001 03 02 08 04.12 -09 51.7 0.929 1.773 134.9 23.3 16.8
2001 03 12 08 05.55 -10 12.6 0.973 1.765 127.6 26.5 17.0
2001 03 22 08 11.13 -10 17.4 1.027 1.762 121.0 29.0 17.2
2001 04 01 08 20.55 -10 14.3 1.090 1.763 115.1 30.9 17.3
2001 04 11 08 33.32 -10 10.7 1.159 1.771 109.8 32.2 17.5
2001 04 21 08 48.82 -10 10.8 1.235 1.783 105.0 33.0 17.7
2001 05 01 09 06.53 -10 18.0 1.317 1.800 100.6 33.4 17.9
2001 05 11 09 25.92 -10 34.2 1.405 1.821 96.6 33.4 18.0
2001 05 21 09 46.54 -10 59.8 1.499 1.848 92.7 33.2 18.2
2001 05 31 10 08.03 -11 34.9 1.600 1.878 88.9 32.7 18.4
2001 06 10 10 30.06 -12 18.8 1.708 1.912 85.2 31.9 18.5
2001 06 20 10 52.37 -13 10.2 1.821 1.949 81.5 31.0 18.7
2001 06 30 11 14.81 -14 07.9 1.941 1.990 77.7 29.9 18.8
2001 07 10 11 37.21 -15 10.4 2.066 2.033 73.8 28.7 19.0
2001 07 20 11 59.48 -16 16.1 2.197 2.079 69.9 27.3 19.1
2001 07 30 12 21.59 -17 23.7 2.330 2.127 65.8 25.8 19.3
2001 08 09 12 43.48 -18 31.8 2.467 2.177 61.6 24.2 19.4
Gareth V. Williams (C) Copyright 2000 MPC M.P.E.C. 2000-Y21
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