MPEC 2002-E01 : 1999 CP133, 2000 WK183, 2001 HY65
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M.P.E.C. 2002-E01 Issued 2002 Mar. 1, 01:24 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
1999 CP133, 2000 WK183, 2001 HY65
Revision to MPEC 1999-E14, 2000-Y05, 2001-K26
Observations:
J99CD3P C2001 02 25.46933 10 51 32.50 +06 49 25.6 22.0 R 568
J99CD3P C2001 02 25.51030 10 51 32.28 +06 49 27.0 568
J99CD3P C2001 03 24.21999 10 49 00.29 +07 04 25.3 21.9 R 695
J99CD3P C2001 03 24.34096 10 48 59.64 +07 04 29.2 695
J99CD3P C2002 02 04.57934 11 01 02.91 +05 43 51.7 21.8 R 568
J99CD3P C2002 02 05.55484 11 00 58.03 +05 44 20.2 568
J99CD3P C2002 02 05.61452 11 00 57.72 +05 44 21.6 568
K00WI3K C2002 02 03.41236 04 12 13.93 +19 22 43.9 22.4 R 568
K00WI3K C2002 02 04.42638 04 12 12.75 +19 22 43.0 568
K01H65Y C2002 02 04.61646 12 24 42.94 -03 26 24.5 21.4 R 568
K01H65Y C2002 02 05.57583 12 24 40.48 -03 26 04.8 568
K01H65Y C2002 02 06.59194 12 24 37.76 -03 25 43.4 568
Observer details:
568 Mauna Kea. Observers G. Bauer, K. J. Meech, J. Pittichova. Measurers
M. W. Buie, L. H. Wasserman, K. J. Meech. 2.2-m University of Hawaii
reflector + CCD.
695 Kitt Peak. Observers M. W. Buie, S. Kern. Measurers M. W. Buie,
L. H. Wasserman. 3.5-m WIYN reflector + CCD.
Orbital elements:
1999 CP133
Epoch 2002 May 6.0 TT = JDT 2452400.5 MPC
M 27.49536 (2000.0) P Q
n 0.00474697 Peri. 157.02197 -0.65930993 -0.75148663
a 35.0637436 Node 334.20552 +0.68096307 -0.58326681
e 0.0883882 Incl. 3.16791 +0.31874709 -0.30833046
P 208 H 7.5 G 0.15 U 4
Residuals in seconds of arc
J992B 568 0.1+ 0.2- J994E 695 0.4- 0.1+ J994F 695 0.4+ 0.0
J992B 568 0.1- 0.1- J994E 695 0.0 0.2+ J994F 695 0.6+ 0.3+
J992H 568 0.1+ 0.1- J994E 695 0.0 0.2+ J994F 695 0.9+ 0.1+
J992H 568 0.6- 0.0 J994E 695 0.1+ 0.4+ J994F 695 0.5+ 0.7+
J993A 568 0.3- 0.2- J994E 695 0.1- 1.7+ K012P 568 0.5+ 0.3+
J9949 696 0.2- 0.7- J994E 695 1.1- 0.3- K012P 568 0.8+ 0.3+
J9949 696 0.6- 0.5- J994F 695 0.0 0.4+ K013O 695 0.4- 0.1+
J9949 696 0.0 0.5- J994F 695 0.3- 0.4+ K013O 695 0.4- 0.2+
J994A 696 0.3+ 1.2- J994F 695 0.1- 0.1+ K0224 568 0.2+ 0.1-
J994C 568 0.4- 0.5- J994F 695 0.9+ 0.0 K0225 568 0.3- 0.1-
J994C 568 0.5- 0.5- J994F 695 0.6+ 0.0 K0225 568 0.4- 0.5-
2000 WK183
Eccentricity assumed
Epoch 2002 May 6.0 TT = JDT 2452400.5 MPC
M 62.57741 (2000.0) P Q
n 0.00322596 Peri. 163.41301 +0.98243716 +0.18656087
a 45.3624438 Node 185.83821 -0.17486776 +0.91398901
e 0.1323913 Incl. 1.97273 -0.06510365 +0.36030422
P 306 H 6.4 G 0.15
Residuals in seconds of arc
K00BQ 809 0.2- 0.0 K00BR 809 0.0 0.1- K012I 950 0.5- 0.1-
K00BQ 809 0.0 0.1- K011U 809 0.4+ 0.0 K0223 568 0.0 0.0
K00BQ 809 0.2+ 0.1+ K011V 809 0.2+ 0.1+ K0224 568 0.0 0.0
K00BQ 809 0.2- 0.1- K011V 809 0.4+ 0.2-
K00BR 809 0.1+ 0.3+ K012G 950 0.4- 0.0
2001 HY65
Epoch 2002 May 6.0 TT = JDT 2452400.5 MPC
M 35.50109 (2000.0) P Q
n 0.00345555 Peri. 312.92596 -0.77346901 -0.63245480
a 43.3302190 Node 188.15888 +0.63261770 -0.76622162
e 0.1263542 Incl. 17.12649 +0.03924969 -0.11360172
P 285 H 6.6 G 0.15 U 6
Residuals in seconds of arc
K013Q 695 0.1- 0.1- K014R 568 0.0 0.1- K0169 304 0.0 0.2+
K013Q 695 0.0 0.1+ K015L 807 0.2+ 0.1+ K0224 568 0.0 0.0
K014Q 568 0.0 0.2- K015M 807 0.1+ 0.0 K0225 568 0.1+ 0.0
K014Q 568 0.1- 0.1- K0168 304 0.0 0.3+ K0226 568 0.2- 0.0
Ephemerides:
1999 CP133 a,e,i = 35.06, 0.09, 3 q = 31.965
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2002 02 25 10 59.20 +05 54.8 31.389 32.371 172.4 0.2 22.6
2002 03 07 10 58.24 +06 00.6 31.381 32.372 177.2 0.1 22.6
2002 03 17 10 57.28 +06 06.3 31.403 32.374 167.0 0.4 22.6
2002 03 27 10 56.37 +06 11.8 31.455 32.375 156.8 0.7 22.7
2002 04 06 10 55.55 +06 16.7 31.535 32.376 146.7 1.0 22.7
2002 04 16 10 54.84 +06 21.0 31.640 32.378 136.7 1.2 22.7
2002 04 26 10 54.27 +06 24.5 31.766 32.379 126.8 1.4 22.8
2002 05 06 10 53.86 +06 27.0 31.910 32.381 117.0 1.6 22.8
2002 05 16 10 53.62 +06 28.4 32.067 32.382 107.3 1.7 22.8
2002 05 26 10 53.57 +06 28.7 32.233 32.383 97.7 1.8 22.8
2002 06 05 10 53.71 +06 27.8 32.402 32.385 88.1 1.8 22.8
2002 06 15 10 54.04 +06 25.8 32.571 32.386 78.6 1.8 22.8
2002 06 25 10 54.54 +06 22.6 32.734 32.387 69.2 1.7 22.8
2002 07 05 10 55.22 +06 18.5 32.887 32.389 59.9 1.6 22.8
2002 07 15 10 56.04 +06 13.3 33.027 32.390 50.6 1.4 22.8
2002 07 25 10 57.00 +06 07.3 33.148 32.392 41.3 1.2 22.8
2002 08 04 10 58.08 +06 00.6 33.249 32.393 32.0 1.0 22.8
2000 WK183 a,e,i = 45.36, 0.13, 2 q = 39.357
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2002 02 25 04 12.18 +19 23.4 43.269 43.255 88.5 1.3 22.9
2002 03 07 04 12.42 +19 24.4 43.444 43.258 78.5 1.3 23.0
2002 03 17 04 12.81 +19 25.8 43.614 43.261 68.6 1.2 23.0
2002 03 27 04 13.36 +19 27.5 43.772 43.265 58.9 1.1 23.0
2002 04 06 04 14.04 +19 29.5 43.916 43.268 49.2 1.0 22.9
2002 04 16 04 14.84 +19 31.8 44.040 43.271 39.5 0.8 22.9
2002 04 26 04 15.73 +19 34.3 44.143 43.275 30.0 0.7 22.9
2001 HY65 a,e,i = 43.33, 0.13, 17 q = 37.855
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2002 02 25 12 23.61 -03 17.8 38.275 39.130 149.5 0.7 22.6
2002 03 07 12 22.92 -03 12.7 38.201 39.133 159.7 0.5 22.6
2002 03 17 12 22.17 -03 07.1 38.155 39.135 169.9 0.3 22.5
2002 03 27 12 21.39 -03 01.2 38.140 39.137 179.4 0.0 22.5
2002 04 06 12 20.62 -02 55.4 38.154 39.140 169.9 0.3 22.5
2002 04 16 12 19.87 -02 49.7 38.198 39.142 159.9 0.5 22.6
2002 04 26 12 19.19 -02 44.4 38.270 39.144 149.9 0.7 22.6
2002 05 06 12 18.59 -02 39.5 38.368 39.147 140.0 0.9 22.6
2002 05 16 12 18.09 -02 35.4 38.488 39.149 130.2 1.1 22.7
2002 05 26 12 17.72 -02 32.0 38.627 39.151 120.5 1.3 22.7
2002 06 05 12 17.48 -02 29.6 38.781 39.154 110.9 1.4 22.7
2002 06 15 12 17.40 -02 28.0 38.945 39.156 101.3 1.5 22.7
2002 06 25 12 17.46 -02 27.5 39.115 39.158 91.7 1.5 22.7
2002 07 05 12 17.68 -02 27.9 39.285 39.161 82.2 1.5 22.7
2002 07 15 12 18.04 -02 29.4 39.452 39.163 72.8 1.4 22.7
2002 07 25 12 18.55 -02 31.7 39.610 39.166 63.4 1.3 22.7
2002 08 04 12 19.19 -02 35.0 39.756 39.168 54.0 1.2 22.7
2002 08 14 12 19.95 -02 39.0 39.885 39.170 44.6 1.0 22.7
2002 08 24 12 20.81 -02 43.7 39.994 39.173 35.2 0.9 22.7
1999 CP133 seems to be the first confirmed librator in the 4:5 resonance
with Neptune, with the above orbit keeping the object more than 7 AU from
Neptune over a 14 000-year period.
(Last issue was M.P.E.C. 2002-D52)
Brian G. Marsden (C) Copyright 2002 MPC M.P.E.C. 2002-E01
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