MPEC 2000-A05: 1999 CY118
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M.P.E.C. 2000-A05 Issued 2000 Jan. 2, 18:23 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
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
1999 CY118
Revision to MPEC 1999-J42
Observations:
J99CB8Y 6C2000 01 01.54824 11 12 05.91 +06 10 53.0 23.8 R 568
J99CB8Y 6C2000 01 01.58737 11 12 05.86 +06 10 53.8 23.7 R 568
J99CB8Y 6C2000 01 01.62923 11 12 05.81 +06 10 54.6 23.6 R 568
J99CB8Y 6C2000 01 02.52541 11 12 04.80 +06 11 12.5 568
J99CB8Y 6C2000 01 02.56512 11 12 04.74 +06 11 12.8 568
J99CB8Y 6C2000 01 02.62563 11 12 04.67 +06 11 14.3 568
Observer details:
568 Mauna Kea. Observers J. J. Kavelaars, A. Morbidelli. 3.5-m Canada-
France-Hawaii Telescope + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc and reference
000101 568 42.2- 11.5+ 000102 568 42.1- 12.0+ MPC 35084
Orbital elements:
1999 CY118
Epoch 2000 Feb. 26.0 TT = JDT 2451600.5 Marsden
M 357.88981 (2000.0) P Q
n 0.00116985 Peri. 13.52145 -0.99161799 -0.03075341
a 89.2038288 Node 163.12539 +0.03363095 -0.99921627
e 0.6111051 Incl. 25.61444 +0.12475066 +0.02492140
P 843 H 8.6 G 0.15 U 5
Residuals in seconds of arc
990210 568 0.3- 0.1+ 990412 568 0.1- 0.1+ 000101 568 0.0 0.3-
990210 568 0.2- 0.2+ 990413 568 0.0 0.1- 000101 568 0.1- 0.2-
990212 568 0.1- 0.5- 990413 568 0.3+ 0.1+ 000101 568 0.1- 0.2-
990212 568 0.1+ 0.0 990506 568 0.0 0.3+ 000102 568 0.1+ 0.4+
990316 568 0.2+ 0.2- 990506 568 0.1- 0.3+ 000102 568 0.0 0.1-
990316 568 0.3+ 0.1- 990507 568 0.0 0.2+ 000102 568 0.1+ 0.2+
Ephemeris:
1999 CY118 a,e,i = 89.20, 0.61, 26 q = 34.691
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 12 28 11 12.16 +06 09.6 34.615 34.950 109.2 1.5 24.2
2000 01 07 11 11.97 +06 12.8 34.454 34.948 119.4 1.4 24.2
2000 01 17 11 11.62 +06 17.0 34.308 34.945 129.7 1.2 24.2
2000 01 27 11 11.11 +06 22.2 34.182 34.942 140.1 1.0 24.1
2000 02 06 11 10.48 +06 28.1 34.079 34.939 150.4 0.8 24.1
2000 02 16 11 09.74 +06 34.6 34.003 34.937 160.7 0.5 24.1
2000 02 26 11 08.94 +06 41.4 33.956 34.934 171.0 0.3 24.0
2000 03 07 11 08.11 +06 48.4 33.939 34.931 178.3 0.0 24.0
2000 03 17 11 07.28 +06 55.3 33.953 34.929 168.4 0.3 24.0
2000 03 27 11 06.49 +07 01.9 33.997 34.926 158.3 0.6 24.1
2000 04 06 11 05.77 +07 08.0 34.069 34.923 148.2 0.9 24.1
2000 04 16 11 05.14 +07 13.4 34.166 34.921 138.3 1.1 24.1
2000 04 26 11 04.64 +07 18.0 34.285 34.918 128.4 1.3 24.2
2000 05 06 11 04.28 +07 21.6 34.422 34.916 118.5 1.5 24.2
2000 05 16 11 04.08 +07 24.2 34.574 34.913 108.8 1.6 24.2
2000 05 26 11 04.05 +07 25.7 34.734 34.911 99.2 1.6 24.2
2000 06 05 11 04.20 +07 26.1 34.900 34.908 89.6 1.7 24.2
2000 06 15 11 04.52 +07 25.4 35.065 34.906 80.2 1.6 24.2
2000 06 25 11 05.00 +07 23.6 35.225 34.903 70.7 1.6 24.3
2000 07 05 11 05.64 +07 20.9 35.376 34.901 61.4 1.5 24.3
2000 07 15 11 06.43 +07 17.2 35.514 34.898 52.0 1.3 24.2
2000 07 25 11 07.35 +07 12.8 35.635 34.896 42.8 1.1 24.2
2000 08 04 11 08.38 +07 07.8 35.735 34.893 33.5 0.9 24.2
Brian G. Marsden (C) Copyright 2000 MPC M.P.E.C. 2000-A05
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