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M.P.E.C. 2001-G29 Issued 2001 Apr. 13, 16:24 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
1998 WW31
Revision to MPEC 1999-B24
Observations:
J98W31W 1C2000 11 23.18897 03 30 36.60 +19 15 20.5 23.0 R 695
J98W31W 1C2000 11 23.40699 03 30 35.55 +19 15 16.3 695
J98W31W 3C2000 12 22.41014 03 28 34.73 +19 07 25.6 568
J98W31W 3C2000 12 23.34323 03 28 31.48 +19 07 12.3 568
J98W31W 3C2000 12 23.43105 03 28 31.14 +19 07 11.1 568
Observer details:
568 Mauna Kea. Observers C. Veillet, A. Doressoundiram, J. Shapiro. 3.6-m
Canada-France-Hawaii Telescope + CCD.
695 Kitt Peak. Observer M. W. Buie. 3.8-m reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees) and reference
001123 695 0.07- 0.02- 001223 568 0.07- 0.02- MPC 33766
Orbital elements:
1998 WW31
Epoch 2001 Apr. 1.0 TT = JDT 2452000.5 Marsden
M 110.69661 (2000.0) P Q
n 0.00326025 Peri. 58.65638 +0.42949531 +0.89762192
a 45.0438587 Node 237.09721 -0.86345201 +0.37605009
e 0.0887430 Incl. 6.77440 -0.26454566 +0.22991569
P 302 H 6.8 G 0.15 U 6
Residuals in seconds of arc
981118 695 0.1+ 0.4- 981218 950 0.1- 0.5- 001222 568 0.1- 0.0
981118 695 0.4+ 0.1- 990114 695 0.4+ 0.3+ 001223 568 0.3+ 0.2-
981118 695 0.1+ 0.1- 990114 695 0.3+ 0.2+ 001223 568 0.1- 0.2-
981218 950 0.8- 0.6+ 001123 695 0.3+ 0.4+
981218 950 0.3- 0.1+ 001123 695 0.3- 0.0
Ephemeris:
1998 WW31 a,e,i = 45.04, 0.09, 7 q = 41.047
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 06 20 03 36.54 +19 30.8 47.624 46.768 32.3 0.7 23.7
2001 06 30 03 37.33 +19 33.3 47.525 46.769 41.6 0.8 23.7
2001 07 10 03 38.04 +19 35.4 47.405 46.771 51.0 1.0 23.7
2001 07 20 03 38.64 +19 37.3 47.268 46.773 60.4 1.1 23.7
2001 07 30 03 39.12 +19 38.7 47.116 46.775 69.8 1.2 23.7
2001 08 09 03 39.47 +19 39.6 46.955 46.777 79.3 1.2 23.7
2001 08 19 03 39.67 +19 40.1 46.789 46.779 88.8 1.2 23.7
2001 08 29 03 39.73 +19 40.1 46.622 46.781 98.5 1.2 23.7
2001 09 08 03 39.65 +19 39.7 46.459 46.783 108.2 1.2 23.7
2001 09 18 03 39.42 +19 38.7 46.306 46.785 118.0 1.1 23.6
2001 09 28 03 39.06 +19 37.3 46.166 46.787 127.8 1.0 23.6
2001 10 08 03 38.58 +19 35.5 46.044 46.789 137.8 0.8 23.6
2001 10 18 03 37.99 +19 33.3 45.945 46.791 147.8 0.6 23.6
2001 10 28 03 37.32 +19 30.9 45.871 46.793 158.0 0.5 23.6
2001 11 07 03 36.59 +19 28.2 45.825 46.795 168.1 0.2 23.5
2001 11 17 03 35.83 +19 25.4 45.808 46.797 178.4 0.0 23.5
2001 11 27 03 35.07 +19 22.5 45.823 46.799 171.3 0.2 23.5
2001 12 07 03 34.33 +19 19.8 45.868 46.801 161.0 0.4 23.5
2001 12 17 03 33.64 +19 17.2 45.942 46.803 150.7 0.6 23.6
2001 12 27 03 33.04 +19 14.8 46.043 46.805 140.3 0.8 23.6
2002 01 06 03 32.53 +19 12.9 46.168 46.807 130.0 0.9 23.6
2002 01 16 03 32.15 +19 11.3 46.313 46.808 119.7 1.0 23.6
2002 01 26 03 31.90 +19 10.2 46.472 46.810 109.5 1.1 23.7
2002 02 05 03 31.80 +19 09.6 46.642 46.812 99.3 1.2 23.7
2002 02 15 03 31.86 +19 09.6 46.817 46.814 89.2 1.2 23.7
2002 02 25 03 32.06 +19 10.0 46.992 46.816 79.2 1.2 23.7
2002 03 07 03 32.41 +19 11.0 47.161 46.818 69.2 1.1 23.7
2002 03 17 03 32.90 +19 12.5 47.319 46.820 59.4 1.0 23.7
2002 03 27 03 33.51 +19 14.4 47.463 46.822 49.6 0.9 23.7
2002 04 06 03 34.23 +19 16.6 47.587 46.824 39.9 0.8 23.7
2002 04 16 03 35.04 +19 19.2 47.690 46.826 30.3 0.6 23.7
Brian G. Marsden (C) Copyright 2001 MPC M.P.E.C. 2001-G29
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