MPEC 2001-O35: 1998 WP5
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M.P.E.C. 2001-O35 Issued 2001 July 24, 14:41 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 WP5
Revision to MPEC 1998-W29
Observations:
J98W05P C2001 07 23.72231 00 26 45.26 -40 19 15.7 18.3 R 474
J98W05P C2001 07 23.72492 00 26 45.36 -40 19 17.9 18.4 R 474
J98W05P C2001 07 23.72744 00 26 45.32 -40 19 20.6 18.8 R 474
J98W05P C2001 07 24.57919 00 26 55.30 -40 31 24.2 18.4 R 474
J98W05P C2001 07 24.58243 00 26 55.30 -40 31 27.2 18.3 R 474
J98W05P C2001 07 24.58581 00 26 55.31 -40 31 30.0 18.1 R 474
J98W05P C2001 07 24.58909 00 26 55.37 -40 31 32.9 18.4 R 474
Observer details:
474 Mount John Observatory, Lake Tekapo. Observers I. P. Griffin, N. Brady.
1.0-m f/7.7 reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
010723 474 9.5+ 11.3+ 010724 474 9.5+ 11.1+ MPC 34596 -0.0030 day
Orbital elements:
1998 WP5
Epoch 2001 Apr. 1.0 TT = JDT 2452000.5 Spahr
M 116.82549 (2000.0) P Q
n 0.61180574 Peri. 97.49180 -0.65736389 -0.72729883
a 1.3742329 Node 36.21553 +0.48944902 -0.61110389
e 0.1951039 Incl. 19.50337 +0.57298549 -0.31239148
P 1.61 H 18.4 G 0.15 U 3
Residuals in seconds of arc
981119 704 1.2- 1.5- 981123 704 0.9- 0.0 981214 658 0.3- 0.3+
981119 704 0.2+ 0.5+ 981123 704 0.3- 0.8+ 981214 658 0.4- 0.3+
981119 704 (0.8+ 2.4-) 981123 704 0.9- 0.2+ 981214 658 0.3- 0.3+
981119 704 1.3- 1.6- 981123 704 0.7- 0.6+ 981223 118 0.1+ 0.4-
981119 704 0.8- 0.0 981123 704 0.5- 1.5- 981223 118 0.1- 0.3-
981120 557 0.2- 0.2+ 981123 704 1.1+ 0.9+ 981223 118 0.3+ 0.1+
981120 557 0.2+ 0.1+ 981123 704 0.9- 0.3- 981224 402 0.4+ 0.8+
981120 557 0.1- 0.5+ 981123 704 1.2- 1.6- 981224 402 0.2- 0.4-
981120 557 0.4+ 0.5+ 981123 704 0.6- 1.2+ 981224 402 0.7+ 0.6-
981121 611 0.3+ 0.3+ 981123 557 0.6+ 0.2+ 990105 402 0.0 0.0
981121 611 0.9- 0.5+ 981123 557 0.6+ 0.6+ 990105 402 0.1+ 0.5+
981121 611 0.2- 1.3- 981123 557 0.1+ 0.1+ 990105 402 0.1- 0.7+
981121 587 0.5- 0.8+ 981123 118 1.0+ 0.0 990414 360 0.2+ 0.0
981121 587 0.4+ 0.2- 981123 118 1.7+ 0.5- 990414 360 0.3+ 0.3-
981122 360 0.1+ 0.4+ 981123 118 0.8+ 0.4- 990414 360 0.3+ 0.1+
981122 360 0.2+ 0.2+ 981124 046 0.9+ 0.2+ 990429 658 0.1+ 0.5-
981122 360 0.3+ 0.1+ 981124 046 1.2+ 0.0 990429 658 0.1- 0.3+
981123 704 1.3- 0.2- 981124 046 1.0+ 0.2+ 990429 658 0.1- 0.5-
981123 704 0.5+ 1.7- 981124 046 1.0+ 0.1+ 010723 474 0.2+ 0.1+
981123 704 0.7+ 0.0 981129 402 0.2+ 1.1+ 010723 474 1.1+ 0.1+
981123 704 1.4- 0.8+ 981129 402 0.4- 1.1+ 010723 474 0.4+ 0.4-
981123 704 1.0- 0.5- 981129 402 0.7- 0.1+ 010724 474 0.1+ 0.2-
981123 704 0.5- 0.6+ 981212 402 1.2+ 0.6- 010724 474 0.1- 0.4-
981123 704 0.6+ 0.1+ 981212 402 1.3+ 0.3- 010724 474 0.3- 0.2-
981123 704 (3.0- 2.4+) 981212 402 1.2+ 0.6- 010724 474 0.2+ 0.2-
Ephemeris:
1998 WP5 a,e,i = 1.37, 0.20, 20 q = 1.1061
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 07 10 00 18.68 -37 25.4 0.935 1.642 114.6 34.3 20.8
2001 07 20 00 25.56 -39 28.0 0.874 1.642 120.5 32.2 20.5
2001 07 30 00 26.83 -41 50.7 0.819 1.639 126.3 29.9 20.3
2001 08 09 00 21.19 -44 20.9 0.774 1.635 131.8 27.6 20.1
2001 08 19 00 07.56 -46 36.8 0.740 1.628 136.0 25.6 20.0
2001 08 29 23 46.19 -48 06.2 0.720 1.619 138.1 24.6 19.9
2001 09 08 23 19.97 -48 18.0 0.715 1.608 137.4 25.1 19.9
2001 09 18 22 53.87 -46 57.5 0.725 1.595 133.8 27.1 19.9
2001 09 28 22 32.77 -44 13.0 0.750 1.580 128.2 29.9 20.1
2001 10 08 22 19.08 -40 30.1 0.788 1.563 121.6 33.0 20.2
2001 10 18 22 12.75 -36 14.6 0.836 1.545 114.6 35.9 20.4
2001 10 28 22 12.72 -31 45.0 0.891 1.524 107.8 38.4 20.6
2001 11 07 22 17.58 -27 12.3 0.951 1.502 101.3 40.3 20.8
2001 11 17 22 26.16 -22 41.3 1.014 1.478 95.1 41.8 20.9
2001 11 27 22 37.63 -18 13.3 1.077 1.453 89.4 42.8 21.0
2001 12 07 22 51.30 -13 48.3 1.139 1.426 84.0 43.4 21.1
Timothy B. Spahr (C) Copyright 2001 MPC M.P.E.C. 2001-O35
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