MPEC 2001-W38 : 2001 WU1 = 1979 WN8
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M.P.E.C. 2001-W38 Issued 2001 Nov. 20, 23:49 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
2001 WU1 = 1979 WN8
Observations:
K01W01U C2001 11 15.38015 02 35 53.21 +02 34 12.7 18.1 644
K01W01U C2001 11 15.40115 02 35 51.51 +02 34 15.5 18.2 644
K01W01U C2001 11 15.42263 02 35 49.77 +02 34 19.1 18.4 644
K01W01U* C2001 11 18.22475 02 32 08.51 +02 42 12.4 18.1 704
K01W01U C2001 11 18.23965 02 32 07.31 +02 42 14.6 18.3 704
K01W01U C2001 11 18.25455 02 32 06.10 +02 42 17.5 18.4 704
K01W01U C2001 11 18.26944 02 32 04.90 +02 42 20.0 18.5 704
K01W01U C2001 11 18.28437 02 32 03.69 +02 42 22.9 18.2 704
K01W01U C2001 11 19.20994 02 30 51.31 +02 45 21.1 18.0 704
K01W01U C2001 11 19.21249 02 30 51.08 +02 45 22.3 17.9 704
K01W01U C2001 11 19.22486 02 30 50.11 +02 45 23.9 18.2 704
K01W01U C2001 11 19.22775 02 30 49.83 +02 45 24.8 18.7 704
K01W01U C2001 11 19.23955 02 30 48.99 +02 45 26.3 18.6 704
K01W01U C2001 11 19.24338 02 30 48.56 +02 45 28.1 18.5 704
K01W01U C2001 11 19.25443 02 30 47.74 +02 45 29.9 17.9 704
K01W01U C2001 11 19.25781 02 30 47.41 +02 45 30.9 18.0 704
K01W01U C2001 11 19.26914 02 30 46.56 +02 45 32.7 17.9 704
K01W01U C2001 11 19.27289 02 30 46.24 +02 45 33.9 18.0 704
K01W01U C2001 11 20.23684 02 29 31.25 +02 48 49.7 16.4 R 649
K01W01U C2001 11 20.25576 02 29 29.74 +02 48 53.7 16.6 R 649
K01W01U C2001 11 20.28312 02 29 27.58 +02 48 59.2 16.6 R 649
K01W01U C2001 11 20.87431 02 28 42.09 +02 51 04.7 557
K01W01U C2001 11 20.88047 02 28 41.56 +02 51 06.0 557
K01W01U C2001 11 20.88352 02 28 41.32 +02 51 06.8 16.8 R 046
K01W01U C2001 11 20.88493 02 28 41.21 +02 51 06.9 046
K01W01U C2001 11 20.88603 02 28 41.13 +02 51 07.1 17.9 V 557
K01W01U C2001 11 20.88631 02 28 41.08 +02 51 07.4 046
K01W01U C2001 11 20.88777 02 28 40.98 +02 51 07.5 046
K01W01U C2001 11 20.88913 02 28 40.87 +02 51 07.8 17.0 R 046
Observer details:
046 Klet. Observer M. Tichy. 0.57-m f/5.2 reflector + CCD.
557 Ondrejov. Observers P. Pravec, P. Kusnirak, V. Mester. 0.65-m f/3.6
reflector + CCD.
644 Palomar Mountain/NEAT. Observers E. F. Helin, S. Pravdo, K. Lawrence,
M. Hicks, E. Hovland, T. Bickler, J. Schroeder, L. Scherr, R. Thicksten,
A. Deetz. 1.2-m Schmidt + CCD.
649 Powell Observatory, Louisburg. Observer K. Smalley. Measurer R. Fredrick.
0.75-m Newtonian + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, R. Huber, L. Manguso, S. Adams, J. Piscitelli. Measurers
J. Stuart, R. Sayer, J. B. Evans, H. Viggh. 1.0-m f/2.15 reflector + CCD.
Orbital elements:
2001 WU1 = 1979 WN8
Epoch 2001 Oct. 18.0 TT = JDT 2452200.5 MPC
M 318.81684 (2000.0) P Q
n 0.17727129 Peri. 81.24953 -0.76085199 -0.56725476
a 3.1384155 Node 63.58290 +0.36428459 -0.77528261
e 0.5699439 Incl. 20.60401 +0.53702978 -0.27777493
P 5.56 H 14.2 G 0.15 U 5
Residuals in seconds of arc
791124 675 0.5+ 0.0 011119 704 0.7- 0.3+ 011120 557 0.7+ 0.0
791125 675 0.5- 0.0 011119 704 0.9+ 0.5- 011120 557 0.1+ 0.1-
011118 704 0.3+ 0.1+ 011119 704 1.0- 0.5+ 011120 046 0.0 0.0
011118 704 0.3+ 0.5- 011119 704 0.0 0.1+ 011120 046 0.0 0.2-
011118 704 0.2+ 0.3- 011119 704 0.8- 0.5+ 011120 557 0.2+ 0.2-
011118 704 0.2+ 0.6- 011119 704 0.0 0.0 011120 046 0.3- 0.0
011118 704 0.1+ 0.5- 011119 704 0.3- 0.5+ 011120 046 0.1- 0.2-
011119 704 0.0 0.1+ 011120 649 0.1+ 0.2+ 011120 046 0.1- 0.2-
011119 704 0.3- 0.8+ 011120 649 0.0 0.2+
011119 704 0.0 0.0 011120 649 0.2+ 0.0
Ephemeris:
2001 WU1 = 1979 WN8 a,e,i = 3.14, 0.57, 21 q = 1.3497
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 11 17 02 33.75 +02 38.6 1.451 2.400 158.8 8.6 17.5
2001 11 27 02 21.09 +03 17.2 1.438 2.333 147.8 13.0 17.6
2001 12 07 02 10.32 +04 15.9 1.450 2.267 136.3 17.5 17.7
2001 12 17 02 02.44 +05 33.9 1.481 2.200 125.1 21.5 17.8
2001 12 27 01 58.06 +07 09.3 1.526 2.132 114.6 24.8 17.9
2002 01 06 01 57.31 +08 59.3 1.580 2.065 105.0 27.4 18.0
2002 01 16 02 00.09 +11 01.6 1.637 1.998 96.1 29.3 18.1
2002 01 26 02 06.22 +13 14.3 1.694 1.931 88.1 30.6 18.1
2002 02 05 02 15.43 +15 35.3 1.748 1.865 80.9 31.5 18.1
2002 02 15 02 27.57 +18 02.7 1.796 1.801 74.3 31.9 18.1
2002 02 25 02 42.51 +20 34.7 1.838 1.737 68.4 32.0 18.1
2002 03 07 03 00.19 +23 08.7 1.871 1.676 63.2 31.9 18.0
2002 03 17 03 20.68 +25 42.2 1.898 1.618 58.5 31.6 18.0
2002 03 27 03 44.06 +28 11.3 1.917 1.564 54.4 31.3 17.9
2002 04 06 04 10.46 +30 31.5 1.929 1.513 51.0 30.9 17.9
2002 04 16 04 40.02 +32 37.2 1.936 1.468 48.0 30.5 17.8
2002 04 26 05 12.76 +34 21.2 1.938 1.429 45.6 30.2 17.7
2002 05 06 05 48.51 +35 35.9 1.939 1.397 43.7 29.9 17.7
2002 05 16 06 26.89 +36 13.3 1.940 1.373 42.3 29.7 17.6
2002 05 26 07 07.11 +36 06.7 1.944 1.357 41.2 29.5 17.6
2002 06 05 07 48.16 +35 11.7 1.952 1.350 40.4 29.1 17.6
2002 06 15 08 28.96 +33 27.8 1.967 1.353 39.8 28.7 17.6
2002 06 25 09 08.49 +30 58.9 1.990 1.364 39.2 28.1 17.6
2002 07 05 09 46.08 +27 51.8 2.024 1.385 38.7 27.3 17.7
2002 07 15 10 21.39 +24 16.0 2.069 1.413 37.9 26.2 17.7
2002 07 25 10 54.34 +20 21.2 2.126 1.449 37.0 24.9 17.8
2002 08 04 11 25.10 +16 16.8 2.192 1.492 35.7 23.4 17.9
2002 08 14 11 53.91 +12 10.5 2.269 1.540 34.2 21.7 18.0
2002 08 24 12 21.05 +08 08.7 2.354 1.593 32.2 19.8 18.1
Brian G. Marsden (C) Copyright 2001 MPC M.P.E.C. 2001-W38
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