MPEC 2001-W61 : 2001 WH1
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M.P.E.C. 2001-W61 Issued 2001 Nov. 26, 15:10 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 WH1
Observations:
K01W01H* C2001 11 17.29626 05 01 37.85 +14 59 32.4 19.3 704
K01W01H C2001 11 17.31086 05 01 36.69 +14 59 43.4 20.0 704
K01W01H C2001 11 17.32626 05 01 35.46 +14 59 55.1 19.9 704
K01W01H C2001 11 17.34091 05 01 34.31 +15 00 06.9 19.9 704
K01W01H C2001 11 17.35584 05 01 33.13 +15 00 17.2 19.7 704
K01W01H C2001 11 18.36185 05 00 16.61 +15 13 40.6 19.5 704
K01W01H C2001 11 18.37670 05 00 15.31 +15 13 53.5 19.6 704
K01W01H C2001 11 18.39182 05 00 14.01 +15 14 05.4 19.5 704
K01W01H C2001 11 18.40727 05 00 12.59 +15 14 17.8 19.9 704
K01W01H C2001 11 24.31040 04 48 38.65 +17 07 25.5 19.0 V 291
K01W01H C2001 11 24.33459 04 48 34.36 +17 08 03.2 18.9 V 291
K01W01H C2001 11 24.35723 04 48 30.29 +17 08 39.0 19.0 V 291
K01W01H C2001 11 25.33285 04 45 38.44 +17 35 19.1 17.5 R 711
K01W01H C2001 11 25.33858 04 45 37.29 +17 35 29.0 17.5 R 711
K01W01H C2001 11 25.34425 04 45 36.18 +17 35 38.7 17.6 R 711
K01W01H C2001 11 25.35384 04 45 34.58 +17 35 53.9 17.9 V 691
K01W01H C2001 11 25.35816 04 45 33.66 +17 36 01.7 19.7 V 691
K01W01H C2001 11 25.36406 04 45 32.42 +17 36 12.8 18.3 V 691
K01W01H C2001 11 26.00124 04 43 27.54 +17 55 12.9 118
K01W01H C2001 11 26.00444 04 43 26.82 +17 55 19.4 118
K01W01H C2001 11 26.00788 04 43 26.05 +17 55 25.4 118
K01W01H C2001 11 26.01306 04 43 24.94 +17 55 35.1 17.5 R 118
K01W01H C2001 11 26.27803 04 42 30.97 +18 03 58.9 658
K01W01H C2001 11 26.27995 04 42 30.61 +18 04 02.6 658
K01W01H C2001 11 26.28300 04 42 29.91 +18 04 08.5 658
K01W01H C2001 11 26.30431 04 42 24.57 +18 05 00.8 17.4 R 711
K01W01H C2001 11 26.30930 04 42 23.46 +18 05 10.4 17.6 R 711
Observer details:
118 Modra. Observers A. Galad, S. Gajdos. 0.6-m f/5.5 reflector + CCD.
291 LPL/Spacewatch II. Observer J. A. Larsen. 1.8-m Spacewatch telescope.
658 National Research Council of Canada. Observer D. D. Balam. 1.82-m
Plaskett reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer M. T. Read. 0.9-m Spacewatch
telescope.
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.
711 McDonald Observatory. Observer J. G. Ries. 0.76-m reflector + CCD.
Orbital elements:
2001 WH1 PHA 0.043
Epoch 2001 Nov. 7.0 TT = JDT 2452220.5 MPC
M 341.52156 (2000.0) P Q
n 0.23314891 Peri. 107.16725 -0.96299114 -0.08742872
a 2.6144507 Node 68.42173 -0.04599123 -0.87875750
e 0.8135097 Incl. 15.91283 +0.26558024 -0.46919237
P 4.23 H 20.3 G 0.15
From 27 observations 2001 Nov. 17-26.
Ephemeris:
2001 WH1 a,e,i = 2.61, 0.81, 16 q = 0.4876
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 11 17 05 01.97 +14 56.0 0.389 1.356 157.5 16.2 19.8
2001 11 22 04 54.16 +16 14.9 0.309 1.288 164.3 12.0 19.0
2001 11 27 04 39.83 +18 28.6 0.233 1.219 172.8 5.8 18.0
2001 12 02 04 10.83 +22 34.4 0.163 1.148 174.9 4.4 17.0
2001 12 07 02 56.56 +30 39.7 0.101 1.076 152.5 25.0 16.6
2001 12 12 23 15.40 +35 40.1 0.070 1.003 103.0 73.1 17.1
2001 12 17 20 04.36 +17 35.3 0.101 0.929 54.2 120.7 20.1
Brian G. Marsden (C) Copyright 2001 MPC M.P.E.C. 2001-W61
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