MPEC 2001-H12 : 2001 HB
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M.P.E.C. 2001-H12 Issued 2001 Apr. 17, 15:57 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 HB
Observations:
K01H00B* C2001 04 16.16709 11 28 17.12 +08 04 32.6 18.5 R 699
K01H00B C2001 04 16.19872 11 28 22.41 +08 04 34.7 699
K01H00B C2001 04 16.20258 11 28 22.86 +08 04 36.5 18.0 704
K01H00B C2001 04 16.21617 11 28 25.07 +08 04 37.4 18.4 704
K01H00B C2001 04 16.22973 11 28 27.38 +08 04 38.3 17.9 704
K01H00B C2001 04 16.23076 11 28 27.72 +08 04 37.5 699
K01H00B C2001 04 16.24329 11 28 29.61 +08 04 39.2 18.5 704
K01H00B C2001 04 16.25681 11 28 31.87 +08 04 40.6 18.8 704
K01H00B C2001 04 16.26180 11 28 32.84 +08 04 38.7 699
K01H00B C2001 04 16.84564 11 30 16.06 +08 05 00.6 17.5 R 046
K01H00B C2001 04 16.84713 11 30 16.24 +08 05 00.8 046
K01H00B C2001 04 16.84816 11 30 16.45 +08 05 00.4 046
K01H00B C2001 04 16.85587 11 30 17.50 +08 05 01.7 118
K01H00B C2001 04 16.86245 11 30 18.59 +08 05 01.2 118
K01H00B C2001 04 16.86574 11 30 19.12 +08 05 01.0 18.4 R 118
K01H00B C2001 04 16.93338 11 30 29.75 +08 05 03.0 557
K01H00B C2001 04 16.93566 11 30 30.15 +08 05 02.9 557
K01H00B C2001 04 16.94021 11 30 30.84 +08 05 02.9 557
K01H00B C2001 04 16.94249 11 30 31.24 +08 05 03.1 557
K01H00B C2001 04 17.29513 11 31 28.41 +08 05 19.4 18.4 R 649
K01H00B C2001 04 17.29860 11 31 28.89 +08 05 18.9 18.3 R 649
K01H00B C2001 04 17.30244 11 31 29.51 +08 05 18.1 18.7 R 649
Observer details:
046 Klet. Observers J. Ticha, M. Tichy, Z. Moravec. 0.57-m f/5.2
reflector + CCD.
118 Modra. Observers L. Kornos, J. Toth. 0.6-m f/5.5 reflector + CCD.
557 Ondrejov. Observer P. Kusnirak. 0.65-m f/3.6 reflector + CCD.
649 Powell Observatory, Louisburg. Observer K. Smalley. 0.75-m Newtonian
+ CCD.
699 Lowell Observatory-LONEOS. Observer B. A. Skiff. Measurer B. W. Koehn.
0.59-m LONEOS Schmidt + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, R. Huber, L. Manguso, S. Adams. Measurers J. Stuart,
R. Sayer, J. B. Evans, H. Viggh. 1.0-m f/2.15 reflector + CCD.
Orbital elements:
2001 HB PHA 0.014
Epoch 2001 Apr. 1.0 TT = JDT 2452000.5 Spahr
M 32.83133 (2000.0) P Q
n 0.67432416 Peri. 237.62765 +0.28215198 -0.95836170
a 1.2879240 Node 196.15987 +0.92472334 +0.28388165
e 0.6835601 Incl. 9.08934 +0.25549364 +0.03088792
P 1.46 H 20.5 G 0.15
From 22 observations 2001 Apr. 16-17.
Ephemeris:
2001 HB a,e,i = 1.29, 0.68, 9 q = 0.4076
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 04 11 11 04.80 +07 43.5 0.123 1.103 143.1 33.0 17.5
2001 04 21 11 39.86 +08 03.1 0.259 1.217 140.9 31.4 19.3
2001 05 01 11 54.55 +07 32.0 0.402 1.322 134.7 32.8 20.5
2001 05 11 12 05.58 +06 40.8 0.553 1.419 127.9 34.2 21.4
2001 05 21 12 15.91 +05 37.4 0.711 1.508 121.2 35.1 22.1
Timothy B. Spahr (C) Copyright 2001 MPC M.P.E.C. 2001-H12
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