MPEC 2001-K33: 2001 HB
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M.P.E.C. 2001-K33 Issued 2001 May 24, 23:28 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
Revision to MPEC 2001-H12
Observations:
K01H00B C1998 04 19.24950 12 14 10.61 +05 02 27.1 20.1 704
K01H00B C1998 04 19.27115 12 14 09.93 +05 02 42.2 20.3 704
K01H00B C1998 04 19.29273 12 14 09.39 +05 02 55.0 20.4 704
K01H00B C1998 04 19.31414 12 14 08.95 +05 03 10.9 19.9 704
K01H00B C1998 04 20.14138 12 14 01.39 +05 11 43.2 19.1 704
K01H00B C1998 04 20.16153 12 14 01.10 +05 11 56.8 19.9 704
K01H00B C1998 04 20.18182 12 14 00.75 +05 12 05.9 19.9 704
K01H00B C1998 04 20.20271 12 14 00.16 +05 12 19.5 19.8 704
K01H00B HC2001 05 24.17319 12 19 01.21 +05 16 26.2 22.6 V 291
K01H00B HC2001 05 24.17669 12 19 01.50 +05 16 24.8 22.6 V 291
K01H00B HC2001 05 24.17964 12 19 01.67 +05 16 23.7 22.4 V 291
Observer details:
291 LPL/Spacewatch II. Observers T. Gehrels, J. V. Scotti, J. L. Montani,
J. A. Larsen, R. S. McMillan, A. E. Gleason, M. T. Read, A. F. Tubbiolo,
T. H. Bressi, A. S. Descour. 1.8-m Spacewatch telescope.
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 31.51002 (2000.0) P Q
n 0.65517524 Peri. 237.59198 +0.28352462 -0.95791540
a 1.3128982 Node 196.12121 +0.92513854 +0.28553758
e 0.6940460 Incl. 9.29611 +0.25245291 +0.02943431
P 1.50 H 20.5 G 0.15 U 5
Residuals in seconds of arc
980419 704 0.9+ 0.1- 010416 704 0.3+ 0.8+ 010424 540 0.4- 0.1-
980419 704 1.0- 0.6+ 010416 699 0.8- 0.6- 010424 540 1.6- 0.4-
980419 704 1.0- 0.9- 010416 046 0.4+ 0.1+ 010424 540 0.6- 0.3-
980419 704 0.2+ 1.0+ 010416 046 0.4- 0.2+ 010424 540 0.6- 0.4+
980420 704 0.3- 0.5- 010416 046 0.3+ 0.3- 010424 046 1.0+ 0.0
980420 704 1.4+ 1.3+ 010416 118 0.7- 0.4+ 010424 046 0.2+ 0.8-
980420 704 (2.5+ 1.5-) 010416 118 0.2+ 0.3- 010424 046 0.8+ 0.7+
980420 704 0.3+ 0.0 010416 118 0.4+ 0.6- 010424 046 0.1+ 0.1+
010416 699 0.4+ 0.3- 010416 557 0.5- 0.1+ 010424 046 0.3- 0.4-
010416 699 0.2+ 0.6- 010416 557 0.1+ 0.1- 010501 691 0.1+ 0.5+
010416 704 0.4+ 0.0 010416 557 0.2- 0.2- 010501 691 1.7+ 0.0
010416 704 0.3- 0.0 010416 557 0.4+ 0.1- 010524 291 1.1- 0.3-
010416 704 0.5+ 0.1+ 010417 649 0.0 0.8+ 010524 291 0.2+ 0.2-
010416 699 0.2- 0.1+ 010417 649 0.6- 0.3+ 010524 291 0.2+ 0.1-
010416 704 0.1+ 0.2+ 010417 649 0.1- 0.5-
Ephemeris:
2001 HB a,e,i = 1.31, 0.69, 9 q = 0.4017
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 05 11 12 05.48 +06 41.3 0.563 1.427 127.9 33.9 21.4
2001 05 21 12 15.75 +05 38.4 0.723 1.518 121.1 34.8 22.1
2001 05 31 12 26.20 +04 26.9 0.890 1.602 114.5 35.2 22.7
Timothy B. Spahr (C) Copyright 2001 MPC M.P.E.C. 2001-K33
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