MPEC 2005-F02 : 2004 BT58
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M.P.E.C. 2005-F02 Issued 2005 Mar. 16, 11:37 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.
Supported in part by the Brinson Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2004 BT58
Revision to MPEC 2004-B44
Additional Observations:
K04B58T 2C2005 03 06.34589908 42 47.063-21 08 47.20 22.3 R EF002568
K04B58T 2C2005 03 06.35374408 42 45.715-21 08 41.12 22.4 R EF002568
K04B58T 2C2005 03 07.31983708 40 11.937-20 55 56.48 21.9 R EF002568
Observer details:
568 Mauna Kea. Observer F. Bernardi. Measurers F. Bernardi, D. J. Tholen.
2.24-m University of Hawaii reflector + 8192 CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
050306 568 0.14- 0.12+ 050307 568 0.14- 0.12+ MPO 62478 +0.11 day
Orbital elements:
2004 BT58
Epoch 2005 Jan. 30.0 TT = JDT 2453400.5 MPC
M 130.75429 (2000.0) P Q
n 1.04640756 Peri. 45.79708 +0.94425924 +0.20144689
a 0.9608792 Node 300.92575 -0.31320856 +0.79327321
e 0.3850231 Incl. 17.66931 +0.10136510 +0.57457529
P 0.94 H 22.1 G 0.15 U 4
Residuals in seconds of arc
040123 704 0.1- 0.1- 040123 246 1.4+ 0.9+ 040125 J95 0.6- 0.1-
040123 704 0.3- 0.3- 040123 246 0.9+ 0.0 040125 J95 0.8+ 0.0
040123 704 0.2+ 0.0 040124 673 1.4+ 0.7+ 040125 J95 0.4+ 0.0
040123 704 0.0 0.5- 040124 673 0.5+ 0.9+ 040127 926 0.2- 0.1-
040123 611 0.0 0.1- 040124 673 1.3+ 0.4+ 040127 926 0.6+ 0.0
040123 611 0.5- 0.5+ 040124 673 0.0 0.4+ 040127 926 0.7- 1.2-
040123 611 0.0 0.2- 040124 673 0.7+ 0.4+ 040128 926 0.4+ 0.5-
040123 118 1.3- 0.4- 040124 704 0.6- 0.3+ 040128 926 0.2+ 0.2+
040123 611 1.2- 1.5+ 040124 704 0.9- 0.6+ 040128 926 1.1- 0.0
040123 611 (0.3+ 2.7+) 040124 704 1.1- 0.4+ 040214 715 0.3- 0.2-
040123 118 1.0- 0.4- 040124 704 1.1- 0.9+ 040218 493 0.1- 0.0
040123 118 0.7- 0.0 040124 704 0.7- 0.3- 040218 493 1.5+ 1.2+
040123 118 1.1+ 0.2- 040124 246 0.5- 1.6- 040218 493 0.3- 0.0
040123 246 0.6+ 0.1- 040124 246 0.4- 0.2- 050306 568 0.0 0.1+
040123 246 0.1- 0.7- 040124 246 0.3+ 0.3+ 050306 568 0.0 0.0
040123 246 1.1+ 0.1+ 040125 246 0.2+ 0.1- 050307 568 0.1- 0.0
040123 246 1.2+ 0.2- 040125 246 0.8- 0.5-
Ephemeris:
2004 BT58 a,e,i = 0.96, 0.39, 18 q = 0.5909
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 03 11 08 31.50 -20 04.4 0.445 1.329 131.2 34.2 22.4
2005 03 21 08 15.92 -17 37.9 0.501 1.331 121.9 39.5 22.8
2005 03 31 08 09.97 -15 22.7 0.562 1.325 113.3 43.8 23.1
Timothy B. Spahr (C) Copyright 2005 MPC M.P.E.C. 2005-F02
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