MPEC 2004-P18 : 2003 BL1
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M.P.E.C. 2004-P18 Issued 2004 Aug. 6, 11:45 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
2003 BL1
Revision to MPEC 2003-B28
Additional Observations:
K03B01L 2C2004 07 20.40748321 13 26.308-33 24 16.09 20.6 R EP018568
K03B01L 2C2004 07 20.41008821 13 26.001-33 24 15.78 20.9 R EP018568
K03B01L 2C2004 07 21.47016121 11 25.009-33 21 39.41 20.8 R EP018568
K03B01L 2C2004 07 21.47267721 11 24.706-33 21 39.03 20.9 R EP018568
Observer details:
568 Mauna Kea. Observer F. Bernardi. 2.2-m University of Hawaii reflector
+ CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
040720 568 28.0- 19.6- 040721 568 28.2- 19.7- MPO 43491 +0.022 day
Orbital elements:
2003 BL1
Epoch 2004 July 14.0 TT = JDT 2453200.5 MPC
M 256.89253 (2000.0) P Q
n 0.43988129 Peri. 110.49982 +0.22151556 -0.94928440
a 1.7122969 Node 324.25193 +0.69000073 +0.31427420
e 0.3200623 Incl. 22.45378 +0.68907898 -0.00953180
P 2.24 H 19.2 G 0.15 U 2
Residuals in seconds of arc
030123 704 0.9+ 0.1+ 030126 670 1.6- 0.2+ 030219 246 0.3- 0.2+
030123 704 0.2+ 1.7+ 030126 651 0.8+ 1.8+ 030219 246 0.2- 0.2-
030123 704 1.3+ 0.5- 030126 651 0.0 0.2+ 030219 246 0.1+ 0.3+
030123 704 (2.1+ 1.8-) 030126 651 0.1- 0.6+ 030219 246 0.0 0.1+
030124 587 0.6+ 0.1- 030126 J95 0.5+ 0.6+ 030219 246 0.3- 0.1+
030124 587 0.2- 0.4- 030126 J95 1.1- 0.4+ 030221 176 0.1- 0.2+
030124 587 0.1+ 0.2+ 030126 966 0.1+ 0.1+ 030221 176 0.0 0.1+
030125 176 0.4+ 0.1+ 030126 966 0.6+ 0.1+ 030221 176 0.0 0.0
030125 176 0.2+ 0.1- 030127 926 0.0 0.3- 030221 176 0.0 0.0
030125 620 0.2+ 0.6+ 030130 J95 0.2- 0.0 030221 176 0.0 0.2-
030125 176 0.1- 0.5- 030130 J95 0.2- 0.8- 030221 176 0.1+ 0.2-
030125 620 0.0 1.0+ 030130 J95 0.4- 0.1- 030225 246 0.2+ 0.3-
030125 176 0.3- 0.7- 030130 J95 0.3- 0.7- 030225 246 0.1+ 0.2-
030125 620 0.0 1.3+ 030131 670 1.0+ 0.0 030225 246 0.2- 0.8+
030125 620 0.1+ 1.4+ 030131 670 1.5+ 0.8+ 030225 246 0.1- 0.2+
030125 670 0.0 0.4- 030201 118 1.6+ 0.5+ 030225 246 0.1+ 0.1+
030125 670 0.2- 1.2+ 030201 118 0.3+ 0.3+ 030225 246 0.3- 0.2+
030125 670 (0.0 2.2-) 030201 118 0.9+ 0.1- 030225 246 0.1- 0.2+
030125 670 0.2- 0.6- 030201 118 0.2+ 0.3- 030305 246 0.9+ 0.2+
030125 670 0.2+ 2.0- 030209 540 0.8- 0.5+ 030305 246 0.6- 0.1-
030125 670 0.1+ 0.4- 030209 540 0.1+ 0.1+ 030305 246 0.7- 0.6+
030126 204 0.4+ 0.2+ 030209 966 0.2+ 0.3- 030305 246 0.1+ 0.0
030126 204 0.0 0.9+ 030209 966 0.1+ 0.4+ 030305 246 0.1+ 0.5+
030126 204 0.1- 1.8- 030210 446 0.2+ 0.7- 030305 246 0.3+ 0.1-
030126 926 0.5- 0.5- 030210 644 0.1+ 0.3+ 040720 568 0.0 0.0
030126 926 0.3- 0.1- 030210 446 0.1+ 0.1+ 040720 568 0.1- 0.0
030126 926 0.0 0.3- 030210 644 0.5+ 0.3- 040721 568 0.0 0.0
030126 670 (0.5+ 2.3+) 030210 446 0.1- 0.9- 040721 568 0.0 0.0
030126 670 0.7+ 0.8- 030210 644 0.3+ 0.3+
Ephemeris:
2003 BL1 a,e,i = 1.71, 0.32, 22 q = 1.1643
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2004 08 03 20 45.05 -32 19.5 0.914 1.912 165.0 7.9 21.0
2004 08 13 20 23.22 -30 43.9 0.900 1.876 157.5 11.9 21.1
2004 08 23 20 04.12 -28 32.4 0.910 1.839 146.2 17.8 21.2
2004 09 02 19 50.02 -25 59.4 0.942 1.800 134.6 23.5 21.5
2004 09 12 19 41.72 -23 19.8 0.990 1.760 123.7 28.4 21.7
2004 09 22 19 39.08 -20 43.0 1.048 1.719 113.8 32.3 21.8
2004 10 02 19 41.42 -18 12.5 1.111 1.676 104.9 35.2 22.0
Timothy B. Spahr (C) Copyright 2004 MPC M.P.E.C. 2004-P18
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