MPEC 2000-L20: 1999 LS7 = 2000 LE2
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M.P.E.C. 2000-L20 Issued 2000 June 5, 22:01 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
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
1999 LS7 = 2000 LE2
Revision to MPEC 1999-L37
Observations:
K00L02E* C2000 06 04.25706 13 31 50.40 -17 21 04.5 19.2 608
K00L02E C2000 06 04.26783 13 31 47.94 -17 20 01.7 19.0 608
K00L02E C2000 06 04.27872 13 31 45.47 -17 18 58.7 19.1 608
K00L02E 4C2000 06 05.18205 13 28 42.76 -15 50 55.2 673
K00L02E 4C2000 06 05.18403 13 28 42.42 -15 50 44.9 673
K00L02E 4C2000 06 05.18583 13 28 42.03 -15 50 34.9 673
K00L02E C2000 06 05.26738 13 28 23.76 -15 42 32.8 651
K00L02E C2000 06 05.26928 13 28 23.29 -15 42 21.9 651
K00L02E C2000 06 05.27076 13 28 23.05 -15 42 12.4 19.3 V 651
K00L02E C2000 06 05.29634 13 28 19.74 -15 39 35.5 19.7 608
K00L02E C2000 06 05.30635 13 28 17.53 -15 38 37.1 19.1 608
K00L02E C2000 06 05.31638 13 28 15.32 -15 37 37.3 19.9 608
K00L02E C2000 06 05.32407 13 28 13.68 -15 36 52.4 19.7 608
K00L02E C2000 06 05.33419 13 28 11.40 -15 35 51.7 19.8 608
K00L02E C2000 06 05.34433 13 28 09.15 -15 34 52.1 21.1 608
Observer details:
608 Haleakala-NEAT/MSSS. Observers E. F. Helin, S. Pravdo, K. Lawrence,
P. Kervin, D. Talent, R. Maeda, P. Tanner. 1.2-m reflector + CCD.
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. 0.62-m f/5.1
reflector + CCD.
673 Table Mountain Observatory, Wrightwood. Observer M. Hicks. 0.6-m
reflector + CCD.
Orbital elements:
1999 LS7 = 2000 LE2
Id. G. V. Williams, A. Galad
Epoch 2000 Sept. 13.0 TT = JDT 2451800.5 Williams
M 0.80897 (2000.0) P Q
n 0.97132076 Peri. 123.73462 +0.93956256 -0.26606136
a 1.0097819 Node 252.51106 +0.18786368 +0.92679721
e 0.3008340 Incl. 13.05745 +0.28623316 +0.26506279
P 1.01 H 20.7 G 0.15 U 4
Residuals in seconds of arc
990608 704 0.1- 0.6+ 990611 704 0.3- 1.4- 990614 611 0.5- 1.1+
990608 704 0.6+ 0.7+ 990611 704 0.4- 1.1- 990614 611 0.4+ 0.5+
990608 704 0.5+ 0.0 990611 704 0.5- 1.2- 990615 704 0.2+ 0.3-
990608 704 1.1+ 0.3+ 990611 611 0.3+ 0.5- 990615 704 0.3+ 0.3-
990608 704 0.4+ 0.9+ 990611 611 (2.6- 0.8+) 990615 704 0.5+ 0.5-
990609 704 0.2+ 0.2- 990611 611 0.4- 1.2+ 990615 704 0.5+ 0.6-
990609 704 0.6+ 0.2- 990612 704 0.1+ 1.0- 990615 704 0.3+ 0.2-
990609 704 0.2+ 0.2- 990612 704 0.2- 0.6- 990615 704 0.1- 0.6-
990609 704 0.5+ 0.2- 990612 704 0.2+ 0.8- 990615 670 0.4+ 0.1-
990609 704 0.5+ 0.1+ 990612 704 0.2- 0.4- 990615 670 0.1- 0.2-
990610 704 0.1+ 0.1+ 990612 704 0.2- 0.1+ 990615 704 0.5+ 0.4-
990610 704 0.1+ 0.3- 990612 557 0.3+ 0.1+ 990615 704 0.2+ 0.2-
990610 704 0.0 0.0 990612 557 0.2+ 0.1+ 990615 670 0.5+ 0.3-
990610 704 0.3+ 0.0 990612 557 0.4+ 0.2+ 990615 704 0.6+ 0.7-
990610 704 0.0 0.5- 990613 426 0.2+ 0.4+ 990615 704 0.5+ 0.5-
990610 704 0.2- 0.4- 990613 426 0.4+ 0.8+ 990615 428 1.1- 0.9+
990610 704 0.3- 0.3- 990613 426 0.1+ 0.2+ 990615 426 0.3+ 0.4+
990610 704 0.3- 0.1- 990614 704 0.3+ 0.0 990615 426 0.1+ 0.7+
990610 704 0.0 0.2- 990614 704 0.5+ 0.4- 990615 426 0.8- 0.5+
990610 704 0.3+ 0.2- 990614 704 0.2+ 0.3- 990615 426 0.3- 0.3+
990610 704 0.2- 0.1- 990614 704 0.2+ 0.1- 000604 608 1.2- 0.1+
990610 704 0.1- 0.3- 990614 704 0.1+ 0.0 000604 608 1.2- 0.2+
990610 704 0.0 0.1- 990614 704 0.3- 0.2- 000604 608 1.0- 0.2-
990610 704 0.0 0.3- 990614 704 0.5- 0.1- 000605 673 1.3+ 1.7+
990610 046 0.2+ 1.8+ 990614 704 0.1+ 0.2- 000605 673 2.6+ 0.4+
990610 046 1.1- 1.3+ 990614 704 0.1+ 0.2- 000605 673 2.7+ 0.2-
990610 046 1.0- 0.0 990614 704 0.2+ 0.3- 000605 651 1.1+ 1.6-
990610 046 0.1+ 0.5+ 990614 426 0.0 1.2+ 000605 651 0.2+ 1.9-
990610 046 0.4- 1.1+ 990614 426 0.2+ 0.1- 000605 651 1.3+ 1.2-
990610 046 0.5- 0.5- 990614 426 0.1+ 0.2+ 000605 608 1.1- 0.3+
990610 557 0.3- 0.6+ 990614 426 0.1- 0.7+ 000605 608 1.1- 0.2-
990610 557 1.0- 0.9+ 990614 402 0.5- 0.0 000605 608 1.0- 0.6+
990610 557 0.5- 0.9+ 990614 402 0.3- 0.0 000605 608 0.2- 0.1+
990611 704 0.9- 1.4- 990614 402 0.8- 0.5+ 000605 608 1.0- 1.1+
990611 704 0.2- 0.9- 990614 402 0.6- 0.5+ 000605 608 1.3- 0.9+
Ephemeris:
1999 LS7 a,e,i = 1.01, 0.30, 13 q = 0.7060
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2000 05 26 14 08.15 -31 12.2 0.172 1.165 150.5 25.4 18.4
2000 05 31 13 47.44 -24 04.3 0.162 1.146 142.0 33.0 18.4
2000 06 05 13 29.32 -16 08.1 0.157 1.125 131.7 42.4 18.6
2000 06 10 13 14.08 -07 58.2 0.156 1.103 120.7 52.3 18.8
2000 06 15 13 01.46 -00 04.4 0.159 1.080 109.9 62.2 19.1
2000 06 20 12 50.92 +07 15.3 0.164 1.056 99.6 71.5 19.4
2000 06 25 12 41.78 +13 54.5 0.172 1.031 90.2 80.2 19.7
2000 06 30 12 33.37 +19 54.4 0.180 1.006 81.5 88.3 20.1
2000 07 05 12 24.95 +25 19.8 0.190 0.980 73.5 95.8 20.5
2000 07 10 12 15.67 +30 16.2 0.200 0.953 66.0 102.9 20.9
2000 07 15 12 04.61 +34 46.3 0.210 0.926 59.1 109.7 21.3
Gareth V. Williams (C) Copyright 2000 MPC M.P.E.C. 2000-L20
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