MPEC 1999-N13 : 1999 LT7
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M.P.E.C. 1999-N13 Issued 1999 July 8, 20:50 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.
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
1999 LT7
Revision to MPEC 1999-L38
Observations:
J99L07T 5 1987 04 21.32500 15 32 14.33 +27 38 55.6 675
J99L07T 5 1987 04 21.36667 15 31 48.40 +27 38 00.6 675
J99L07T C1999 07 07.36852 13 53 47.51 -19 08 06.8 19.5 R 428
J99L07T C1999 07 07.37844 13 53 44.97 -19 08 03.1 19.4 R 428
J99L07T C1999 07 07.38785 13 53 42.47 -19 07 58.0 19.4 R 428
Observer details:
428 Reedy Creek. Observer J. Broughton. 0.25-m f/6.3 Schmidt-Cassegrain
+ CCD.
675 Palomar Mountain. Measurer A. Gnadig. 1.2-m Oschin Schmidt.
Orbital elements:
1999 LT7
Id. G. Hahn (1987 observations)
Epoch 1999 Aug. 10.0 TT = JDT 2451400.5 Williams
M 303.07266 (2000.0) P Q
n 1.24670030 Peri. 341.18954 +0.47776686 -0.86465811
a 0.8549906 Node 80.01150 +0.82486507 +0.38074252
e 0.5725437 Incl. 9.07040 +0.30221920 +0.32772167
P 0.79 H 19.7 G 0.15 U 5
Residuals in seconds of arc
870421 675 1.7- 0.8- 990612 557 0.1+ 0.8+ 990615 704 0.3+ 0.2-
870421 675 1.7+ 0.8+ 990612 557 0.6- 0.4+ 990615 704 0.7+ 0.4-
990609 704 1.1+ 0.4+ 990612 557 0.6- 1.4+ 990615 704 0.2+ 0.6-
990609 704 0.6+ 0.2+ 990613 426 0.2+ 0.4- 990615 704 0.3+ 0.2-
990609 704 0.3- 0.1+ 990613 426 0.0 0.4- 990615 704 0.2+ 0.4-
990609 704 0.4- 1.1- 990613 426 0.5+ 0.5- 990615 704 0.6+ 0.0
990610 704 0.7- 0.3+ 990614 704 0.1- 0.4- 990615 704 0.6+ 0.4-
990610 704 0.6- 0.4+ 990614 704 0.2- 0.4+ 990615 704 0.0 0.5-
990610 860 1.2- 1.0- 990614 704 0.1+ 0.0 990615 426 0.4- 0.5-
990610 860 1.3- 1.0- 990614 704 0.7- 0.3+ 990615 426 0.3- 0.3-
990610 704 0.4- 0.3+ 990614 704 0.2+ 0.5+ 990615 426 0.4+ 0.1-
990610 704 0.6- 0.1+ 990614 704 1.1+ 0.7- 990617 428 0.4+ 0.2+
990610 860 1.4- 0.3- 990614 704 0.1+ 0.3+ 990617 428 0.2- 0.2-
990610 704 0.1- 0.4+ 990614 704 0.3- 0.1+ 990617 428 1.3+ 0.1-
990610 704 0.4- 0.3+ 990614 704 0.4+ 1.7+ 990618 428 0.8+ 0.5-
990610 704 0.5- 0.7+ 990614 402 0.1+ 0.4- 990618 428 1.4+ 0.4-
990610 704 0.5- 0.6+ 990614 402 0.6- 0.3- 990618 428 1.1+ 0.2-
990610 704 0.2- 0.2+ 990614 402 0.0 0.5- 990618 428 0.3+ 0.3-
990610 704 0.8- 0.5+ 990614 402 0.1+ 0.0 990619 428 0.5+ 0.9-
990610 428 0.4- 0.4+ 990614 120 1.2+ 0.5+ 990619 428 0.7+ 0.4-
990610 428 1.0+ 0.5+ 990614 120 1.3- 1.1- 990620 428 1.4- 0.3-
990610 428 0.1- 0.5+ 990614 120 1.2- 0.2+ 990620 428 0.7- 1.0-
990610 046 0.5+ 0.5- 990615 704 0.3+ 0.8- 990620 428 1.3- 0.5-
990610 046 0.4- 0.0 990615 704 0.3- 0.3- 990620 428 1.5- 0.8-
990610 046 0.2+ 1.1+ 990615 704 0.6+ 0.3- 990701 428 0.1- 0.1+
990611 428 0.2+ 1.4+ 990615 704 0.3+ 0.1+ 990701 428 1.2+ 0.3+
990611 360 0.3+ 0.7+ 990615 704 1.0+ 0.2- 990707 428 1.0- 0.8+
990611 360 0.3+ 0.7+ 990615 704 0.6+ 0.2+ 990707 428 0.1+ 0.2+
990611 360 0.3+ 0.5+ 990615 704 0.3+ 0.4- 990707 428 0.1- 1.2+
Ephemeris:
1999 LT7 a,e,i = 0.85, 0.57, 9 q = 0.3655
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 07 01 14 24.08 -19 54.4 0.269 1.179 121.3 47.5 19.0
1999 07 06 13 59.71 -19 18.1 0.283 1.148 110.9 55.8 19.3
1999 07 11 13 39.54 -18 42.9 0.299 1.115 101.5 63.3 19.6
1999 07 16 13 22.83 -18 11.2 0.316 1.079 92.8 70.2 19.8
1999 07 21 13 08.67 -17 42.9 0.332 1.040 84.8 76.6 20.1
1999 07 26 12 56.13 -17 15.8 0.347 0.998 77.2 83.0 20.3
1999 07 31 12 44.39 -16 46.5 0.360 0.953 69.8 89.4 20.5
1999 08 05 12 32.67 -16 10.5 0.372 0.904 62.4 96.3 20.8
1999 08 10 12 20.31 -15 22.2 0.382 0.853 54.8 103.7 21.1
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-N13
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