MPEC 1999-O11: 1999 LO28
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M.P.E.C. 1999-O11 Issued 1999 July 18, 18:01 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.
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
1999 LO28
Revision to MPEC 1999-M03
Observations:
J99L28O 5 1954 12 30.26667 05 08 55.55 +37 49 35.1 675
J99L28O 5 1954 12 30.29792 05 08 51.23 +37 48 47.2 675
J99L28O C1999 07 17.14005 19 39 37.31 +05 06 28.9 16.3 V 726
J99L28O C1999 07 17.14352 19 39 36.77 +05 06 35.6 16.6 V 726
J99L28O C1999 07 17.14699 19 39 36.20 +05 06 39.7 16.9 V 726
J99L28O C1999 07 17.15393 19 39 35.23 +05 06 50.4 16.2 V 726
J99L28O C1999 07 17.93931 19 37 40.10 +05 25 07.3 108
J99L28O C1999 07 17.94096 19 37 39.89 +05 25 08.0 108
J99L28O C1999 07 17.94369 19 37 39.51 +05 25 13.7 16.8 V 108
J99L28O C1999 07 18.21606 19 36 59.48 +05 31 38.4 16.7 V 859
J99L28O C1999 07 18.22213 19 36 58.55 +05 31 46.6 16.5 V 859
J99L28O C1999 07 18.22575 19 36 58.00 +05 31 51.5 16.4 V 859
Observer details:
108 Montelupo. Observers M. Tombelli, A. Boattini, L. Tesi, D. Guidetti,
G. Forti, E. Masotti. Measurers M. Tombelli, A. Boattini, L. Tesi,
S. Bartolini, G. Forti. 0.30-m f/5.7 Schmidt-Cassegrain + CCD.
675 Palomar Mountain. Trail located and measured by A. Doppler, A. Gnadig and
G. Hahn. 1.2-m Schmidt.
726 Brainerd. Observer J. Wentworth. 0.28-m Schmidt-Cassegrain + CCD.
859 Serra da Piedade. Observers C. Jacques, J. Amancio. 0.3-m f/3.3
Schmidt-Cassegrain + CCD.
Orbital elements:
1999 LO28
Epoch 1999 Aug. 10.0 TT = JDT 2451400.5 Williams
M 56.84406 (2000.0) P Q
n 0.38339577 Peri. 283.56010 -0.75203233 +0.36449289
a 1.8765977 Node 280.25370 -0.12761681 -0.89793791
e 0.4126493 Incl. 33.92363 -0.64665395 -0.24668288
P 2.57 H 15.7 G 0.15 U 3
Residuals in seconds of arc
541230 675 0.4+ 0.1- 990623 610 0.5+ 0.3- 990711 726 0.2+ 0.2-
541230 675 0.5- 0.1- 990623 620 0.1+ 0.7- 990712 828 0.0 1.6-
990613 703 0.5- 0.4+ 990623 610 0.5+ 0.2- 990712 704 0.2- 0.4-
990613 703 0.1- 0.4- 990623 610 0.5+ 0.0 990712 704 0.3- 0.6-
990613 703 0.4- 0.0 990623 610 0.7+ 0.0 990712 704 0.3- 0.3-
990613 703 0.4- 0.1+ 990625 118 0.0 0.1- 990712 704 0.3- 0.7-
990613 703 0.4- 0.2+ 990625 118 0.2+ 0.3+ 990712 704 0.2- 0.9-
990613 703 0.7- 0.8+ 990626 610 1.3+ 0.3+ 990712 108 0.0 0.4-
990613 703 0.5- 0.6- 990626 610 0.8+ 0.4+ 990712 108 0.9+ 0.4-
990613 703 1.7- 1.5+ 990627 610 0.6+ 0.4+ 990712 108 0.9+ 0.4-
990614 703 0.4- 1.6+ 990627 610 0.4+ 0.5+ 990712 610 0.7+ 1.5-
990614 703 0.6- 0.4+ 990627 610 0.1+ 0.6+ 990712 610 0.4+ 1.4-
990614 703 (0.5- 2.8+) 990702 151 0.1- 0.3+ 990712 610 0.2+ 1.2-
990614 703 0.3+ 1.6+ 990702 151 0.3+ 0.0 990712 610 0.1- 1.1-
990614 428 0.6+ 0.1+ 990702 151 0.0 0.1- 990712 610 0.3- 0.9-
990614 428 0.6+ 0.1+ 990702 151 0.2- 0.0 990713 704 0.2+ 0.3+
990614 428 1.3+ 1.1- 990702 151 0.0 0.1- 990713 704 0.1+ 0.4+
990615 620 0.1- 0.1+ 990702 151 0.7- 0.1+ 990713 704 0.3+ 0.3+
990615 620 1.5+ 0.2+ 990702 610 0.4+ 0.3+ 990713 704 0.3+ 0.2+
990616 620 0.6+ 0.1- 990702 610 0.3+ 0.4+ 990713 704 0.5+ 0.4+
990616 620 0.3+ 0.0 990702 610 0.2+ 0.7+ 990714 143 1.1+ 0.7-
990616 426 0.2- 0.0 990702 610 0.2+ 0.9+ 990714 143 1.0+ 0.2-
990616 426 0.2- 0.1+ 990702 610 0.0 1.1+ 990714 143 1.3+ 0.4+
990616 426 0.1- 0.2- 990704 610 0.3- 0.0 990714 143 0.0 0.1+
990617 859 0.1+ 0.4- 990704 610 0.4- 0.0 990715 118 0.3+ 0.4+
990617 859 0.1- 0.2- 990704 610 0.4- 0.1+ 990715 118 0.8+ 0.4+
990617 859 0.2+ 0.2- 990704 610 0.5- 0.1+ 990715 610 0.7- 2.0+
990617 422 0.3- 0.3- 990704 610 0.4- 0.1+ 990715 610 0.4- 1.4+
990617 422 0.1- 0.3- 990705 108 0.1+ 0.3- 990715 610 0.1+ 1.0+
990617 422 0.3- 0.3- 990705 108 1.0- 0.1+ 990715 610 0.5+ 0.5+
990617 422 0.2- 0.3- 990705 108 1.3- 0.0 990715 610 0.8+ 1.0-
990617 426 0.2- 0.2- 990707 402 0.1+ 0.2+ 990716 151 0.2+ 0.0
990617 426 0.1- 0.4- 990707 402 0.0 0.3+ 990716 151 0.3- 0.4+
990617 426 0.3- 0.2- 990707 402 0.4- 0.6+ 990716 151 0.4+ 0.5+
990619 151 1.1+ 0.7- 990707 360 0.0 0.5+ 990716 151 0.1+ 0.3+
990619 151 0.8- 0.9- 990707 360 0.1- 0.3+ 990716 151 1.1- 0.5+
990619 151 1.0- 1.9- 990707 360 0.0 0.4+ 990716 151 0.1+ 0.2-
990619 151 0.2+ 0.7- 990707 610 0.2+ 0.4+ 990717 726 0.7- 1.6-
990619 151 (1.0+ 2.1-) 990707 610 0.0 0.3+ 990717 726 1.0- 0.1+
990619 151 0.3+ 0.7- 990707 610 0.0 0.2+ 990717 726 1.7- 0.7-
990620 046 0.3+ 0.0 990707 610 0.1- 0.2+ 990717 726 0.6- 0.1+
990620 046 0.2- 0.4+ 990707 610 0.2- 0.1+ 990717 108 0.2- 0.2+
990620 046 0.3- 0.4+ 990708 828 0.2+ 0.6+ 990717 108 0.3+ 1.4-
990620 046 0.1+ 0.1+ 990708 828 0.1+ 0.1+ 990717 108 0.7+ 0.6+
990620 046 0.0 0.0 990710 470 0.0 0.7+ 990718 859 0.3- 0.4+
990622 620 0.7- 0.2- 990710 470 0.1+ 0.8+ 990718 859 0.7- 0.4+
990622 620 0.0 0.4- 990711 726 0.3- 0.4- 990718 859 0.9- 0.4+
990622 610 0.3+ 0.3- 990711 726 0.9- 0.7-
990623 620 0.2+ 0.2- 990711 726 0.1- 0.3-
Ephemeris:
1999 LO28 a,e,i = 1.88, 0.41, 34 q = 1.1022
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 07 11 19 55.60 +02 20.8 0.598 1.576 153.9 16.5 16.5
1999 07 21 19 30.54 +06 30.3 0.664 1.632 152.0 17.0 16.8
1999 07 31 19 11.26 +09 00.0 0.753 1.689 145.0 20.2 17.2
1999 08 10 18 58.38 +10 13.0 0.861 1.744 136.8 23.4 17.7
1999 08 20 18 51.48 +10 35.0 0.982 1.798 128.8 26.0 18.1
1999 08 30 18 49.64 +10 27.1 1.113 1.851 121.3 27.8 18.5
1999 09 09 18 51.84 +10 03.6 1.252 1.903 114.3 28.8 18.9
1999 09 19 18 57.29 +09 34.1 1.397 1.954 107.8 29.3 19.2
1999 09 29 19 05.31 +09 05.3 1.545 2.002 101.5 29.4 19.4
1999 10 09 19 15.33 +08 41.0 1.694 2.049 95.6 29.0 19.7
1999 10 19 19 26.98 +08 24.0 1.845 2.095 89.9 28.4 19.9
1999 10 29 19 39.90 +08 16.2 1.994 2.138 84.3 27.5 20.1
1999 11 08 19 53.83 +08 18.4 2.142 2.180 78.9 26.5 20.2
1999 11 18 20 08.56 +08 31.3 2.287 2.220 73.6 25.3 20.4
1999 11 28 20 23.90 +08 55.3 2.427 2.259 68.4 24.0 20.5
1999 12 08 20 39.73 +09 30.1 2.562 2.295 63.3 22.6 20.6
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-O11
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