MPEC 1999-M04: 1999 LN28
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M.P.E.C. 1999-M04 Issued 1999 June 17, 15:59 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 LN28
Observations:
J99L28N* C1999 06 12.35183 18 32 09.49 +02 16 50.5 17.6 704
J99L28N C1999 06 12.36388 18 32 10.84 +02 16 45.0 17.8 704
J99L28N C1999 06 12.37593 18 32 12.26 +02 16 39.6 17.8 704
J99L28N C1999 06 12.38799 18 32 13.63 +02 16 34.0 17.4 704
J99L28N C1999 06 12.40004 18 32 15.03 +02 16 28.1 17.4 704
J99L28N C1999 06 14.29153 18 36 23.79 +01 59 40.4 17.3 704
J99L28N C1999 06 14.30368 18 36 25.27 +01 59 32.8 17.6 704
J99L28N C1999 06 14.31571 18 36 26.73 +01 59 25.5 17.8 704
J99L28N C1999 06 14.32776 18 36 28.19 +01 59 18.6 17.9 704
J99L28N C1999 06 14.33980 18 36 29.66 +01 59 11.6 18.0 704
J99L28N C1999 06 14.97725 18 37 56.30 +01 52 25.8 18.2 120
J99L28N C1999 06 14.97954 18 37 56.62 +01 52 24.5 120
J99L28N C1999 06 14.98170 18 37 56.87 +01 52 23.1 120
J99L28N C1999 06 14.99502 18 37 58.86 +01 52 17.4 16.6 R 620
J99L28N C1999 06 15.00561 18 38 00.04 +01 52 05.6 611
J99L28N C1999 06 15.00625 18 38 00.32 +01 52 09.9 620
J99L28N C1999 06 15.00839 18 38 00.37 +01 52 04.2 611
J99L28N C1999 06 15.01049 18 38 00.67 +01 52 02.5 611
J99L28N C1999 06 15.01226 18 38 01.08 +01 52 06.1 620
J99L28N C1999 06 15.04289 18 38 04.48 +01 51 41.6 17.4 R 118
J99L28N C1999 06 15.04567 18 38 04.85 +01 51 39.7 118
J99L28N C1999 06 15.04947 18 38 05.33 +01 51 37.3 118
J99L28N C1999 06 15.28943 18 38 39.46 +01 49 05.2 17.4 704
J99L28N C1999 06 15.30159 18 38 41.01 +01 48 57.2 17.7 704
J99L28N C1999 06 15.31376 18 38 42.53 +01 48 49.1 17.6 704
J99L28N C1999 06 15.32592 18 38 44.05 +01 48 40.5 17.9 704
J99L28N C1999 06 15.33811 18 38 45.59 +01 48 32.4 17.9 704
J99L28N C1999 06 15.41646 18 38 55.45 +01 47 40.8 16.8 696
J99L28N C1999 06 15.45319 18 39 00.10 +01 47 15.7 696
J99L28N C1999 06 15.91078 18 40 06.27 +01 41 45.1 18.0 120
J99L28N IC1999 06 15.91277 18 40 06.61 +01 41 40.9 120
J99L28N C1999 06 15.94362 18 40 10.94 +01 41 23.9 620
J99L28N C1999 06 15.94755 18 40 11.27 +01 41 20.9 620
J99L28N C1999 06 15.95344 18 40 12.05 +01 41 17.0 620
J99L28N C1999 06 15.96174 18 40 13.27 +01 41 10.9 620
J99L28N C1999 06 16.94692 18 42 33.37 +01 28 34.1 16.9 R 118
J99L28N C1999 06 16.95443 18 42 34.31 +01 28 27.7 118
J99L28N C1999 06 16.95829 18 42 34.76 +01 28 24.6 118
J99L28N C1999 06 16.95987 18 42 35.27 +01 28 25.0 17.5 V 104
J99L28N C1999 06 16.96307 18 42 35.68 +01 28 23.1 104
J99L28N C1999 06 16.96516 18 42 35.94 +01 28 21.5 104
J99L28N C1999 06 16.99270 18 42 39.85 +01 28 01.1 620
J99L28N C1999 06 16.99699 18 42 40.43 +01 27 57.9 16.9 R 620
J99L28N C1999 06 17.00266 18 42 41.20 +01 27 53.3 620
J99L28N C1999 06 17.56821 18 44 04.66 +01 20 50.5 16.4 R 426
J99L28N C1999 06 17.57074 18 44 05.04 +01 20 48.3 16.6 R 426
J99L28N C1999 06 17.57319 18 44 05.36 +01 20 46.3 16.6 R 426
Observer details:
104 San Marcello Pistoiese. Observers L. Tesi, A. Boattini, M. Tombelli.
Measurers G. Forti, L. Tesi, A. Boattini, M. Tombelli. 0.40-m f/5
reflector + CCD.
118 Modra. Observers L. Kornos, J. Toth. 0.6-m f/5.5 reflector + CCD.
120 Visnjan. Observers K. Korlevic, V. Jelic. Measurer K. Korlevic. 0.41-m
f/4.3 reflector + CCD.
426 Woomera. Observer F. B. Zoltowski. 0.30-m f/3.3 Schmidt-Cassegrain + CCD.
611 Starkenburg. Observers R. Stoss. 0.45-m f/4.4 reflector + CCD.
620 Observatorio Astronomico de Mallorca. Observers A. Lopez, R. Pacheco,
A. Garcia, J. Rodriguez. Measurers A. Lopez, R. Pacheco, J. Rodriguez,
S. Sanchez. 0.30-m f/3.3 Schmidt-Cassegrain + CCD, 0.36-m f/6.0
Schmidt-Cassegrain + CCD.
696 Whipple Observatory, Mt. Hopkins. Observer O. Naranjo. 1.2-m reflector
+ CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, M. Elowitz. Measurers J. Stuart, H. Viggh, R. Sayer. 1.0-m
f/2.15 reflector + CCD.
Orbital elements:
1999 LN28
Epoch 1999 June 11.0 TT = JDT 2451340.5 Williams
M 346.32419 (2000.0) P Q
n 0.31940343 Peri. 186.52539 +0.53254109 +0.83426973
a 2.1195467 Node 115.73960 -0.76921799 +0.54743250
e 0.4606292 Incl. 9.12206 -0.35313407 +0.06566342
P 3.09 H 18.8 G 0.15
From 47 observations 1999 June 12-17.
Ephemeris:
1999 LN28 a,e,i = 2.12, 0.46, 9 q = 1.1432
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 06 11 18 29.33 +02 26.6 0.246 1.233 148.7 25.3 17.4
1999 06 16 18 40.29 +01 41.1 0.222 1.214 150.5 24.3 17.1
1999 06 21 18 52.93 +00 23.0 0.200 1.197 152.5 23.0 16.8
1999 06 26 19 07.74 -01 34.7 0.180 1.182 155.0 21.3 16.5
1999 07 01 19 25.20 -04 18.4 0.164 1.170 158.0 19.0 16.2
1999 07 06 19 45.70 -07 51.7 0.150 1.160 161.3 16.3 15.9
1999 07 11 20 09.41 -12 12.0 0.140 1.152 164.4 13.7 15.6
1999 07 16 20 36.13 -17 05.6 0.133 1.146 166.0 12.4 15.5
1999 07 21 21 05.14 -22 07.1 0.132 1.144 164.7 13.6 15.5
1999 07 26 21 35.04 -26 46.6 0.134 1.144 161.2 16.6 15.6
1999 07 31 22 04.02 -30 40.9 0.140 1.146 157.2 20.1 15.8
1999 08 05 22 30.40 -33 40.7 0.150 1.151 153.6 23.1 16.1
1999 08 10 22 53.00 -35 47.7 0.163 1.158 150.8 25.3 16.3
1999 08 15 23 11.43 -37 09.4 0.177 1.168 148.9 26.6 16.6
1999 08 20 23 25.83 -37 54.6 0.194 1.181 147.7 27.3 16.8
1999 08 25 23 36.67 -38 10.9 0.213 1.195 147.1 27.4 17.1
1999 08 30 23 44.51 -38 04.5 0.233 1.212 146.9 27.1 17.3
1999 09 04 23 49.92 -37 39.5 0.255 1.230 146.9 26.6 17.5
1999 09 09 23 53.49 -36 58.8 0.279 1.250 146.9 26.1 17.7
1999 09 14 23 55.77 -36 04.3 0.305 1.272 146.9 25.6 17.9
1999 09 19 23 57.26 -34 57.9 0.333 1.295 146.6 25.3 18.1
1999 09 24 23 58.32 -33 41.9 0.363 1.320 146.1 25.1 18.4
1999 09 29 23 59.24 -32 18.0 0.395 1.345 145.2 25.1 18.6
1999 10 04 00 00.22 -30 47.9 0.430 1.372 144.0 25.4 18.8
1999 10 09 00 01.42 -29 13.2 0.468 1.400 142.4 25.8 19.1
1999 10 14 00 02.97 -27 35.0 0.509 1.428 140.5 26.4 19.3
1999 10 19 00 04.94 -25 54.6 0.553 1.457 138.4 27.0 19.5
1999 10 24 00 07.37 -24 13.3 0.600 1.486 136.0 27.7 19.8
1999 10 29 00 10.24 -22 31.9 0.649 1.516 133.5 28.4 20.0
1999 11 03 00 13.55 -20 51.1 0.702 1.546 130.9 29.0 20.2
1999 11 08 00 17.28 -19 11.3 0.758 1.576 128.2 29.6 20.5
1999 11 13 00 21.42 -17 32.9 0.816 1.606 125.4 30.2 20.7
1999 11 18 00 25.95 -15 56.2 0.878 1.637 122.5 30.6 20.9
1999 11 23 00 30.83 -14 21.3 0.942 1.668 119.6 31.0 21.1
1999 11 28 00 36.03 -12 48.6 1.008 1.698 116.7 31.3 21.3
1999 12 03 00 41.51 -11 18.0 1.077 1.729 113.8 31.4 21.5
1999 12 08 00 47.26 -09 49.5 1.149 1.760 110.8 31.5 21.7
1999 12 13 00 53.27 -08 23.1 1.222 1.790 107.9 31.6 21.8
1999 12 18 00 59.50 -06 58.8 1.298 1.820 105.0 31.5 22.0
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-M04
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