MPEC 1999-T05: 1999 SL5
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M.P.E.C. 1999-T05 Issued 1999 Oct. 2, 16:17 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 SL5
Observations:
J99S05L* C1999 09 28.19568 20 34 21.08 +55 07 41.3 17.4 704
J99S05L C1999 09 28.20987 20 34 26.51 +55 07 03.8 18.1 704
J99S05L C1999 09 28.22379 20 34 31.80 +55 06 26.7 18.3 704
J99S05L C1999 09 28.23774 20 34 37.13 +55 05 48.6 18.1 704
J99S05L C1999 09 28.25155 20 34 42.32 +55 05 12.3 18.4 704
J99S05L C1999 09 29.18286 20 40 41.37 +54 23 34.8 17.7 704
J99S05L C1999 09 29.19790 20 40 46.84 +54 22 54.1 18.1 704
J99S05L C1999 09 29.21307 20 40 52.49 +54 22 12.3 18.2 704
J99S05L C1999 09 29.22817 20 40 57.96 +54 21 30.5 17.7 704
J99S05L C1999 09 29.24341 20 41 03.71 +54 20 48.5 18.2 704
J99S05L C1999 09 29.25407 20 41 08.12 +54 20 17.4 17.6 R 848
J99S05L C1999 09 29.25474 20 41 08.39 +54 20 15.6 17.7 R 848
J99S05L C1999 09 29.25542 20 41 08.65 +54 20 13.6 17.5 R 848
J99S05L C1999 09 29.25609 20 41 08.85 +54 20 11.7 17.5 R 848
J99S05L C1999 09 29.25678 20 41 09.15 +54 20 09.9 17.6 R 848
J99S05L C1999 09 29.25745 20 41 09.40 +54 20 08.3 17.7 R 848
J99S05L C1999 09 29.25813 20 41 09.65 +54 20 06.1 17.7 R 848
J99S05L C1999 09 29.47214 20 42 30.77 +54 10 26.5 17.6 V 402
J99S05L C1999 09 29.47341 20 42 31.26 +54 10 23.0 402
J99S05L C1999 09 29.47468 20 42 31.73 +54 10 19.5 402
J99S05L C1999 09 29.47594 20 42 32.17 +54 10 16.0 402
J99S05L C1999 09 29.86366 20 44 56.06 +53 52 27.4 595
J99S05L C1999 09 29.87179 20 44 58.91 +53 52 05.2 17.7 V 595
J99S05L C1999 09 29.87733 20 45 01.00 +53 51 48.4 595
J99S05L C1999 09 30.10210 20 46 24.87 +53 41 32.5 18.1 704
J99S05L C1999 09 30.10906 20 46 26.97 +53 41 11.8 17.9 V 734
J99S05L C1999 09 30.11300 20 46 28.35 +53 41 00.9 17.9 V 734
J99S05L C1999 09 30.11497 20 46 29.04 +53 40 55.7 18.2 V 734
J99S05L C1999 09 30.11697 20 46 30.15 +53 40 51.2 18.1 704
J99S05L IC1999 09 30.11700 20 46 29.75 +53 40 49.9 18.0 V 734
J99S05L C1999 09 30.13168 20 46 35.33 +53 40 10.7 17.9 704
J99S05L C1999 09 30.14636 20 46 40.51 +53 39 31.0 18.6 704
J99S05L C1999 09 30.16092 20 46 45.70 +53 38 49.7 18.2 704
J99S05L C1999 09 30.17275 20 46 50.08 +53 38 13.4 719
J99S05L C1999 09 30.17678 20 46 51.35 +53 38 06.7 719
J99S05L C1999 09 30.19421 20 46 57.44 +53 37 16.4 17.9 704
J99S05L C1999 09 30.20890 20 47 02.69 +53 36 34.9 18.4 704
J99S05L C1999 09 30.22356 20 47 07.91 +53 35 53.8 18.1 704
J99S05L C1999 09 30.23720 20 47 12.80 +53 35 14.8 18.1 704
J99S05L C1999 09 30.23829 20 47 13.07 +53 35 12.1 18.4 704
J99S05L C1999 09 30.25297 20 47 18.34 +53 34 30.8 18.5 704
J99S05L C1999 09 30.25313 20 47 18.40 +53 34 30.4 18.5 704
J99S05L C1999 09 30.26684 20 47 23.33 +53 33 51.2 18.4 704
J99S05L C1999 09 30.28021 20 47 28.11 +53 33 13.3 18.4 704
J99S05L C1999 09 30.29357 20 47 32.87 +53 32 35.1 18.3 704
J99S05L C1999 09 30.78094 20 50 30.66 +53 09 51.4 118
J99S05L C1999 09 30.78642 20 50 32.53 +53 09 36.1 118
J99S05L C1999 09 30.78816 20 50 33.18 +53 09 31.5 17.4 R 118
J99S05L C1999 10 01.47545 20 54 35.99 +52 37 09.7 17.8 V 402
J99S05L C1999 10 01.47671 20 54 36.43 +52 37 06.2 402
J99S05L C1999 10 01.47797 20 54 36.84 +52 37 02.7 402
J99S05L C1999 10 01.47924 20 54 37.27 +52 36 59.1 402
J99S05L C1999 10 01.73834 20 56 08.15 +52 24 33.2 557
J99S05L C1999 10 01.73975 20 56 08.60 +52 24 29.2 17.4 V 557
J99S05L C1999 10 01.75729 20 56 14.53 +52 23 40.8 18.0 R 118
J99S05L C1999 10 01.76044 20 56 15.59 +52 23 31.6 118
J99S05L C1999 10 01.76358 20 56 16.61 +52 23 21.8 118
J99S05L C1999 10 01.79288 20 56 26.56 +52 21 58.2 17.8 R 046
J99S05L C1999 10 01.79428 20 56 27.06 +52 21 54.5 046
J99S05L C1999 10 01.79537 20 56 27.39 +52 21 51.2 046
J99S05L C1999 10 01.79659 20 56 27.80 +52 21 47.4 046
J99S05L C1999 10 01.85071 20 56 46.05 +52 19 13.5 595
J99S05L C1999 10 01.85500 20 56 47.48 +52 19 01.0 18.1 V 595
J99S05L C1999 10 01.85811 20 56 48.55 +52 18 52.3 595
J99S05L C1999 10 01.86177 20 56 49.80 +52 18 41.4 595
J99S05L C1999 10 01.89722 20 57 01.84 +52 17 01.5 17.3 R 620
J99S05L C1999 10 01.90289 20 57 03.76 +52 16 45.4 17.3 R 620
J99S05L C1999 10 01.90879 20 57 05.76 +52 16 27.7 17.5 R 620
J99S05L C1999 10 01.91736 20 57 08.61 +52 16 02.5 17.5 R 620
J99S05L C1999 10 02.21779 20 58 51.85 +52 01 41.0 670
J99S05L C1999 10 02.23972 20 58 59.07 +52 00 38.3 670
Observer details:
046 Klet. Observers J. Ticha, M. Tichy. 0.57-m f/5.2 reflector + CCD.
118 Modra. Observers A. Galad, J. Toth. 0.6-m f/5.5 reflector + CCD.
402 Dynic Astronomical Observatory. Observer A. Sugie. 0.60-m f/3.7 reflector
+ CCD.
557 Ondrejov. Observer P. Pravec. 0.65-m f/3.6 reflector + CCD.
595 Farra d'Isonzo. Observers E. Pettarin, G. Lombardi, M. Spolaor, F. Piani,
A. Toso. 0.40-m f/4.5 reflector + CCD
620 Observatorio Astronomico de Mallorca. Observers A. Lopez, R. Pacheco.
0.30-m f/3.3 Schmidt-Cassegrain + CCD.
670 Camarillo. Observer J. E. Rogers. 0.30-m f/6.7 Helin Telescope + 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.
719 Etscorn Observatory. Observer D. A. Klinglesmith III. 0.355-m
Schmidt-Cassegrain + CCD.
734 Farpoint Observatory. Observers G. Hug. 0.30-m Schmidt-Cassegrain + CCD.
848 Tenagra Observatory, Cottage Grove. Observer M. Schwartz. Measurer
P. R. Holvorcem. 0.36-m f/11 Schmidt-Cassegrain + CCD.
Orbital elements:
1999 SL5 PHA 0.026A
Epoch 1999 Sept. 19.0 TT = JDT 2451440.5 Williams
M 22.55683 (2000.0) P Q
n 0.38571117 Peri. 42.17848 +0.16587052 +0.92952576
a 1.8690801 Node 239.92035 -0.97551780 +0.10575765
e 0.5253611 Incl. 22.37097 -0.14440220 +0.35326645
P 2.56 H 17.3 G 0.15
From 70 observations 1999 Sept. 28-Oct. 2.
Ephemeris:
1999 SL5 a,e,i = 1.87, 0.53, 22 q = 0.8871
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 09 29 20 39.54 +54 31.8 0.434 1.227 111.3 49.5 17.8
1999 10 04 21 08.68 +50 34.8 0.450 1.266 116.2 45.1 17.8
1999 10 09 21 33.28 +46 23.2 0.472 1.304 120.7 41.2 17.9
1999 10 14 21 54.25 +42 09.2 0.499 1.343 124.3 37.9 18.0
1999 10 19 22 12.42 +38 02.7 0.531 1.382 126.9 35.2 18.1
1999 10 24 22 28.41 +34 11.2 0.569 1.421 128.5 33.2 18.2
1999 10 29 22 42.70 +30 39.2 0.613 1.459 129.1 31.9 18.4
1999 11 03 22 55.68 +27 29.1 0.662 1.498 128.7 31.1 18.6
1999 11 08 23 07.66 +24 41.6 0.716 1.536 127.5 30.8 18.8
1999 11 13 23 18.87 +22 16.4 0.776 1.573 125.6 30.7 19.1
1999 11 18 23 29.46 +20 12.1 0.839 1.611 123.3 30.8 19.3
1999 11 23 23 39.58 +18 27.1 0.907 1.647 120.7 31.0 19.5
1999 11 28 23 49.30 +16 59.2 0.979 1.684 117.9 31.2 19.7
1999 12 03 23 58.71 +15 46.7 1.054 1.719 114.9 31.3 19.9
1999 12 08 00 07.87 +14 47.6 1.132 1.755 111.8 31.4 20.1
1999 12 18 00 25.69 +13 23.6 1.296 1.823 105.4 31.4 20.5
1999 12 28 00 42.99 +12 35.5 1.468 1.890 99.0 30.9 20.8
2000 01 07 00 59.96 +12 14.2 1.646 1.954 92.5 30.2 21.1
2000 01 17 01 16.76 +12 12.8 1.827 2.016 86.2 29.1 21.4
2000 01 27 01 33.43 +12 25.7 2.009 2.075 79.8 27.8 21.6
2000 02 06 01 50.04 +12 48.6 2.189 2.132 73.6 26.3 21.8
2000 02 16 02 06.63 +13 18.2 2.366 2.187 67.4 24.7 22.0
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-T05
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