MPEC 1999-R14: 1999 RU2
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M.P.E.C. 1999-R14 Issued 1999 Sept. 8, 16:20 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 RU2
Observations:
J99R02U* C1999 09 04.30640 23 24 18.30 +02 29 14.5 18.7 R 703
J99R02U C1999 09 04.31788 23 24 19.00 +02 29 08.9 19.0 R 703
J99R02U C1999 09 04.32939 23 24 19.87 +02 29 04.9 19.1 R 703
J99R02U C1999 09 04.34094 23 24 20.60 +02 29 00.2 19.0 R 703
J99R02U C1999 09 04.88094 23 25 01.62 +02 25 35.7 557
J99R02U C1999 09 04.88326 23 25 01.81 +02 25 35.0 557
J99R02U C1999 09 04.88559 23 25 01.97 +02 25 34.1 557
J99R02U C1999 09 04.88793 23 25 02.11 +02 25 33.0 19.0 V 557
J99R02U C1999 09 04.89193 23 25 02.43 +02 25 31.6 18.5 R 046
J99R02U C1999 09 04.90088 23 25 03.02 +02 25 29.1 046
J99R02U C1999 09 04.90299 23 25 03.16 +02 25 28.1 046
J99R02U C1999 09 04.90894 23 25 03.54 +02 25 25.5 046
J99R02U C1999 09 05.02513 23 25 12.75 +02 25 10.5 18.8 V 859
J99R02U C1999 09 05.03422 23 25 13.51 +02 25 06.5 18.3 V 859
J99R02U C1999 09 05.04234 23 25 14.07 +02 25 03.3 19.7 V 859
J99R02U C1999 09 05.87527 23 26 16.72 +02 19 09.1 557
J99R02U C1999 09 05.87725 23 26 16.90 +02 19 08.2 557
J99R02U C1999 09 05.87922 23 26 17.03 +02 19 06.4 557
J99R02U C1999 09 05.99375 23 26 24.98 +02 18 20.8 17.7 R 046
J99R02U C1999 09 05.99679 23 26 25.20 +02 18 19.8 046
J99R02U C1999 09 05.99823 23 26 25.31 +02 18 19.3 046
J99R02U C1999 09 05.99970 23 26 25.37 +02 18 18.5 046
J99R02U C1999 09 06.10110 23 26 34.66 +02 17 39.1 734
J99R02U C1999 09 06.10961 23 26 35.24 +02 17 37.7 734
J99R02U C1999 09 06.11780 23 26 35.67 +02 17 36.3 734
J99R02U 1C1999 09 06.24069 23 26 44.81 +02 16 38.9 658
J99R02U 1C1999 09 06.24336 23 26 44.99 +02 16 38.1 19.5 R 658
J99R02U 1C1999 09 06.24699 23 26 45.20 +02 16 37.3 658
J99R02U C1999 09 07.07498 23 27 48.94 +02 11 13.8 20.9 V 859
J99R02U C1999 09 07.08536 23 27 49.76 +02 11 10.5 19.3 V 859
J99R02U C1999 09 07.35736 23 28 09.82 +02 08 45.8 19.6 704
J99R02U C1999 09 07.36921 23 28 10.62 +02 08 39.0 20.1 704
J99R02U C1999 09 07.38115 23 28 11.44 +02 08 31.9 20.1 704
J99R02U C1999 09 07.89884 23 28 53.20 +02 04 34.3 557
J99R02U C1999 09 07.90060 23 28 53.30 +02 04 33.7 557
J99R02U C1999 09 07.90235 23 28 53.48 +02 04 32.6 557
J99R02U C1999 09 08.00647 23 29 00.87 +02 03 45.7 595
J99R02U C1999 09 08.01289 23 29 01.35 +02 03 42.8 18.9 V 595
J99R02U C1999 09 08.01985 23 29 01.88 +02 03 39.0 595
Observer details:
046 Klet. Observers J. Ticha, M. Tichy, Z. Moravec. 0.57-m f/5.2 reflector
+ CCD.
557 Ondrejov. Observers L. Sarounova, P. Kusnirak. 0.65-m f/3.6 reflector
+ CCD.
595 Farra d'Isonzo. Observers M. Spolaor, A. Toso, E. Pettarin. 0.40-m f/4.5
reflector + CCD
658 Dominion Astrophysical Observatory. Observer D. D. Balam. 1.82-m
reflector + CCD.
703 Catalina Sky Survey. Observer T. B. Spahr. 0.41-m f/3 Schmidt + 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.
734 Farpoint Observatory. Observers G. Hug, G. Bell. Measurer C. Lambrecht.
0.30-m Schmidt-Cassegrain + CCD.
859 Serra da Piedade. Observers C. Jacques, J. Amancio, L. Duczmal. 0.3-m
f/3.3 Schmidt-Cassegrain + CCD.
Orbital elements:
1999 RU2
Epoch 1999 Aug. 30.0 TT = JDT 2451420.5 Williams
M 349.50121 (2000.0) P Q
n 0.20804290 Peri. 202.76767 +0.92412664 -0.38208598
a 2.8207685 Node 179.69390 +0.36358254 +0.87896266
e 0.5619655 Incl. 5.46464 +0.11746356 +0.28536808
P 4.74 H 20.3 G 0.15
From 39 observations 1999 Sept. 4-8.
Ephemeris:
1999 RU2 a,e,i = 2.82, 0.56, 5 q = 1.2356
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 08 30 23 17.96 +02 54.6 0.365 1.363 163.3 12.3 19.5
1999 09 04 23 23.92 +02 31.3 0.339 1.341 166.9 9.8 19.2
1999 09 09 23 30.34 +01 56.2 0.316 1.320 170.7 7.1 18.9
1999 09 14 23 37.35 +01 09.7 0.296 1.301 174.4 4.3 18.6
1999 09 19 23 45.12 +00 13.3 0.280 1.285 178.0 1.5 18.3
1999 09 24 23 53.75 -00 50.9 0.267 1.270 177.7 1.8 18.2
1999 09 29 00 03.27 -01 59.7 0.257 1.258 174.1 4.7 18.3
1999 10 04 00 13.64 -03 09.3 0.251 1.249 170.5 7.6 18.3
1999 10 09 00 24.76 -04 15.1 0.247 1.242 167.1 10.4 18.4
1999 10 14 00 36.51 -05 12.3 0.247 1.237 163.8 13.0 18.5
1999 10 19 00 48.70 -05 56.9 0.251 1.236 160.8 15.4 18.6
1999 10 24 01 01.10 -06 26.0 0.257 1.237 158.0 17.5 18.7
1999 10 29 01 13.47 -06 38.2 0.266 1.241 155.5 19.4 18.9
1999 11 03 01 25.59 -06 33.5 0.278 1.247 153.2 21.0 19.0
1999 11 08 01 37.33 -06 12.5 0.294 1.256 151.0 22.5 19.2
1999 11 13 01 48.64 -05 36.8 0.312 1.268 149.0 23.7 19.4
1999 11 18 01 59.52 -04 48.6 0.334 1.282 147.1 24.8 19.6
1999 11 23 02 09.96 -03 50.3 0.358 1.298 145.2 25.7 19.8
1999 11 28 02 19.99 -02 44.3 0.386 1.316 143.3 26.6 20.0
1999 12 03 02 29.65 -01 32.9 0.416 1.337 141.4 27.4 20.3
1999 12 08 02 39.02 -00 17.8 0.450 1.359 139.4 28.2 20.5
1999 12 13 02 48.20 +00 59.4 0.488 1.383 137.3 28.9 20.7
1999 12 18 02 57.24 +02 17.3 0.528 1.408 135.2 29.5 20.9
1999 12 23 03 06.18 +03 34.7 0.572 1.435 132.9 30.1 21.2
1999 12 28 03 15.07 +04 50.7 0.618 1.463 130.6 30.7 21.4
2000 01 02 03 23.92 +06 04.5 0.668 1.493 128.3 31.2 21.6
2000 01 07 03 32.79 +07 15.8 0.722 1.523 125.8 31.6 21.9
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-R14
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