MPEC 1999-R25 : 1999 RQ28
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M.P.E.C. 1999-R25 Issued 1999 Sept. 10, 16:22 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 RQ28
Observations:
J99R28Q* C1999 09 07.33249 23 29 38.18 -17 10 47.3 18.0 R 699
J99R28Q C1999 09 07.36315 23 29 40.07 -17 11 21.9 699
J99R28Q C1999 09 07.39383 23 29 41.95 -17 11 56.0 699
J99R28Q C1999 09 07.94184 23 30 25.33 -17 22 21.4 17.5 106
J99R28Q C1999 09 07.96127 23 30 26.62 -17 22 44.0 17.8 106
J99R28Q C1999 09 07.97729 23 30 27.62 -17 23 03.7 557
J99R28Q C1999 09 07.97962 23 30 27.76 -17 23 06.2 557
J99R28Q C1999 09 07.98072 23 30 27.82 -17 23 06.4 18.0 106
J99R28Q C1999 09 07.98196 23 30 27.93 -17 23 09.1 18.3 V 557
J99R28Q C1999 09 08.02905 23 30 31.04 -17 24 01.7 18.2 V 595
J99R28Q C1999 09 08.03612 23 30 31.59 -17 24 10.3 595
J99R28Q C1999 09 08.04248 23 30 31.96 -17 24 16.8 595
J99R28Q C1999 09 08.91860 23 31 41.85 -17 41 00.4 17.7 R 046
J99R28Q C1999 09 08.92023 23 31 42.01 -17 41 02.7 046
J99R28Q C1999 09 08.92148 23 31 42.09 -17 41 03.8 046
J99R28Q C1999 09 08.92287 23 31 42.19 -17 41 06.5 046
J99R28Q C1999 09 09.51948 23 32 30.92 -17 51 46.0 18.1 R 426
J99R28Q C1999 09 09.52295 23 32 31.13 -17 51 50.9 18.0 R 426
J99R28Q C1999 09 09.52634 23 32 31.35 -17 51 54.8 17.8 R 426
J99R28Q C1999 09 09.54006 23 32 31.56 -17 52 15.3 428
J99R28Q C1999 09 09.56877 23 32 33.59 -17 52 49.1 428
J99R28Q C1999 09 09.99325 23 33 07.49 -18 01 47.8 17.2 R 046
J99R28Q C1999 09 09.99464 23 33 07.56 -18 01 48.7 046
J99R28Q C1999 09 09.99844 23 33 07.80 -18 01 54.2 046
J99R28Q C1999 09 10.53935 23 33 54.08 -18 11 36.0 18.2 R 426
J99R28Q C1999 09 10.54314 23 33 54.36 -18 11 41.2 18.0 R 426
J99R28Q C1999 09 10.54659 23 33 54.56 -18 11 45.1 17.8 R 426
Observer details:
046 Klet. Observers M. Tichy, Z. Moravec. 0.57-m f/5.2 reflector + CCD.
106 Crni Vrh. Observer H. Mikuz. 0.36-m f/6.7 Schmidt-Cassegrain + CCD.
426 Woomera. Observer F. B. Zoltowski. 0.30-m f/3.3 Schmidt-Cassegrain + CCD.
428 Reedy Creek. Observer J. Broughton. 0.25-m f/6.3 Schmidt-Cassegrain
+ 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
699 Lowell Observatory-LONEOS. Observer W. D. Ferris. Measurer B. W. Koehn.
0.59-m LONEOS Schmidt + CCD.
Orbital elements:
1999 RQ28
Epoch 1999 Aug. 30.0 TT = JDT 2451420.5 Williams
M 337.40119 (2000.0) P Q
n 0.37482893 Peri. 269.29779 +0.82876540 -0.55725641
a 1.9050834 Node 124.56713 +0.53494265 +0.76212480
e 0.4231096 Incl. 3.55914 +0.16426891 +0.32959231
P 2.63 H 20.3 G 0.15
From 27 observations 1999 Sept. 7-10.
Ephemeris:
1999 RQ28 a,e,i = 1.91, 0.42, 4 q = 1.0990
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 09 09 23 31.79 -17 42.0 0.215 1.218 166.6 11.1 18.1
1999 09 14 23 38.93 -19 20.2 0.197 1.197 164.0 13.4 17.9
1999 09 19 23 47.37 -20 59.9 0.182 1.178 160.7 16.4 17.8
1999 09 24 23 57.45 -22 35.9 0.168 1.160 157.2 19.6 17.7
1999 09 29 00 09.48 -24 02.1 0.157 1.145 153.7 22.8 17.7
1999 10 04 00 23.63 -25 11.5 0.148 1.131 150.5 25.8 17.6
1999 10 09 00 39.95 -25 56.1 0.140 1.120 147.8 28.4 17.5
1999 10 14 00 58.36 -26 07.5 0.134 1.111 145.7 30.4 17.5
1999 10 19 01 18.46 -25 39.1 0.130 1.104 144.4 31.6 17.4
1999 10 24 01 39.61 -24 27.0 0.128 1.100 143.9 32.2 17.4
1999 10 29 02 00.91 -22 31.6 0.127 1.099 144.2 32.0 17.4
1999 11 03 02 21.47 -19 56.9 0.129 1.100 145.1 31.0 17.4
1999 11 08 02 40.64 -16 50.3 0.132 1.104 146.7 29.5 17.4
1999 11 13 02 58.03 -13 22.0 0.138 1.110 148.7 27.6 17.5
1999 11 18 03 13.51 -09 42.9 0.146 1.119 150.9 25.5 17.5
1999 11 23 03 27.13 -06 03.3 0.157 1.130 153.0 23.4 17.7
1999 11 28 03 39.03 -02 31.3 0.170 1.143 154.8 21.5 17.8
1999 12 03 03 49.45 +00 47.9 0.186 1.159 156.1 20.2 18.0
1999 12 08 03 58.70 +03 51.3 0.205 1.176 156.5 19.5 18.2
1999 12 13 04 07.13 +06 37.6 0.226 1.195 156.2 19.5 18.4
1999 12 18 04 15.00 +09 06.6 0.250 1.215 155.0 20.0 18.7
1999 12 23 04 22.55 +11 18.9 0.277 1.238 153.2 21.0 19.0
1999 12 28 04 29.90 +13 15.6 0.307 1.261 150.9 22.3 19.3
2000 01 02 04 37.20 +14 58.0 0.340 1.285 148.3 23.7 19.6
2000 01 07 04 44.56 +16 27.7 0.376 1.311 145.4 25.2 19.9
2000 01 12 04 52.10 +17 46.0 0.416 1.337 142.5 26.6 20.2
2000 01 17 04 59.85 +18 54.1 0.458 1.364 139.4 28.0 20.5
2000 01 22 05 07.83 +19 53.2 0.502 1.392 136.4 29.2 20.8
2000 01 27 05 16.03 +20 44.1 0.550 1.420 133.3 30.3 21.1
2000 02 01 05 24.45 +21 27.6 0.601 1.448 130.3 31.3 21.3
2000 02 06 05 33.10 +22 04.6 0.654 1.477 127.3 32.1 21.6
2000 02 11 05 41.97 +22 35.5 0.710 1.506 124.3 32.8 21.8
2000 02 16 05 51.04 +23 01.0 0.769 1.535 121.3 33.4 22.1
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-R25
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