MPEC 1999-R21 : 1999 RM28
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M.P.E.C. 1999-R21 Issued 1999 Sept. 10, 16:05 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 RM28
Observations:
J99R28M*1 1999 09 03.50971 23 21 55.55 -37 06 20.7 18 V 413
J99R28M 1 1999 09 03.58610 23 21 51.19 -37 09 21.5 413
J99R28M 1 1999 09 05.56589 23 20 05.83 -38 26 49.2 413
J99R28M 1 1999 09 05.64228 23 20 01.12 -38 29 45.7 413
J99R28M C1999 09 09.46610 23 16 19.46 -40 53 21.0 17.1 R 426
J99R28M C1999 09 09.47049 23 16 19.20 -40 53 30.7 17.2 R 426
J99R28M C1999 09 09.47411 23 16 18.96 -40 53 38.8 17.0 R 426
J99R28M C1999 09 10.52568 23 15 13.96 -41 31 32.6 17.6 R 426
J99R28M C1999 09 10.52913 23 15 13.74 -41 31 40.0 17.4 R 426
J99R28M C1999 09 10.53272 23 15 13.57 -41 31 47.9 17.3 R 426
Observer details:
413 Siding Spring. Observers M. Hartley, C. P. Cass. Measurer R. H. McNaught.
1.2-m Schmidt.
426 Woomera. Observer F. B. Zoltowski. 0.30-m f/3.3 Schmidt-Cassegrain + CCD.
Orbital elements:
1999 RM28
Epoch 1999 Aug. 30.0 TT = JDT 2451420.5 Williams
M 299.15228 (2000.0) P Q
n 0.40497904 Peri. 302.10638 +0.12683674 -0.92846540
a 1.8093157 Node 135.97657 +0.99134178 +0.13070502
e 0.3253047 Incl. 30.15383 -0.03396936 +0.34766104
P 2.43 H 16.3 G 0.15
From 10 observations 1999 Sept. 3-10.
Ephemeris:
1999 RM28 a,e,i = 1.81, 0.33, 30 q = 1.2207
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 09 09 23 16.78 -40 36.3 0.726 1.655 144.9 20.5 17.7
1999 09 19 23 06.02 -46 05.3 0.736 1.611 134.9 26.2 17.9
1999 09 29 22 55.64 -50 05.9 0.763 1.567 124.7 31.7 18.0
1999 10 09 22 48.35 -52 36.0 0.799 1.523 115.4 36.3 18.2
1999 10 19 22 46.33 -53 47.5 0.838 1.481 107.3 40.0 18.3
1999 10 29 22 50.48 -53 56.3 0.877 1.439 100.5 42.7 18.5
1999 11 08 23 00.51 -53 14.3 0.910 1.400 94.7 44.9 18.5
1999 11 18 23 15.68 -51 48.2 0.937 1.362 90.0 46.5 18.6
1999 11 28 23 34.91 -49 41.6 0.956 1.328 86.2 47.9 18.6
1999 12 08 23 57.18 -46 54.1 0.967 1.297 83.3 49.0 18.6
1999 12 18 00 21.71 -43 24.4 0.970 1.271 81.1 49.9 18.6
1999 12 28 00 47.80 -39 10.8 0.968 1.250 79.6 50.7 18.6
2000 01 07 01 15.02 -34 11.6 0.963 1.234 78.7 51.4 18.6
2000 01 17 01 43.12 -28 27.4 0.957 1.224 78.2 51.9 18.6
2000 01 27 02 11.93 -22 02.7 0.955 1.221 78.0 52.1 18.6
2000 02 06 02 41.43 -15 06.6 0.961 1.224 77.9 52.0 18.6
2000 02 16 03 11.66 -07 54.3 0.979 1.233 77.7 51.5 18.6
2000 02 26 03 42.64 -00 45.3 1.010 1.249 77.3 50.7 18.7
2000 03 07 04 14.40 +06 00.5 1.057 1.270 76.5 49.5 18.8
2000 03 17 04 46.94 +12 05.8 1.118 1.296 75.4 48.0 18.9
2000 03 27 05 20.11 +17 19.1 1.193 1.326 73.9 46.3 19.1
2000 04 06 05 53.74 +21 35.0 1.280 1.360 72.1 44.4 19.2
2000 04 16 06 27.57 +24 53.3 1.376 1.398 69.9 42.4 19.4
2000 04 26 07 01.23 +27 16.9 1.478 1.437 67.6 40.3 19.5
2000 05 06 07 34.40 +28 50.9 1.586 1.479 65.1 38.2 19.7
2000 05 16 08 06.79 +29 41.3 1.696 1.521 62.5 36.1 19.8
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-R21
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