MPEC 1996-K13 : 1989 RS1
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M.P.E.C. 1996-K13 Issued 1996 May 29, 17:29 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
1989 RS1
Observations:
J89R01S FA1982 11 06.47731 00 56 41.78 -11 59 55.3 18 V 413
J89R01S FA1982 11 06.51898 00 56 46.34 -11 59 28.5 413
J89R01S F 1989 07 07.63020 20 48 08.48 +01 43 47.9 MPC 1515918 V 413
J89R01S I 1989 07 07.67186 20 48 09.68 +01 44 09.6 MPC 15159 413
J89R01S C1996 05 29.64115 20 13 01.29 -05 57 33.5 413
J89R01S C1996 05 29.66003 20 13 02.73 -05 57 19.3 413
J89R01S C1996 05 29.66345 20 13 02.98 -05 57 16.8 413
Observer details:
413 Siding Spring Observatory. Observers M. Hartley, K. S. Russell,
R. H. McNaught, G. J. Garradd. Measurer R. H. McNaught. 1.2-m U.K.
Schmidt, 1.0-m reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees)
821106 413 0.95- 0.23- 960529 413 0.34+ 0.04+ MPC 25226
Orbital elements:
1989 RS1
Id. R. H. McNaught (1982 observations), G. J. Garradd (1996 observations)
Epoch 1996 Apr. 27.0 TT = JDT 2450200.5 Williams
M 318.82089 (2000.0) P Q
n 0.28169047 Peri. 180.82622 +0.99695806 +0.07708432
a 2.3047365 Node 174.71128 -0.07077267 +0.95723681
e 0.4814459 Incl. 7.17745 -0.03264740 +0.27884707
P 3.50 H 18.0 G 0.15 U 2
Residuals in seconds of arc
821106 413 2.7+ 0.6+ 890918 413 0.6- 0.7+ 891004 675 2.6+ 1.0-
821106 413 2.8- 0.3- 890920 413 1.4+ 1.1- 891004 675 0.9- 0.5-
890707 413 1.9+ 0.1+ 890924 474 (7.3- 0.2-) 891006 413 (4.0+ 0.4-)
890707 413 (4.4- 5.2-) 890924 474 (4.0- 2.2+) 891129 688 0.2- 0.6-
890906 675 0.9- 0.1- 890925 801 (5.1- 0.1-) 891129 688 1.1- 0.1-
890906 675 2.2- 1.5+ 890926 413 1.1+ 0.4- 891129 688 0.4- 0.6-
890908 675 1.1- 1.4- 890930 413 0.5- 1.5+ 960529 413 0.1- 0.8-
890917 413 0.4+ 0.0 890930 413 0.4+ 0.3+ 960529 413 0.2+ 0.4-
890918 413 0.4+ 0.3+ 891001 675 (2.7- 1.4-) 960529 413 0.0 0.4-
890918 413 0.2- 0.4+ 891001 675 (5.6+ 5.9-)
Ephemeris:
1989 RS1 a,e,i = 2.30, 0.48, 7 q = 1.1951
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1996 05 27 20 09.52 -06 29.6 0.902 1.675 121.9 30.9 20.2
1996 06 01 20 16.08 -05 28.6 0.841 1.645 124.6 30.5 20.0
1996 06 06 20 22.40 -04 25.7 0.783 1.614 127.3 30.0 19.8
1996 06 11 20 28.46 -03 21.3 0.727 1.584 130.0 29.4 19.6
1996 06 16 20 34.25 -02 16.0 0.674 1.554 132.7 28.7 19.4
1996 06 21 20 39.77 -01 10.4 0.624 1.524 135.3 28.0 19.1
1996 06 26 20 45.05 -00 05.2 0.576 1.495 137.9 27.1 18.9
1996 07 01 20 50.11 +00 58.8 0.532 1.467 140.5 26.2 18.6
1996 07 06 20 54.97 +02 00.5 0.490 1.439 143.0 25.2 18.4
1996 07 11 20 59.66 +02 58.5 0.452 1.412 145.5 24.1 18.1
1996 07 16 21 04.25 +03 51.3 0.416 1.386 147.8 23.0 17.9
1996 07 21 21 08.81 +04 36.9 0.383 1.361 150.1 21.8 17.6
1996 07 26 21 13.50 +05 13.5 0.352 1.338 152.4 20.6 17.4
1996 07 31 21 18.47 +05 38.9 0.324 1.315 154.5 19.4 17.1
1996 08 05 21 23.87 +05 50.7 0.299 1.294 156.6 18.2 16.9
1996 08 10 21 29.89 +05 46.4 0.277 1.275 158.6 16.9 16.6
1996 08 15 21 36.75 +05 23.5 0.257 1.258 160.6 15.5 16.4
1996 08 20 21 44.71 +04 40.1 0.239 1.242 162.6 14.1 16.2
1996 08 25 21 54.02 +03 35.2 0.224 1.229 164.6 12.6 15.9
1996 08 30 22 04.83 +02 09.0 0.212 1.217 166.6 11.1 15.8
1996 09 04 22 17.18 +00 23.4 0.203 1.208 168.4 9.7 15.6
1996 09 09 22 31.00 -01 37.7 0.197 1.201 169.4 8.9 15.5
1996 09 14 22 46.09 -03 47.6 0.194 1.197 169.3 8.9 15.4
1996 09 19 23 02.14 -05 57.9 0.194 1.195 168.0 10.1 15.5
1996 09 24 23 18.71 -07 59.7 0.198 1.196 165.7 11.9 15.6
1996 09 29 23 35.28 -09 45.4 0.205 1.199 163.0 14.1 15.8
1996 10 04 23 51.35 -11 10.0 0.215 1.205 160.2 16.4 15.9
1996 10 09 00 06.55 -12 10.6 0.228 1.213 157.4 18.5 16.2
1996 10 14 00 20.69 -12 46.8 0.244 1.223 154.7 20.4 16.4
1996 10 19 00 33.72 -12 59.9 0.264 1.235 152.2 22.0 16.6
1996 10 24 00 45.68 -12 52.6 0.286 1.250 149.9 23.5 16.9
1996 10 29 00 56.64 -12 28.0 0.310 1.267 147.7 24.8 17.1
1996 11 03 01 06.72 -11 49.2 0.338 1.285 145.5 25.9 17.4
1996 11 08 01 16.06 -10 58.9 0.369 1.305 143.3 27.0 17.6
1996 11 13 01 24.84 -09 59.3 0.402 1.327 141.2 27.9 17.9
1996 11 18 01 33.22 -08 52.7 0.438 1.350 138.9 28.7 18.1
1996 11 23 01 41.32 -07 40.9 0.477 1.374 136.7 29.5 18.4
1996 11 28 01 49.21 -06 25.8 0.519 1.399 134.4 30.2 18.6
1996 12 03 01 56.97 -05 08.4 0.564 1.426 132.0 30.9 18.9
1996 12 08 02 04.67 -03 49.9 0.611 1.453 129.6 31.5 19.1
1996 12 13 02 12.37 -02 31.0 0.662 1.481 127.2 32.0 19.3
1996 12 18 02 20.12 -01 12.5 0.715 1.510 124.7 32.4 19.5
1996 12 23 02 27.93 +00 04.9 0.772 1.539 122.1 32.8 19.8
1996 12 28 02 35.83 +01 20.9 0.831 1.569 119.5 33.0 20.0
1997 01 02 02 43.82 +02 35.0 0.892 1.599 117.0 33.2 20.2
1997 01 07 02 51.90 +03 47.0 0.956 1.630 114.3 33.3 20.4
1997 01 12 03 00.11 +04 56.6 1.023 1.661 111.7 33.4 20.5
1997 01 17 03 08.43 +06 03.7 1.092 1.691 109.0 33.3 20.7
1997 01 22 03 16.87 +07 08.1 1.163 1.722 106.4 33.2 20.9
1997 01 27 03 25.41 +08 09.7 1.236 1.754 103.7 33.1 21.1
1997 02 01 03 34.05 +09 08.4 1.311 1.785 101.1 32.8 21.2
1997 02 06 03 42.79 +10 04.1 1.388 1.816 98.4 32.5 21.4
1997 02 11 03 51.63 +10 56.9 1.466 1.847 95.7 32.1 21.5
1997 02 16 04 00.56 +11 46.6 1.546 1.878 93.0 31.7 21.7
1997 02 21 04 09.57 +12 33.3 1.626 1.909 90.4 31.2 21.8
1997 02 26 04 18.65 +13 16.9 1.708 1.939 87.7 30.7 21.9
1997 03 03 04 27.78 +13 57.4 1.791 1.970 85.0 30.1 22.0
Gareth V. Williams (C) Copyright 1996 MPC M.P.E.C. 1996-K13
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