MPEC 1998-C27: 1998 CS1
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M.P.E.C. 1998-C27 Issued 1998 Feb. 13, 15:36 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
1998 CS1
Observations:
J98C01S* C1998 02 09.47453 02 10 13.61 +17 40 40.7 327
J98C01S C1998 02 09.50193 02 10 07.30 +17 40 51.0 327
J98C01S C1998 02 09.51060 02 10 05.38 +17 40 54.4 18.2 327
J98C01S C1998 02 10.78862 02 05 18.01 +17 48 59.7 17.6 V 046
J98C01S C1998 02 10.79144 02 05 17.34 +17 49 00.9 046
J98C01S C1998 02 10.79362 02 05 16.79 +17 49 01.6 046
J98C01S C1998 02 10.79557 02 05 16.35 +17 49 02.9 046
J98C01S C1998 02 10.79686 02 05 16.11 +17 49 03.3 046
J98C01S C1998 02 11.44410 02 02 47.92 +17 53 03.8 360
J98C01S FC1998 02 11.44753 02 02 47.47 +17 53 04.2 327
J98C01S C1998 02 11.44861 02 02 46.84 +17 53 06.2 360
J98C01S FC1998 02 11.45455 02 02 45.65 +17 53 06.1 327
J98C01S C1998 02 11.45625 02 02 45.02 +17 53 07.2 360
J98C01S C1998 02 11.46076 02 02 43.87 +17 53 09.4 360
J98C01S C1998 02 11.74847 02 01 37.96 +17 54 47.3 18.0 V 104
J98C01S C1998 02 11.75116 02 01 37.41 +17 54 48.5 104
J98C01S C1998 02 11.75382 02 01 36.81 +17 54 49.0 104
J98C01S C1998 02 11.75995 02 01 35.38 +17 54 52.6 104
J98C01S C1998 02 11.76262 02 01 34.82 +17 54 53.2 104
J98C01S C1998 02 13.45052 01 54 57.44 +18 03 56.8 18.4 327
J98C01S C1998 02 13.46140 01 54 54.68 +18 03 59.2 327
J98C01S C1998 02 13.46936 01 54 52.65 +18 04 00.4 327
Observer details:
046 Klet. Observers M. Tichy, Z. Moravec. Measurer M. Tichy. 0.57-m f/5.2
reflector + CCD.
104 San Marcello Pistoiese. Observers L. Tesi, A. Boattini. Measurers
A. Boattini, G. Forti, L. Tesi. 0.40-m f/5 reflector + CCD.
327 Peking Observatory, Xinglong Station. Observers J. Zhu, Y. J. Chen,
Z. Y. Zheng. Measurers Y. J. Chen, X. Y. Li. 0.6-m Schmidt + CCD.
360 Kuma Kogen. Observer A. Nakamura. 0.60-m f/6.0 Ritchey-Chretien + CCD.
Orbital elements:
1998 CS1
Epoch 1998 Jan. 27.0 TT = JDT 2450840.5 Williams
M 325.77751 (2000.0) P Q
n 0.55576277 Peri. 96.97617 -0.87043647 +0.47652103
a 1.4651309 Node 111.54754 -0.48760637 -0.80006224
e 0.5670136 Incl. 7.63422 -0.06767853 -0.36445593
P 1.77 H 17.0 G 0.15
From 22 observations 1998 Feb. 9-13.
Ephemeris:
1998 CS1 a,e,i = 1.47, 0.57, 8 q = 0.6344
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 02 06 02 22.86 +17 16.4 0.319 0.994 82.1 79.4 17.3
1998 02 11 02 04.52 +17 50.6 0.312 0.945 73.1 88.4 17.5
1998 02 16 01 44.49 +18 14.7 0.305 0.896 63.9 98.3 17.7
1998 02 21 01 21.82 +18 19.6 0.299 0.849 54.1 109.3 18.2
1998 02 26 00 55.84 +17 52.9 0.295 0.803 43.7 121.6 18.8
1998 03 03 00 26.74 +16 41.1 0.295 0.760 32.9 135.0 20.0
1998 04 02 22 32.82 +00 47.0 0.509 0.637 33.1 121.0 19.5
1998 04 07 22 34.94 -00 39.5 0.573 0.649 37.6 109.8 19.0
1998 04 12 22 40.82 -01 35.4 0.638 0.670 41.2 100.0 18.8
1998 04 17 22 49.22 -02 06.9 0.701 0.700 44.2 91.6 18.7
1998 04 22 22 59.16 -02 19.8 0.760 0.735 46.7 84.5 18.7
1998 04 27 23 09.91 -02 19.3 0.814 0.776 49.1 78.5 18.7
1998 05 02 23 21.00 -02 09.6 0.863 0.820 51.3 73.5 18.8
1998 05 07 23 32.09 -01 53.8 0.907 0.866 53.4 69.3 18.9
1998 05 12 23 42.99 -01 34.3 0.944 0.914 55.6 65.8 19.0
1998 05 17 23 53.57 -01 13.2 0.977 0.963 57.9 62.9 19.1
1998 05 22 00 03.74 -00 51.7 1.003 1.011 60.2 60.3 19.2
1998 05 27 00 13.43 -00 31.1 1.025 1.060 62.7 58.1 19.3
1998 06 01 00 22.60 -00 12.4 1.041 1.109 65.3 56.2 19.3
1998 06 06 00 31.22 +00 03.8 1.053 1.156 68.0 54.4 19.4
1998 06 11 00 39.26 +00 16.8 1.060 1.203 70.8 52.8 19.5
1998 06 16 00 46.70 +00 26.1 1.063 1.249 73.8 51.3 19.5
1998 06 21 00 53.51 +00 31.1 1.062 1.295 77.0 49.9 19.6
1998 06 26 00 59.63 +00 31.4 1.058 1.339 80.4 48.5 19.6
1998 07 01 01 05.03 +00 26.4 1.050 1.382 83.9 47.0 19.6
1998 07 06 01 09.66 +00 15.8 1.039 1.424 87.6 45.5 19.6
1998 07 11 01 13.46 -00 01.0 1.026 1.465 91.6 43.9 19.6
1998 07 16 01 16.37 -00 24.2 1.011 1.504 95.8 42.2 19.6
1998 07 21 01 18.33 -00 54.5 0.995 1.543 100.2 40.4 19.5
1998 07 26 01 19.24 -01 32.1 0.977 1.581 105.0 38.4 19.5
1998 07 31 01 19.04 -02 17.4 0.959 1.617 110.0 36.2 19.4
1998 08 05 01 17.66 -03 10.2 0.941 1.652 115.3 33.7 19.4
1998 08 10 01 15.05 -04 10.5 0.925 1.687 120.8 31.1 19.3
1998 08 15 01 11.18 -05 17.8 0.910 1.720 126.7 28.2 19.2
1998 08 20 01 06.02 -06 31.0 0.899 1.752 132.9 25.0 19.1
1998 08 25 00 59.63 -07 48.9 0.891 1.783 139.2 21.7 19.1
1998 08 30 00 52.11 -09 09.3 0.888 1.813 145.6 18.3 19.0
1998 09 04 00 43.65 -10 29.7 0.890 1.842 152.0 14.9 18.9
1998 09 09 00 34.48 -11 47.5 0.898 1.870 158.0 11.7 18.8
1998 09 14 00 24.88 -13 00.0 0.913 1.897 162.9 9.0 18.8
1998 09 19 00 15.17 -14 04.8 0.934 1.923 165.5 7.5 18.8
1998 09 24 00 05.67 -15 00.1 0.963 1.948 164.7 7.8 18.9
1998 09 29 23 56.70 -15 44.7 0.998 1.973 161.0 9.5 19.1
1998 10 04 23 48.51 -16 18.2 1.040 1.996 156.0 11.8 19.3
1998 10 09 23 41.26 -16 41.0 1.088 2.018 150.5 14.1 19.5
1998 10 14 23 35.08 -16 53.7 1.141 2.040 144.8 16.4 19.7
1998 10 19 23 30.01 -16 57.3 1.200 2.060 139.2 18.4 19.9
1998 10 24 23 26.07 -16 52.8 1.263 2.080 133.8 20.2 20.1
1998 10 29 23 23.22 -16 41.2 1.330 2.098 128.6 21.7 20.3
1998 11 03 23 21.42 -16 23.7 1.400 2.116 123.5 23.0 20.5
1998 11 08 23 20.56 -16 01.1 1.473 2.133 118.6 24.1 20.6
1998 11 13 23 20.59 -15 34.2 1.548 2.149 113.9 24.9 20.8
1998 11 18 23 21.41 -15 03.5 1.624 2.164 109.4 25.5 20.9
1998 11 23 23 22.95 -14 29.7 1.702 2.178 105.0 26.0 21.0
1998 11 28 23 25.15 -13 53.1 1.781 2.192 100.8 26.2 21.1
1998 12 03 23 27.93 -13 14.2 1.860 2.204 96.7 26.4 21.3
1998 12 08 23 31.21 -12 33.4 1.940 2.216 92.7 26.4 21.4
1998 12 13 23 34.96 -11 50.7 2.019 2.227 88.8 26.2 21.5
1998 12 18 23 39.12 -11 06.6 2.098 2.237 85.0 26.0 21.5
1998 12 23 23 43.65 -10 21.1 2.175 2.247 81.2 25.6 21.6
1998 12 28 23 48.51 -09 34.4 2.252 2.255 77.6 25.2 21.7
1999 01 02 23 53.67 -08 46.7 2.326 2.263 74.0 24.7 21.8
1999 01 07 23 59.09 -07 58.2 2.400 2.270 70.5 24.1 21.8
1999 01 12 00 04.75 -07 08.9 2.471 2.276 67.1 23.5 21.9
1999 01 17 00 10.63 -06 19.0 2.540 2.281 63.7 22.7 21.9
1999 01 22 00 16.72 -05 28.6 2.606 2.286 60.4 22.0 21.9
1999 01 27 00 22.98 -04 37.7 2.670 2.289 57.1 21.2 22.0
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-C27
Read MPEC 1998-C26
Read MPEC 1998-C28
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