MPEC 1998-E07: 1998 CS1
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Read MPEC 1998-E06
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M.P.E.C. 1998-E07 Issued 1998 Mar. 3, 16:45 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
Revision to MPEC 1998-C27
Observations:
J98C01S C1998 02 13.41037 01 55 07.00 +18 03 46.1 18.2 V 402
J98C01S C1998 02 13.41245 01 55 06.35 +18 03 47.1 402
J98C01S C1998 02 13.41454 01 55 05.88 +18 03 47.4 402
J98C01S C1998 02 13.41662 01 55 05.30 +18 03 48.3 402
J98C01S C1998 02 13.74306 01 53 47.01 +18 05 19.5 18.3 V 104
J98C01S C1998 02 13.74583 01 53 46.33 +18 05 20.6 104
J98C01S C1998 02 13.74896 01 53 45.57 +18 05 21.6 104
J98C01S C1998 02 13.75139 01 53 44.98 +18 05 22.4 104
J98C01S C1998 02 14.77309 01 49 35.66 +18 09 54.4 587
J98C01S C1998 02 14.77604 01 49 34.99 +18 09 54.7 587
J98C01S C1998 02 14.77917 01 49 34.08 +18 09 55.6 587
J98C01S C1998 02 14.78837 01 49 31.76 +18 09 56.9 587
J98C01S C1998 02 14.79878 01 49 29.13 +18 09 57.9 18.5 V 046
J98C01S C1998 02 14.80003 01 49 28.83 +18 09 58.6 046
J98C01S C1998 02 14.80115 01 49 28.48 +18 09 59.0 046
J98C01S C1998 02 14.80314 01 49 28.00 +18 09 58.9 046
J98C01S C1998 02 14.80448 01 49 27.62 +18 09 59.4 046
J98C01S C1998 02 15.46292 01 46 43.78 +18 12 38.5 327
J98C01S C1998 02 15.47376 01 46 40.93 +18 12 40.4 19.2 327
J98C01S C1998 02 15.48454 01 46 38.24 +18 12 43.0 327
J98C01S C1998 02 15.79317 01 45 20.51 +18 13 45.5 587
J98C01S C1998 02 15.79664 01 45 19.59 +18 13 45.9 587
J98C01S C1998 02 15.80046 01 45 18.46 +18 13 46.1 587
J98C01S C1998 02 17.73784 01 36 55.98 +18 18 56.2 18.7 V 046
J98C01S C1998 02 17.73964 01 36 55.45 +18 18 56.9 046
J98C01S C1998 02 17.74684 01 36 53.52 +18 18 57.8 046
J98C01S C1998 02 17.74994 01 36 52.76 +18 18 58.9 046
J98C01S C1998 02 18.75104 01 32 22.45 +18 20 21.4 18.8 V 104
J98C01S C1998 02 18.76314 01 32 19.13 +18 20 21.5 104
J98C01S C1998 02 18.76597 01 32 18.27 +18 20 21.5 104
J98C01S C1998 02 18.76878 01 32 17.40 +18 20 21.6 104
J98C01S C1998 02 20.76498 01 22 55.43 +18 19 51.0 18.6 V 046
J98C01S C1998 02 20.76619 01 22 55.08 +18 19 51.1 557
J98C01S C1998 02 20.76622 01 22 55.14 +18 19 51.0 046
J98C01S C1998 02 20.76794 01 22 54.55 +18 19 50.9 046
J98C01S C1998 02 20.76817 01 22 54.45 +18 19 50.2 557
J98C01S C1998 02 20.76999 01 22 54.00 +18 19 50.9 046
J98C01S C1998 02 20.77015 01 22 53.91 +18 19 49.0 557
J98C01S C1998 02 20.77117 01 22 53.53 +18 19 50.0 046
J98C01S C1998 02 20.77223 01 22 53.32 +18 19 49.0 557
J98C01S C1998 02 20.77420 01 22 52.81 +18 19 48.7 19.4 V 557
Observer details:
046 Klet. Observers J. Ticha, 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 B. Zhao, X. Y. Li.
Measurer C. Y. Li. 0.6-m Schmidt + CCD.
402 Dynic Astronomical Observatory. Observer A. Sugie. 0.60-m f/3.7
reflector + CCD.
557 Ondrejov. Observer P. Pravec. 0.65-m f/3.6 reflector + CCD.
587 Sormano. Observers N. Cavagna, F. Manca, A. Testa. 0.5-m reflector
+ CCD.
Orbital elements:
1998 CS1
Epoch 1998 Jan. 27.0 TT = JDT 2450840.5 Marsden
M 326.96816 (2000.0) P Q
n 0.53941813 Peri. 97.13471 -0.87166266 +0.47346210
a 1.4945795 Node 111.19439 -0.48593835 -0.80127240
e 0.5789838 Incl. 7.80651 -0.06378190 -0.36578161
P 1.83 H 17.5 G 0.15
From 58 observations 1998 Feb. 9-20.
Ephemeris:
1998 CS1 a,e,i = 1.49, 0.58, 8 q = 0.6292
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 02 26 00 55.80 +17 53.2 0.300 0.800 43.7 121.2 19.3
1998 03 03 00 26.63 +16 41.3 0.301 0.757 32.8 134.7 20.5
1998 03 08 23 55.88 +14 35.6 0.308 0.717 22.3 148.3 22.3
1998 03 13 23 26.64 +11 43.3 0.327 0.683 14.9 158.1 24.6
1998 03 18 23 02.33 +08 28.7 0.359 0.656 15.2 156.5 24.3
1998 03 23 22 45.16 +05 21.4 0.403 0.638 21.2 145.6 22.2
1998 03 28 22 35.55 +02 42.4 0.458 0.630 27.6 132.7 20.8
1998 04 02 22 32.62 +00 40.0 0.519 0.632 33.2 120.1 19.9
1998 04 07 22 34.92 -00 46.5 0.584 0.646 37.6 108.8 19.5
1998 04 12 22 40.95 -01 42.3 0.650 0.668 41.2 99.0 19.3
1998 04 17 22 49.46 -02 13.7 0.713 0.699 44.1 90.6 19.2
1998 04 22 22 59.45 -02 26.6 0.773 0.736 46.7 83.5 19.2
1998 04 27 23 10.22 -02 26.3 0.828 0.778 49.0 77.5 19.3
1998 05 02 23 21.27 -02 16.9 0.877 0.824 51.2 72.6 19.3
1998 05 07 23 32.30 -02 01.7 0.921 0.871 53.4 68.5 19.4
1998 05 12 23 43.11 -01 43.1 0.958 0.920 55.7 65.0 19.5
1998 05 17 23 53.57 -01 22.9 0.990 0.970 58.0 62.1 19.6
1998 05 22 00 03.61 -01 02.5 1.017 1.020 60.3 59.6 19.7
1998 05 27 00 13.15 -00 43.1 1.038 1.070 62.8 57.4 19.8
1998 06 01 00 22.15 -00 25.7 1.055 1.119 65.5 55.5 19.9
1998 06 06 00 30.59 -00 11.0 1.066 1.168 68.2 53.8 19.9
1998 06 11 00 38.45 +00 00.5 1.073 1.216 71.1 52.2 20.0
1998 06 16 00 45.69 +00 08.2 1.076 1.262 74.2 50.7 20.0
1998 06 21 00 52.28 +00 11.6 1.075 1.308 77.4 49.3 20.1
1998 06 26 00 58.18 +00 10.0 1.070 1.353 80.8 47.9 20.1
1998 07 01 01 03.34 +00 03.2 1.062 1.397 84.4 46.4 20.1
1998 07 06 01 07.72 -00 09.4 1.051 1.440 88.2 44.9 20.1
1998 07 11 01 11.25 -00 28.3 1.038 1.482 92.3 43.3 20.1
1998 07 16 01 13.89 -00 53.7 1.023 1.522 96.5 41.6 20.1
1998 07 21 01 15.56 -01 26.1 1.006 1.562 101.1 39.7 20.1
1998 07 26 01 16.17 -02 06.0 0.989 1.600 105.9 37.6 20.0
1998 07 31 01 15.66 -02 53.4 0.972 1.637 111.0 35.4 20.0
1998 08 05 01 13.97 -03 48.3 0.955 1.673 116.3 32.9 19.9
1998 08 10 01 11.05 -04 50.5 0.939 1.708 122.0 30.2 19.8
1998 08 15 01 06.88 -05 59.3 0.926 1.742 127.9 27.3 19.8
1998 08 20 01 01.45 -07 13.8 0.915 1.775 134.1 24.2 19.7
1998 08 25 00 54.83 -08 32.3 0.909 1.807 140.5 20.9 19.6
1998 08 30 00 47.13 -09 52.6 0.908 1.838 146.9 17.5 19.5
1998 09 04 00 38.56 -11 12.3 0.912 1.868 153.2 14.1 19.5
1998 09 09 00 29.35 -12 28.7 0.922 1.897 159.0 11.0 19.4
1998 09 14 00 19.78 -13 39.2 0.939 1.925 163.5 8.5 19.4
1998 09 19 00 10.18 -14 41.6 0.963 1.952 165.5 7.4 19.4
1998 09 24 00 00.86 -15 34.3 0.994 1.978 164.1 8.0 19.5
1998 09 29 23 52.11 -16 16.3 1.031 2.003 160.2 9.8 19.7
1998 10 04 23 44.16 -16 47.4 1.076 2.027 155.0 12.0 19.9
1998 10 09 23 37.17 -17 07.9 1.126 2.050 149.5 14.3 20.1
1998 10 14 23 31.24 -17 18.8 1.182 2.073 143.9 16.5 20.3
1998 10 19 23 26.41 -17 20.9 1.242 2.094 138.3 18.4 20.5
1998 10 24 23 22.69 -17 15.2 1.307 2.114 132.9 20.1 20.7
1998 10 29 23 20.03 -17 02.8 1.376 2.134 127.7 21.6 20.9
1998 11 03 23 18.39 -16 44.7 1.448 2.153 122.7 22.8 21.1
1998 11 08 23 17.67 -16 21.7 1.523 2.171 117.9 23.8 21.2
1998 11 13 23 17.80 -15 54.5 1.600 2.188 113.2 24.6 21.4
1998 11 18 23 18.70 -15 23.9 1.679 2.204 108.7 25.1 21.5
1998 11 23 23 20.31 -14 50.2 1.759 2.220 104.3 25.5 21.6
1998 11 28 23 22.55 -14 13.8 1.839 2.234 100.1 25.8 21.7
1998 12 03 23 25.34 -13 35.3 1.920 2.248 96.0 25.9 21.9
1998 12 08 23 28.63 -12 54.9 2.001 2.261 92.0 25.8 22.0
1998 12 13 23 32.37 -12 12.8 2.082 2.273 88.1 25.7 22.0
Brian G. Marsden (C) Copyright 1998 MPC M.P.E.C. 1998-E07
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