MPEC 1998-S30 : 1998 SC15
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Read MPEC 1998-S29
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M.P.E.C. 1998-S30 Issued 1998 Sept. 25, 14:04 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 SC15
Observations:
J98S15C* C1998 09 23.13307 22 26 49.10 +15 55 27.8 19.1 704
J98S15C C1998 09 23.15644 22 26 45.60 +15 54 32.9 20.0 704
J98S15C C1998 09 23.17980 22 26 41.91 +15 53 36.6 20.1 704
J98S15C C1998 09 23.20409 22 26 38.29 +15 52 40.6 19.7 704
J98S15C C1998 09 23.22750 22 26 34.67 +15 51 44.1 19.9 704
J98S15C C1998 09 23.81611 22 25 10.63 +15 28 09.8 18.4 V 046
J98S15C C1998 09 23.81738 22 25 10.37 +15 28 06.5 046
J98S15C C1998 09 23.81863 22 25 10.13 +15 28 04.2 046
J98S15C C1998 09 23.82005 22 25 09.97 +15 28 01.4 046
J98S15C C1998 09 23.82396 22 25 09.52 +15 27 51.4 18.4 R 611
J98S15C CC1998 09 23.82743 22 25 08.99 +15 27 42.7 18.1 R 611
J98S15C C1998 09 23.83264 22 25 08.23 +15 27 30.8 611
J98S15C C1998 09 23.91338 22 24 56.18 +15 24 16.3 18.6 R 587
J98S15C C1998 09 23.91796 22 24 55.35 +15 24 05.1 587
J98S15C C1998 09 23.98779 22 24 44.80 +15 21 13.2 557
J98S15C C1998 09 23.98988 22 24 44.49 +15 21 08.5 18.8 V 557
J98S15C C1998 09 24.15832 22 24 21.52 +15 14 23.4 19.2 704
J98S15C C1998 09 24.18071 22 24 18.14 +15 13 30.5 20.2 704
J98S15C C1998 09 24.20323 22 24 14.61 +15 12 36.0 19.5 704
J98S15C C1998 09 24.24803 22 24 07.94 +15 10 44.0 19.4 704
J98S15C C1998 09 24.31853 22 23 57.60 +15 07 46.3 658
J98S15C C1998 09 24.32132 22 23 57.13 +15 07 39.2 658
J98S15C C1998 09 24.33153 22 23 55.57 +15 07 13.3 658
J98S15C C1998 09 24.52939 22 23 27.79 +14 59 35.4 19.1 R 426
J98S15C C1998 09 24.53594 22 23 26.83 +14 59 18.7 18.7 R 426
J98S15C C1998 09 24.54251 22 23 25.82 +14 59 02.1 18.6 R 426
J98S15C C1998 09 24.91197 22 22 32.64 +14 43 10.1 18.4 V 046
J98S15C C1998 09 24.91324 22 22 32.39 +14 43 07.1 046
J98S15C C1998 09 24.91458 22 22 32.19 +14 43 03.6 046
J98S15C C1998 09 25.04119 22 22 13.40 +14 37 43.1 557
J98S15C C1998 09 25.04271 22 22 13.15 +14 37 39.9 557
J98S15C C1998 09 25.04422 22 22 12.88 +14 37 34.7 19.2 V 557
Observer details:
046 Klet. Observers M. Tichy, Z. Moravec. Measurer M. Tichy. 0.57-m f/5.2
reflector + CCD.
426 Woomera. Observer F. B. Zoltowski. 0.30-m f/3.3 Schmidt-Cassegrain + CCD.
557 Ondrejov. Observers P. Pravec, L. Sarounova. 0.65-m f/3.6 reflector
+ CCD.
587 Sormano. Observers F. Manca, P. Sicoli. 0.5-m reflector + CCD.
611 Starkenburg. Observers M. Busch, R. Stoss. 0.45-m f/4.4 reflector + CCD.
658 Dominion Astrophysical Observatory. Observer G. C. L. Aikman. 1.82-m
reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko. Measurers J. Stuart, H. Viggh, R. Sayer. 1.0-m f/2.15
reflector + CCD.
Orbital elements:
1998 SC15 PHA 0.004
Epoch 1998 Sept. 24.0 TT = JDT 2451080.5 Williams
M 287.29509 (2000.0) P Q
n 0.68170685 Peri. 277.84594 -0.43338977 -0.89666873
a 1.2786086 Node 198.65949 +0.89726569 -0.41995909
e 0.4208479 Incl. 16.39835 +0.08418780 -0.14006979
P 1.45 H 19.5 G 0.15
From 32 observations 1998 Sept. 23-25.
Ephemeris:
1998 SC15 a,e,i = 1.28, 0.42, 16 q = 0.7405
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 09 24 22 24.73 +15 21.0 0.371 1.341 151.5 20.9 19.0
1998 09 29 22 12.90 +11 41.1 0.351 1.310 146.9 24.7 19.0
1998 10 04 22 01.71 +07 31.2 0.336 1.279 140.8 29.7 19.0
1998 10 09 21 51.58 +02 59.6 0.326 1.246 133.7 35.4 19.0
1998 10 14 21 42.81 -01 44.4 0.319 1.213 126.1 41.7 19.1
1998 10 19 21 35.63 -06 31.8 0.316 1.179 118.4 48.0 19.2
1998 10 24 21 30.08 -11 15.4 0.315 1.145 110.8 54.3 19.3
1998 10 29 21 26.10 -15 51.3 0.315 1.110 103.5 60.5 19.4
1998 11 03 21 23.48 -20 18.1 0.317 1.075 96.5 66.5 19.5
1998 11 08 21 21.89 -24 37.0 0.318 1.040 89.8 72.4 19.6
1998 11 13 21 20.97 -28 50.0 0.319 1.004 83.4 78.2 19.8
1998 11 18 21 20.24 -33 00.4 0.320 0.970 77.2 84.0 19.9
1998 11 23 21 19.08 -37 11.4 0.320 0.935 71.3 89.8 20.1
1998 11 28 21 16.61 -41 25.8 0.319 0.902 65.5 95.7 20.2
1998 12 03 21 11.57 -45 44.5 0.318 0.871 59.9 101.7 20.4
1998 12 13 20 46.46 -54 14.5 0.317 0.814 49.3 113.6 20.9
1998 12 23 19 46.86 -60 37.4 0.323 0.771 41.2 122.8 21.5
1999 01 02 18 21.72 -61 05.3 0.343 0.746 38.4 125.0 21.8
1999 01 12 17 24.43 -55 34.8 0.380 0.742 41.3 118.9 21.5
1999 01 22 17 07.20 -48 08.9 0.428 0.760 47.1 108.6 21.1
1999 02 01 17 12.12 -41 06.9 0.479 0.798 53.4 97.8 20.9
1999 02 11 17 26.56 -34 56.1 0.526 0.851 59.5 88.3 20.9
1999 02 21 17 43.99 -29 26.8 0.563 0.913 65.6 80.3 20.9
1999 03 03 18 01.14 -24 23.5 0.589 0.981 71.7 73.5 20.9
1999 03 13 18 16.34 -19 34.4 0.604 1.052 78.1 67.6 20.9
1999 03 23 18 28.44 -14 51.0 0.609 1.122 85.0 62.2 20.9
1999 04 02 18 36.62 -10 08.3 0.605 1.191 92.5 57.0 20.8
1999 04 12 18 40.15 -05 24.4 0.596 1.257 100.6 51.6 20.8
1999 04 22 18 38.21 -00 41.7 0.585 1.321 109.5 45.9 20.7
1999 05 02 18 30.24 +03 50.8 0.576 1.381 118.8 39.8 20.6
1999 05 12 18 16.16 +07 56.6 0.574 1.437 128.0 33.6 20.5
1999 05 22 17 56.84 +11 12.7 0.584 1.490 136.3 28.0 20.4
1999 06 01 17 34.61 +13 16.9 0.608 1.538 141.7 24.1 20.5
1999 06 11 17 12.60 +14 00.2 0.649 1.583 143.0 22.7 20.6
1999 06 21 16 53.74 +13 29.7 0.708 1.623 140.0 23.7 20.9
1999 07 01 16 39.84 +12 04.5 0.782 1.660 134.4 25.9 21.2
1999 07 11 16 31.30 +10 05.6 0.868 1.693 127.7 28.4 21.6
1999 07 21 16 27.80 +07 49.4 0.965 1.722 120.7 30.5 21.9
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-S30
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