MPEC 1998-S46 : 1998 SG36
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M.P.E.C. 1998-S46 Issued 1998 Sept. 30, 15:15 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 SG36
Observations:
J98S36G C1998 09 18.40853 01 43 02.16 +06 01 34.0 18.2 R 699
J98S36G C1998 09 18.43266 01 43 00.89 +06 01 05.1 699
J98S36G C1998 09 18.45751 01 42 59.36 +06 00 37.3 699
J98S36G C1998 09 24.35338 01 37 16.74 +04 03 50.6 18.5 R 699
J98S36G C1998 09 24.37822 01 37 15.00 +04 03 21.3 699
J98S36G C1998 09 24.40306 01 37 13.45 +04 02 49.6 699
J98S36G* C1998 09 26.29384 01 35 11.99 +03 24 05.4 18.7 704
J98S36G C1998 09 26.31049 01 35 10.92 +03 23 45.3 19.5 704
J98S36G C1998 09 26.32712 01 35 09.74 +03 23 24.9 19.6 704
J98S36G C1998 09 26.34374 01 35 08.64 +03 23 03.5 19.5 704
J98S36G C1998 09 26.36038 01 35 07.38 +03 22 44.7 19.3 704
J98S36G C1998 09 27.38517 01 33 59.30 +03 01 35.6 18.4 704
J98S36G C1998 09 27.40242 01 33 58.08 +03 01 13.3 19.1 704
J98S36G C1998 09 27.41966 01 33 56.85 +03 00 52.3 19.0 704
J98S36G C1998 09 27.43692 01 33 55.63 +03 00 32.2 19.2 704
J98S36G C1998 09 27.45415 01 33 54.40 +03 00 08.6 19.5 704
J98S36G C1998 09 29.30505 01 31 48.55 +02 21 41.4 18.7 704
J98S36G C1998 09 29.31732 01 31 47.79 +02 21 27.6 19.1 704
J98S36G C1998 09 29.32973 01 31 46.97 +02 21 12.9 19.2 704
J98S36G C1998 09 29.34211 01 31 46.03 +02 20 56.3 19.4 704
J98S36G C1998 09 29.35438 01 31 45.14 +02 20 42.2 18.9 704
J98S36G C1998 09 29.45730 01 31 37.77 +02 18 31.2 658
J98S36G C1998 09 29.46440 01 31 37.25 +02 18 22.0 658
J98S36G C1998 09 29.46955 01 31 36.89 +02 18 15.6 658
J98S36G C1998 09 29.67201 01 31 22.88 +02 14 12.7 18.4 R 422
J98S36G C1998 09 29.67265 01 31 22.85 +02 14 12.0 18.2 R 422
J98S36G C1998 09 29.67412 01 31 22.74 +02 14 10.0 17.8 R 422
J98S36G C1998 09 29.67488 01 31 22.73 +02 14 08.7 18.3 R 422
J98S36G C1998 09 29.70378 01 31 20.65 +02 13 34.3 18.2 R 426
J98S36G C1998 09 29.70771 01 31 20.39 +02 13 28.3 18.4 R 426
J98S36G C1998 09 29.71194 01 31 20.07 +02 13 23.5 18.3 R 426
J98S36G C1998 09 30.02855 01 30 58.06 +02 06 35.5 18.7 V 046
J98S36G C1998 09 30.02970 01 30 57.97 +02 06 34.4 046
J98S36G C1998 09 30.03155 01 30 57.80 +02 06 31.7 046
J98S36G C1998 09 30.03309 01 30 57.70 +02 06 30.0 046
J98S36G C1998 09 30.04421 01 30 56.95 +02 06 16.6 557
J98S36G C1998 09 30.04654 01 30 56.78 +02 06 13.8 557
J98S36G C1998 09 30.04887 01 30 56.61 +02 06 10.9 557
J98S36G C1998 09 30.05844 01 30 55.93 +02 05 58.8 18.4 V 557
J98S36G C1998 09 30.33037 01 30 37.02 +02 00 18.5 658
J98S36G C1998 09 30.33310 01 30 36.86 +02 00 14.9 658
J98S36G C1998 09 30.33878 01 30 36.42 +02 00 07.9 658
Observer details:
046 Klet. Observers M. Tichy, Z. Moravec. Measurer M. Tichy. 0.57-m f/5.2
reflector + CCD.
422 Loomberah. Observer G. J. Garradd. 0.45-m f/5.4 reflector + CCD.
426 Woomera. Observer F. B. Zoltowski. 0.30-m f/3.3 Schmidt-Cassegrain + CCD.
557 Ondrejov. Observer L. Sarounova. 0.65-m f/3.6 reflector + CCD.
658 Dominion Astrophysical Observatory. Observer D. D. Balam. 1.82-m
reflector + CCD.
699 Lowell Observatory-LONEOS. Observer B. A. Skiff. Measurer B. W. Koehn.
0.59-m LONEOS Schmidt + 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 SG36
Epoch 1998 Sept. 24.0 TT = JDT 2451080.5 Williams
M 138.25092 (2000.0) P Q
n 0.46697260 Peri. 29.94683 -0.80834839 +0.58673465
a 1.6454137 Node 186.62592 -0.58803579 -0.80862312
e 0.3354370 Incl. 24.64625 -0.02804971 +0.04325626
P 2.11 H 16.0 G 0.15
From 42 observations 1998 Sept. 18-30.
Ephemeris:
1998 SG36 a,e,i = 1.65, 0.34, 25 q = 1.0935
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 09 24 01 37.65 +04 11.1 1.159 2.115 156.0 11.1 18.6
1998 09 29 01 32.16 +02 28.1 1.148 2.124 162.2 8.3 18.5
1998 10 04 01 26.22 +00 43.8 1.144 2.133 167.7 5.7 18.4
1998 10 09 01 20.02 -00 59.3 1.148 2.140 170.9 4.2 18.3
1998 10 14 01 13.76 -02 38.6 1.160 2.148 169.4 4.9 18.4
1998 10 19 01 07.65 -04 11.8 1.178 2.155 164.5 7.1 18.5
1998 10 24 01 01.89 -05 36.6 1.204 2.161 158.6 9.7 18.7
1998 10 29 00 56.66 -06 51.7 1.237 2.167 152.4 12.3 18.9
1998 11 03 00 52.09 -07 56.2 1.276 2.172 146.3 14.7 19.0
1998 11 08 00 48.27 -08 49.8 1.320 2.177 140.4 16.9 19.2
1998 11 13 00 45.26 -09 32.7 1.370 2.181 134.6 18.8 19.3
1998 11 23 00 41.77 -10 28.5 1.480 2.188 123.7 22.0 19.6
1998 12 03 00 41.58 -10 49.2 1.602 2.193 113.8 24.3 19.9
1998 12 13 00 44.34 -10 41.8 1.730 2.196 104.6 25.7 20.1
1998 12 23 00 49.69 -10 12.3 1.862 2.197 96.2 26.4 20.3
1999 01 02 00 57.24 -09 25.9 1.993 2.196 88.3 26.6 20.4
1999 01 12 01 06.62 -08 26.9 2.121 2.193 81.0 26.3 20.5
1999 01 22 01 17.55 -07 18.5 2.243 2.188 74.1 25.6 20.6
1999 02 01 01 29.80 -06 03.6 2.358 2.180 67.5 24.7 20.7
1999 02 11 01 43.17 -04 44.5 2.464 2.171 61.3 23.5 20.8
1999 02 21 01 57.55 -03 22.9 2.561 2.160 55.5 22.2 20.8
1999 03 03 02 12.82 -02 00.7 2.646 2.146 49.9 20.7 20.8
1999 03 13 02 28.89 -00 39.3 2.720 2.131 44.6 19.1 20.8
1999 03 23 02 45.73 +00 39.9 2.782 2.113 39.7 17.5 20.8
1999 04 02 03 03.29 +01 55.6 2.832 2.093 35.0 15.9 20.7
1999 04 12 03 21.53 +03 06.6 2.870 2.072 30.7 14.3 20.7
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-S46
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