MPEC 1998-S29 : 1998 SB15
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M.P.E.C. 1998-S29 Issued 1998 Sept. 25, 14:00 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 SB15
Observations:
J98S15B* C1998 09 21.27867 00 19 49.94 -18 25 47.2 18.6 704
J98S15B C1998 09 21.30090 00 19 43.69 -18 24 28.3 19.2 704
J98S15B C1998 09 21.32305 00 19 37.34 -18 23 10.5 19.4 704
J98S15B C1998 09 21.35411 00 19 28.50 -18 21 18.3 18.9 704
J98S15B C1998 09 21.37627 00 19 22.13 -18 20 00.9 19.1 704
J98S15B C1998 09 21.98495 00 16 41.06 -17 43 22.7 557
J98S15B C1998 09 21.98611 00 16 40.78 -17 43 18.2 557
J98S15B C1998 09 21.98728 00 16 40.44 -17 43 13.8 557
J98S15B C1998 09 21.99841 00 16 38.98 -17 42 19.9 954
J98S15B C1998 09 21.99990 00 16 38.55 -17 42 14.4 954
J98S15B C1998 09 22.00041 00 16 38.41 -17 42 12.6 954
J98S15B C1998 09 22.58184 00 13 59.21 -17 04 54.7 18.3 R 422
J98S15B C1998 09 22.58271 00 13 58.95 -17 04 51.5 18.4 R 422
J98S15B C1998 09 22.58392 00 13 58.61 -17 04 46.6 18.3 R 422
J98S15B C1998 09 22.95327 00 12 16.74 -16 42 08.7 557
J98S15B C1998 09 22.95660 00 12 15.74 -16 41 55.5 557
J98S15B C1998 09 22.95771 00 12 15.45 -16 41 51.2 557
J98S15B C1998 09 22.95883 00 12 15.13 -16 41 47.1 17.9 V 557
J98S15B C1998 09 23.57023 00 09 24.81 -16 00 11.7 17.5 R 426
J98S15B C1998 09 23.57451 00 09 23.53 -15 59 54.4 17.4 R 426
J98S15B C1998 09 23.57889 00 09 22.18 -15 59 36.8 17.3 R 426
J98S15B C1998 09 23.92367 00 07 43.95 -15 37 22.1 18.2 V 046
J98S15B C1998 09 23.92457 00 07 43.63 -15 37 18.2 046
J98S15B C1998 09 23.92547 00 07 43.41 -15 37 14.9 046
J98S15B C1998 09 23.92625 00 07 43.16 -15 37 12.0 046
J98S15B C1998 09 23.95855 00 07 33.34 -15 34 59.3 557
J98S15B C1998 09 23.95948 00 07 33.07 -15 34 55.3 557
J98S15B C1998 09 23.96042 00 07 32.75 -15 34 51.9 557
J98S15B C1998 09 23.96135 00 07 32.52 -15 34 48.3 18.0 V 557
J98S15B C1998 09 24.15817 00 06 38.78 -15 21 01.6 18.5 704
J98S15B C1998 09 24.18056 00 06 31.96 -15 19 27.0 17.9 704
J98S15B C1998 09 24.20308 00 06 25.16 -15 17 55.5 17.4 704
J98S15B C1998 09 24.22548 00 06 18.28 -15 16 21.8 17.1 704
J98S15B C1998 09 24.24788 00 06 11.36 -15 14 48.7 17.6 704
J98S15B C1998 09 24.25249 00 06 09.90 -15 14 30.6 18.1 704
J98S15B C1998 09 24.27496 00 06 02.94 -15 12 56.6 18.0 704
J98S15B C1998 09 24.29731 00 05 56.05 -15 11 24.3 18.0 704
J98S15B C1998 09 24.31951 00 05 49.14 -15 09 49.3 18.2 704
J98S15B C1998 09 24.34162 00 05 42.34 -15 08 14.2 18.7 704
J98S15B C1998 09 24.55171 00 04 43.82 -14 52 25.4 17.0 R 426
J98S15B C1998 09 24.55539 00 04 42.71 -14 52 09.8 16.9 R 426
J98S15B C1998 09 24.55944 00 04 41.45 -14 51 52.9 17.1 R 426
J98S15B C1998 09 24.94105 00 02 49.13 -14 25 47.2 17.7 R 046
J98S15B C1998 09 24.94218 00 02 48.82 -14 25 42.6 046
J98S15B C1998 09 24.94310 00 02 48.50 -14 25 38.9 046
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. Observers P. Pravec, L. Sarounova, M. Wolf. 0.65-m f/3.6
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.
954 Teide Observatory. Observer R. Casas. 1.0-m f/13 reflector + CCD.
Orbital elements:
1998 SB15
Epoch 1998 Sept. 4.0 TT = JDT 2451060.5 Williams
M 288.06063 (2000.0) P Q
n 0.72632983 Peri. 67.52785 +0.27275928 -0.96154025
a 1.2256886 Node 6.88724 +0.75367732 +0.19269278
e 0.1609253 Incl. 15.62158 +0.59797397 +0.19572899
P 1.36 H 21.0 G 0.15
From 45 observations 1998 Sept. 21-24.
Ephemeris:
1998 SB15 a,e,i = 1.23, 0.16, 16 q = 1.0284
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 09 24 00 07.36 -15 31.3 0.146 1.145 164.1 13.9 17.9
1998 09 29 23 42.12 -09 03.2 0.135 1.133 165.1 13.1 17.7
1998 10 04 23 15.17 -01 21.9 0.129 1.121 158.3 19.2 17.8
1998 10 09 22 48.30 +06 50.9 0.128 1.110 148.0 28.5 18.0
1998 10 14 22 23.20 +14 43.9 0.133 1.099 137.3 38.0 18.3
1998 10 19 22 01.10 +21 40.5 0.142 1.088 127.6 46.5 18.7
1998 10 24 21 42.62 +27 29.6 0.153 1.079 119.5 53.4 19.0
1998 10 29 21 27.73 +32 17.6 0.167 1.069 112.9 58.9 19.4
1998 11 03 21 16.05 +36 17.1 0.182 1.061 107.6 63.0 19.7
1998 11 08 21 07.06 +39 40.1 0.196 1.054 103.3 66.2 19.9
1998 11 13 21 00.35 +42 35.9 0.211 1.047 99.9 68.6 20.1
1998 11 18 20 55.59 +45 12.6 0.225 1.041 97.2 70.4 20.3
1998 11 23 20 52.48 +47 36.1 0.238 1.037 95.1 71.6 20.5
1998 11 28 20 50.77 +49 51.2 0.250 1.033 93.5 72.4 20.6
1998 12 03 20 50.23 +52 01.0 0.261 1.030 92.4 72.9 20.7
1998 12 08 20 50.76 +54 07.5 0.271 1.029 91.6 73.2 20.8
1998 12 13 20 52.39 +56 12.6 0.279 1.028 91.1 73.2 20.8
1998 12 18 20 55.22 +58 18.8 0.285 1.029 91.0 72.9 20.9
1998 12 23 20 59.39 +60 28.0 0.290 1.031 91.1 72.5 20.9
1998 12 28 21 05.10 +62 42.4 0.294 1.034 91.6 71.9 20.9
1999 01 02 21 12.73 +65 03.2 0.296 1.038 92.3 71.2 20.9
1999 01 07 21 23.00 +67 31.4 0.297 1.043 93.3 70.2 20.9
1999 01 12 21 37.2 +70 08.0 0.297 1.049 94.5 69.1 20.9
1999 01 17 21 57.6 +72 53.1 0.295 1.056 96.0 67.9 20.9
1999 01 22 22 28.3 +75 43.6 0.293 1.064 97.7 66.4 20.8
1999 01 27 23 17.6 +78 28.7 0.291 1.073 99.7 64.8 20.8
1999 02 01 00 39.8 +80 38.1 0.289 1.082 101.9 63.0 20.7
1999 02 06 02 38.6 +81 09.8 0.287 1.092 104.2 61.1 20.7
1999 02 11 04 31.7 +79 17.6 0.286 1.103 106.5 59.1 20.6
1999 02 16 05 46.6 +75 33.6 0.287 1.114 108.8 57.1 20.6
1999 02 21 06 32.7 +70 46.7 0.289 1.126 111.0 55.1 20.6
1999 02 26 07 03.40 +65 26.3 0.294 1.137 112.9 53.3 20.6
1999 03 03 07 25.65 +59 49.8 0.302 1.150 114.4 51.7 20.6
1999 03 08 07 43.09 +54 09.3 0.313 1.162 115.4 50.5 20.7
1999 03 13 07 57.63 +48 34.6 0.328 1.175 115.9 49.6 20.8
1999 03 18 08 10.37 +43 13.1 0.345 1.187 115.9 49.0 20.9
1999 03 23 08 21.99 +38 09.8 0.366 1.200 115.4 48.6 21.0
1999 03 28 08 32.85 +33 27.7 0.390 1.212 114.5 48.5 21.2
1999 04 02 08 43.20 +29 07.6 0.417 1.225 113.2 48.6 21.4
1999 04 07 08 53.19 +25 09.3 0.446 1.237 111.8 48.7 21.5
1999 04 12 09 02.95 +21 31.2 0.477 1.250 110.2 48.8 21.7
1999 04 17 09 12.59 +18 11.6 0.510 1.262 108.5 49.0 21.9
1999 04 22 09 22.16 +15 08.5 0.545 1.274 106.7 49.1 22.0
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-S29
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