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Table 1

Observation circumstances of (152679) 1998 KU2 .

Date UT Filtera Exp.b V mag c rd Δe αf ϕg
[s] [V] [au] [au] [°] [°]
2015-Jun.-11 15:44:47-15:49:07 RC 60 16.12 1.17813 0.29000 49.804 241.85
2015-Jun.-12 16:40:25-16:44:45 RC 60 16.10 1.17176 0.28511 50.721 241.52
2015-Jun.-12 16:45:00-16:49:20 RC 60 16.10 1.17175 0.28509 50.724 241.51
2015-Jun.-12 16:49:31-16:53:51 RC 60 16.10 1.17173 0.28508 50.727 241.51
2015-Jul.-16 16:23:58-16:30:21 RC 90 16.72 1.02169 0.28037 81.040 249.38
2015-Jul.-16 16:30:43-16:37:07 RC 90 16.72 1.02168 0.28038 81.041 249.38
2015-Jul.-16 16:37:18-16:43:42 RC 90 16.72 1.02167 0.28040 81.042 249.38
2015-Jul.-16 16:43:53-16:50:18 RC 90 16.72 1.02166 0.28041 81.044 249.39
2015-Jul.-16 16:50:34-16:56:57 V 90 16.72 1.02165 0.28043 81.046 249.39
2015-Jul.-16 16:57:09-17:03:33 V 90 16.72 1.02164 0.28044 81.047 249.39
2015-Jul.-16 17:03:44-17:10:08 V 90 16.72 1.02163 0.28046 81.049 249.39
2015-Jul.-16 17:11:00-17:17:25 RC 90 16.72 1.02162 0.28047 81.050 249.39
2015-Jul.-16 17:17:36-17:23:58 RC 90 16.72 1.02161 0.28049 81.052 249.40
2015-Jul.-16 17:24:10-17:30:33 RC 90 16.72 1.02160 0.28050 81.053 249.40

Notes. (a) Employed filters (V : center 545, width 87 nm RC: center 641, width 149 nm). (b) Typical exposure time per frame. (c) Apparent visual magnitude. (d) Heliocentric distance. (e) Geocentric distance. (f) Solar phase angle. (g) Position angle of the scattering plane (in degree E of N).

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