SatTrack V4.8 Shadow Analysis Input file: Shadow.THEMIS_D Object: Object Name : THEMIS D Object Number : 99004 Element Set Number: 0 Reference Orbit : 0 Element Set Epoch : N/A Element Set Age : N/A Launch Date/Time : 17-Feb-2007 2007/048 23:01:00.000 UTC Orbit Geometry : 67509.056 km x 4065.585 km at 4.301 deg Avrg Nodal Period : 1436.372 min Propagation Model : External Ephemeris Shadow Statistics: Begin of Analysis Interval : 13-Feb-2009 2009/044 00:00:00 UTC End of Analysis Interval : 01-Apr-2009 2009/091 11:59:55 UTC Total Time Interval : 47.500 d Time Resolution : 30.000 s Shadow Entry/Exit Condition : 99.0 % of Full Sunlight Number of Shadow Periods : 16 Shortest Gap Between Shadows: 1260.000 min Longest Gap Between Shadows : 1396.500 min Shortest Penumbra Longest Penumbra Average Penumbra Total Penumbra Fraction of Analysis Interval [min] [min] [min] [min] [%] 0.0 83.5 24.3 389.5 0.6 Shortest Umbra Longest Umbra Average Umbra Total Umbra Fraction of Analysis Interval [min] [min] [min] [min] [%] 0.0 174.0 132.3 2117.5 3.1 Shortest Shadow Longest Shadow Average Shadow Total Shadow Fraction of Analysis Interval [min] [min] [min] [min] [%] 27.0 189.5 156.7 2507.0 3.7 Shadow Periods: Shadow Begin - Shadow End Entry Penumbra Exit Penumbra Total Penumbra Total Umbra Total Shadow Depth 2009/076 07:31:00 - 2009/076 07:58:00 UTC 27.0 min 0.0 min 27.0 min 0.0 min 27.0 min 10.5 % 2009/077 07:14:30 - 2009/077 08:38:00 UTC 83.5 min 0.0 min 83.5 min 0.0 min 83.5 min 97.2 % 2009/078 07:11:30 - 2009/078 09:04:30 UTC 19.0 min 18.5 min 37.5 min 75.5 min 113.0 min 100.0 % 2009/079 07:12:30 - 2009/079 09:26:00 UTC 15.0 min 14.0 min 29.0 min 104.5 min 133.5 min 100.0 % 2009/080 07:15:30 - 2009/080 09:45:00 UTC 13.0 min 12.0 min 25.0 min 124.5 min 149.5 min 100.0 % 2009/081 07:20:30 - 2009/081 10:02:00 UTC 11.5 min 10.5 min 22.0 min 139.5 min 161.5 min 100.0 % 2009/082 07:26:30 - 2009/082 10:17:00 UTC 10.5 min 9.5 min 20.0 min 150.5 min 170.5 min 100.0 % 2009/083 07:33:00 - 2009/083 10:31:00 UTC 10.0 min 8.5 min 18.5 min 159.5 min 178.0 min 100.0 % 2009/084 07:40:30 - 2009/084 10:44:00 UTC 9.5 min 8.5 min 18.0 min 165.5 min 183.5 min 100.0 % 2009/085 07:49:00 - 2009/085 10:55:30 UTC 9.0 min 7.5 min 16.5 min 170.0 min 186.5 min 100.0 % 2009/086 07:57:30 - 2009/086 11:06:30 UTC 9.0 min 7.5 min 16.5 min 172.5 min 189.0 min 100.0 % 2009/087 08:06:30 - 2009/087 11:16:00 UTC 8.5 min 7.0 min 15.5 min 174.0 min 189.5 min 100.0 % 2009/088 08:16:00 - 2009/088 11:25:00 UTC 8.5 min 7.0 min 15.5 min 173.5 min 189.0 min 100.0 % 2009/089 08:26:00 - 2009/089 11:33:30 UTC 8.5 min 7.0 min 15.5 min 172.0 min 187.5 min 100.0 % 2009/090 08:36:30 - 2009/090 11:41:00 UTC 8.0 min 6.5 min 14.5 min 170.0 min 184.5 min 100.0 % 2009/091 08:47:00 - 2009/091 11:48:00 UTC 8.5 min 6.5 min 15.0 min 166.0 min 181.0 min 100.0 %