orbit epoch 00:15 00:15 02:13 02:13 04:10 04:10 06:07 06:07 08:04 08:04 10:01 10:01 11:59 11:59 13:56 13:56 15:53 15:53 17:50 17:50 19:48 19:48 21:45 21:45 23:42 23:42