orbit epoch 00:02 00:02 01:59 01:59 03:56 03:56 05:54 05:54 07:51 07:51 09:48 09:48 11:45 11:45 13:42 13:42 15:40 15:40 17:37 17:37 19:34 19:34 21:31 21:31 23:28 23:28