20180630
  day     Metop-B     23:24:47 - 23:36:46  
          Metop-A     00:04:16 - 00:18:02  
          NOAA-18     00:33:03 - 00:42:53  
          Metop-B     01:04:20 - 01:17:37  
          Metop-A     01:45:23 - 01:55:58  
          NPP         02:05:24 - 02:15:16  
          NPP         03:42:54 - 03:56:49  
          NOAA-19     04:22:31 - 04:29:58  
          NPP         05:27:22 - 05:34:11  
          NOAA-19     05:58:48 - 06:12:54  
          NOAA-19     07:41:37 - 07:52:14  
          NOAA-18     08:36:18 - 08:46:41  
          NOAA-18     10:14:28 - 10:28:33  
  night   Metop-A     09:47:08 - 09:55:06  
          Metop-B     10:44:10 - 10:56:36  
          Metop-A     11:23:22 - 11:37:11  
          Metop-B     12:23:47 - 12:36:50  
          Metop-A     13:06:12 - 13:15:32  
          NPP         16:04:08 - 16:17:54  
          NPP         17:45:12 - 17:56:16  
          NOAA-19     18:23:56 - 18:37:30  
          NOAA-19     20:04:48 - 20:17:36  
          NOAA-18     21:02:32 - 21:07:09  
          NOAA-18     22:39:20 - 22:53:22