20180507
  day     Metop-A     22:45:08 - 22:53:29  
          Metop-B     23:42:19 - 23:55:14  
          Metop-A     00:23:04 - 00:36:55  
          NOAA-18     01:01:24 - 01:05:58  
          Metop-B     01:22:27 - 01:35:02  
          Metop-A     02:04:50 - 02:13:40  
          NPP         02:17:12 - 02:28:13  
          NPP         03:55:32 - 04:09:18  
          NOAA-19     04:41:37 - 04:52:15  
          NOAA-19     06:19:58 - 06:34:01  
          NOAA-19     08:05:40 - 08:11:16  
          NOAA-18     09:00:55 - 09:13:51  
          NOAA-18     10:41:09 - 10:54:38  
  night   Metop-A     10:04:41 - 10:14:40  
          Metop-B     11:01:34 - 11:14:44  
          Metop-A     11:42:11 - 11:56:01  
          Metop-B     12:42:14 - 12:54:23  
          Metop-A     13:26:47 - 13:33:04  
          NPP         14:39:18 - 14:46:00  
          NPP         16:16:37 - 16:30:32  
          NOAA-19     17:07:38 - 17:13:12  
          NPP         17:58:08 - 18:08:04  
          NOAA-19     18:44:52 - 18:58:56  
          NOAA-19     20:26:37 - 20:37:18  
          NOAA-18     21:26:15 - 21:37:03  
          NOAA-18     23:05:40 - 23:19:42