20180522
  day     Metop-A     22:35:14 - 22:41:34  
          Metop-B     23:32:00 - 23:44:25  
          Metop-A     00:12:18 - 00:26:08  
          Metop-B     01:11:48 - 01:24:50  
          Metop-A     01:53:40 - 02:03:37  
          NPP         02:35:11 - 02:47:26  
          NPP         04:14:38 - 04:27:56  
          NOAA-19     05:08:10 - 05:20:33  
          NOAA-19     06:48:04 - 07:01:32  
          NOAA-18     09:26:35 - 09:40:25  
          NOAA-18     11:08:15 - 11:20:25  
  night   Metop-A     09:54:38 - 10:03:29  
          Metop-B     10:51:20 - 11:04:05  
          Metop-A     11:31:25 - 11:45:15  
          Metop-B     12:31:22 - 12:44:05  
          Metop-A     13:14:51 - 13:23:10  
          NPP         14:56:49 - 15:06:34  
          NPP         16:35:26 - 16:49:18  
          NOAA-19     17:33:23 - 17:43:38  
          NPP         18:17:45 - 18:25:27  
          NOAA-19     19:12:33 - 19:26:42  
          NOAA-19     20:55:20 - 21:03:16  
          NOAA-18     21:51:49 - 22:04:25  
          NOAA-18     23:32:09 - 23:45:30