20180609
  day     Metop-A     23:00:33 - 23:11:05  
          Metop-B     23:58:59 - 00:12:30  
          Metop-A     00:39:25 - 00:53:06  
          Metop-B     01:39:39 - 01:51:16  
          NPP         01:59:34 - 02:08:48  
          Metop-A     02:22:08 - 02:28:23  
          NPP         03:36:39 - 03:50:35  
          NOAA-19     05:01:27 - 05:13:19  
          NPP         05:20:27 - 05:28:27  
          NOAA-19     06:40:48 - 06:54:34  
          NOAA-18     09:18:06 - 09:31:30  
          NOAA-18     10:59:05 - 11:11:54  
  night   Metop-B     09:43:10 - 09:48:50  
          Metop-A     10:20:04 - 10:31:27  
          Metop-B     11:18:08 - 11:31:45  
          Metop-A     11:58:39 - 12:12:14  
          Metop-B     12:59:56 - 13:10:45  
          NPP         15:57:56 - 16:11:35  
          NOAA-19     17:26:48 - 17:35:54  
          NPP         17:38:49 - 17:50:19  
          NOAA-19     19:05:27 - 19:19:44  
          NOAA-19     20:47:46 - 20:57:03  
          NOAA-18     21:43:20 - 21:55:08  
          NOAA-18     23:23:16 - 23:36:55