20180618
  day     Metop-B     22:36:24 - 22:40:43  
          Metop-A     23:13:37 - 23:25:21  
          Metop-B     00:12:35 - 00:26:21  
          Metop-A     00:53:03 - 01:06:25  
          Metop-B     01:53:42 - 02:04:17  
          NPP         02:29:09 - 02:41:01  
          NPP         04:08:13 - 04:21:43  
          NOAA-19     04:58:06 - 05:09:41  
          NOAA-19     06:37:10 - 06:51:05  
          NOAA-18     09:13:54 - 09:27:01  
          NOAA-18     10:54:32 - 11:07:35  
  night   Metop-B     09:55:26 - 10:03:27  
          Metop-A     10:33:02 - 10:45:16  
          Metop-B     11:31:42 - 11:45:30  
          Metop-A     12:12:26 - 12:25:37  
          Metop-B     13:14:33 - 13:23:50  
          NPP         14:50:53 - 14:59:46  
          NPP         16:29:08 - 16:43:03  
          NOAA-19     17:23:35 - 17:31:56  
          NPP         18:11:09 - 18:19:43  
          NOAA-19     19:01:55 - 19:16:13  
          NOAA-19     20:44:03 - 20:53:52  
          NOAA-18     21:39:07 - 21:50:27  
          NOAA-18     23:18:49 - 23:32:37