20180519
  day     Metop-B     22:55:28 - 23:04:21  
          Metop-A     23:34:46 - 23:47:41  
          NOAA-18     00:19:45 - 00:30:18  
          Metop-B     00:33:37 - 00:47:27  
          Metop-A     01:14:54 - 01:27:29  
          NPP         01:53:47 - 02:02:17  
          Metop-B     02:15:32 - 02:23:57  
          NPP         03:30:25 - 03:44:19  
          NOAA-19     04:06:56 - 04:11:53  
          NPP         05:13:38 - 05:22:36  
          NOAA-19     05:41:58 - 05:55:43  
          NOAA-19     07:24:01 - 07:35:31  
          NOAA-18     08:23:33 - 08:33:29  
          NOAA-18     10:01:16 - 10:13:32 *   -122s
          NOAA-18     11:45:39 - 11:51:16 *   -153s
  night   Metop-B     10:15:02 - 10:25:20  
          Metop-A     10:54:00 - 11:07:10  
          Metop-B     11:52:46 - 12:06:33  
          Metop-A     12:34:39 - 12:46:50  
          Metop-B     13:37:55 - 13:43:09  
          NPP         15:51:44 - 16:05:14  
          NPP         17:32:25 - 17:44:20  
          NOAA-19     18:07:03 - 18:20:02  
          NOAA-19     19:47:34 - 20:00:47  
          NOAA-18     22:26:20 - 22:35:15 *   -301s