20180509
  day     Metop-B     23:02:06 - 23:11:54  
          Metop-A     23:41:51 - 23:55:02  
          NOAA-18   x 00:36:25 - 00:45:11        0s
          Metop-B     00:40:38 - 00:54:25  
          Metop-A     01:22:11 - 01:34:26  
          NPP         01:42:25 - 01:49:02  
          Metop-B     02:22:55 - 02:30:20  
          NPP         03:17:58 - 03:31:45  
          NOAA-19     04:20:08 - 04:28:10  
          NPP         05:00:12 - 05:10:41  
          NOAA-19     05:56:50 - 06:10:53  
          NOAA-19     07:40:04 - 07:49:56  
          NOAA-18     08:38:34 - 08:50:02  
          NOAA-18   x 10:17:23 - 10:31:32        0s
  night   Metop-B     10:21:39 - 10:32:33  
          Metop-A     11:01:02 - 11:14:25  
          Metop-B     11:59:50 - 12:13:32  
          Metop-A     12:42:08 - 12:53:50  
          NPP         15:39:22 - 15:52:25  
          NPP         17:19:40 - 17:32:15  
          NOAA-19     18:21:53 - 18:35:29  
          NOAA-19     20:02:55 - 20:15:16  
          NOAA-18     21:04:17 - 21:11:45  
          NOAA-18   * 22:50:42 - 22:56:28     -505s