20180504
  day     Metop-B     23:05:27 - 23:15:38  
          Metop-A     23:45:23 - 23:51:22 *   -440s
          Metop-B     00:44:09 - 00:57:53  
          Metop-A     01:25:51 - 01:37:53  
          NPP       x 01:36:54 - 01:42:16        0s
          Metop-B     02:26:38 - 02:33:29  
          NPP         03:11:47 - 03:25:27  
          NPP         04:53:34 - 05:04:39  
          NOAA-19     05:14:48 - 05:27:44  
          NOAA-19     06:55:16 - 07:08:25  
          NOAA-18     07:59:20 - 08:05:59  
          NOAA-18     09:35:08 - 09:49:13  
          NOAA-18     11:17:33 - 11:28:47  
  night   Metop-B     10:24:58 - 10:36:09  
          Metop-A     11:04:34 - 11:16:03 *   -119s
          Metop-B     12:03:22 - 12:17:00  
          Metop-A     12:45:53 - 12:57:19  
          NPP         15:33:12 - 15:45:58  
          NPP         17:13:18 - 17:26:11  
          NOAA-19     17:40:02 - 17:51:08  
          NOAA-19     19:19:38 - 19:33:32  
          NOAA-19     21:03:00 - 21:09:10  
          NOAA-18     22:00:19 - 22:13:35  
          NOAA-18     23:41:00 - 23:53:59