20180505
  day     Metop-B     22:46:00 - 22:53:08  
          Metop-A     23:25:00 - 23:37:23  
          Metop-B     00:23:25 - 00:37:15  
          Metop-A     01:04:47 - 01:17:49  
          Metop-B     02:04:54 - 02:14:29  
          NPP         02:53:22 - 03:06:29  
          NPP         04:33:57 - 04:46:23  
          NOAA-19     05:03:39 - 05:15:58  
          NOAA-19     06:43:25 - 06:57:00  
          NOAA-18     09:23:39 - 09:37:28  
          NOAA-18     11:05:18 - 11:17:29  
  night   Metop-B     10:05:28 - 10:14:47  
          Metop-A     10:44:19 - 10:57:04  
          Metop-B     11:42:32 - 11:56:22  
          Metop-A     12:24:20 - 12:37:05  
          Metop-B     13:26:22 - 13:34:00  
          NPP         15:14:52 - 15:26:27  
          NPP         16:54:19 - 17:07:50  
          NOAA-19     17:28:57 - 17:38:49  
          NOAA-19     19:08:00 - 19:22:04  
          NOAA-19     20:50:41 - 20:58:48  
          NOAA-18     21:48:52 - 22:01:32  
          NOAA-18     23:29:11 - 23:42:38