20180531
  day     Metop-A     22:47:42 - 22:56:34  
          Metop-B     23:45:28 - 23:58:32  
          Metop-A     00:25:51 - 00:39:41  
          Metop-B     01:25:42 - 01:38:08  
          Metop-A     02:07:46 - 02:16:12  
          NPP         03:05:39 - 03:19:10  
          NPP         04:47:00 - 04:58:38  
          NOAA-19     05:04:51 - 05:16:58  
          NOAA-19     06:44:28 - 06:58:05  
          NOAA-18     09:22:21 - 09:35:59  
          NOAA-18   x 11:03:40 - 11:16:11        0s
  night   Metop-A     10:07:16 - 10:17:33  
          Metop-B     11:04:42 - 11:17:58  
          Metop-A     11:44:59 - 11:58:47  
          Metop-B     12:45:35 - 12:57:30  
          Metop-A     13:30:04 - 13:35:27  
          NPP         15:27:06 - 15:39:31  
          NPP         17:06:59 - 17:20:07  
          NOAA-19     17:30:07 - 17:39:50  
          NOAA-19     19:09:02 - 19:23:16  
          NOAA-19     20:51:34 - 21:00:13  
          NOAA-18     21:47:35 - 21:59:48  
          NOAA-18   x 23:27:43 - 23:41:14        0s