20180616
  day     Metop-B     23:14:55 - 23:26:06  
          Metop-A   x 23:54:24 - 00:07:59        0s
          Metop-B     00:54:04 - 01:07:38  
          Metop-A     01:35:11 - 01:46:33  
          Metop-B     02:37:21 - 02:42:06  
          NPP         03:05:38 - 03:19:08  
          NPP         04:46:58 - 04:58:36  
          NOAA-19     05:20:21 - 05:33:17  
          NOAA-19     07:00:48 - 07:13:58  
          NOAA-18     08:01:29 - 08:06:57  
          NOAA-18     09:36:43 - 09:50:36  
          NOAA-18     11:18:50 - 11:30:21  
  night   Metop-A   x 09:38:14 - 09:44:31        0s
          Metop-B     10:34:22 - 10:46:14  
          Metop-A   x 11:13:32 - 11:27:13        0s
          Metop-B     12:13:23 - 12:26:47  
          Metop-A     12:55:33 - 13:06:04  
          NPP         15:27:04 - 15:39:29  
          NPP         17:06:57 - 17:20:05  
          NOAA-19     17:45:32 - 17:56:50  
          NOAA-19     19:25:08 - 19:39:13  
          NOAA-19     21:08:24 - 21:14:59  
          NOAA-18     22:01:52 - 22:14:46  
          NOAA-18     23:42:24 - 23:55:27