20180514
  day     Metop-B     22:58:46 - 23:08:08  
          Metop-A   x 23:38:18 - 23:51:22        0s
          Metop-B     00:37:07 - 00:50:56  
          Metop-A     01:18:32 - 01:30:58  
          NPP         01:48:03 - 01:55:42  
          Metop-B     02:19:13 - 02:27:09  
          NPP         03:24:11 - 03:38:02  
          NOAA-19     05:00:21 - 05:12:21  
          NPP       x 05:06:53 - 05:16:40        0s
          NOAA-19     06:39:51 - 06:53:32  
          NOAA-18     09:19:24 - 09:33:03  
          NOAA-18     11:00:41 - 11:13:16  
  night   Metop-B     10:18:20 - 10:28:57  
          Metop-A   x 10:57:31 - 11:10:47        0s
          Metop-B     11:56:18 - 12:10:02  
          Metop-A     12:38:23 - 12:50:20  
          NPP         15:45:33 - 15:58:50  
          NOAA-19     17:25:41 - 17:34:59  
          NPP       x 17:26:02 - 17:38:19        0s
          NOAA-19     19:04:28 - 19:18:38  
          NOAA-19     20:46:56 - 20:55:44  
          NOAA-18     21:44:39 - 21:56:54  
          NOAA-18     23:24:46 - 23:38:22