20180623
  day     Metop-A     23:10:07 - 23:21:35  
          Metop-B     00:09:05 - 00:22:49  
          NOAA-18   x 00:13:35 - 00:24:57        0s
          Metop-A     00:49:25 - 01:02:53  
          Metop-B     01:50:05 - 02:00:58  
          NPP         02:35:10 - 02:47:24  
          NPP         04:14:36 - 04:27:55  
          NOAA-19     05:39:29 - 05:53:08  
          NOAA-19     07:21:02 - 07:33:13  
          NOAA-18     08:18:36 - 08:27:03  
          NOAA-18   * 10:01:15 - 10:09:37     -345s
          NOAA-18   * 11:43:29 - 11:48:32     -273s
  night   Metop-B     09:52:14 - 09:59:45  
          Metop-A     10:29:33 - 10:41:37  
          Metop-B     11:28:12 - 11:41:59  
          Metop-A     12:08:46 - 12:22:04  
          Metop-B     13:10:46 - 13:20:30  
          NPP         14:56:48 - 15:06:31  
          NPP         16:35:24 - 16:49:16  
          NOAA-19     18:04:38 - 18:17:19  
          NPP       * 18:18:49 - 18:25:27      -66s
          NOAA-19     19:44:54 - 19:58:31  
          NOAA-18     22:20:32 - 22:34:10