20180619
  day     Metop-A     22:53:39 - 23:03:26  
          Metop-B     23:52:02 - 00:05:21  
          Metop-A     00:32:11 - 00:45:58  
          NOAA-18     01:02:27 - 01:07:54  
          Metop-B     01:32:29 - 01:44:32  
          NPP       x 02:11:17 - 02:21:45        0s
          Metop-A     02:14:28 - 02:21:54  
          NPP         03:49:12 - 04:03:04  
          NOAA-19     04:47:08 - 04:57:48  
          NPP         05:34:34 - 05:39:44  
          NOAA-19     06:25:28 - 06:39:34  
          NOAA-19     08:11:04 - 08:16:54  
          NOAA-18     09:02:37 - 09:15:09  
          NOAA-18     10:42:33 - 10:56:05  
  night   Metop-A     10:13:12 - 10:24:05  
          Metop-B     11:11:13 - 11:24:41  
          Metop-A     11:51:22 - 12:05:04  
          Metop-B     12:52:32 - 13:03:58  
          NPP         14:33:49 - 14:38:44  
          NPP         16:10:22 - 16:24:13  
          NOAA-19     17:13:06 - 17:18:55  
          NPP         17:51:39 - 18:02:12  
          NOAA-19     18:50:22 - 19:04:37  
          NOAA-19     20:32:05 - 20:43:01  
          NOAA-18     21:27:54 - 21:38:04  
          NOAA-18     23:07:05 - 23:21:05