20180506
  day     Metop-A     23:04:51 - 23:15:43  
          Metop-B     00:02:47 - 00:16:22  
          Metop-A     00:43:52 - 00:57:29  
          Metop-B     01:43:34 - 01:54:56  
          Metop-A     02:26:50 - 02:32:23  
          NPP         02:35:10 - 02:47:25  
          NPP         04:14:37 - 04:27:55  
          NOAA-19     04:52:34 - 05:04:08  
          NOAA-19     06:31:39 - 06:45:32  
          NOAA-18     09:12:15 - 09:25:41  
          NOAA-18     10:53:10 - 11:06:06  
  night   Metop-B     09:46:35 - 09:52:57  
          Metop-A     10:24:20 - 10:35:58  
          Metop-B     11:21:56 - 11:35:37  
          Metop-A     12:03:08 - 12:16:38  
          Metop-B     13:03:59 - 13:14:27  
          NPP         14:56:48 - 15:06:34  
          NPP         16:35:25 - 16:49:17  
          NOAA-19     17:18:05 - 17:26:14  
          NPP         18:17:45 - 18:25:25  
          NOAA-19     18:56:25 - 19:10:32  
          NOAA-19     20:38:35 - 20:48:08  
          NOAA-18     21:37:30 - 21:49:22  
          NOAA-18     23:17:24 - 23:31:13