Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2018 5 7.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(METOP-A) METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 05/07/2018   10:23:26   (  81.32,  66.61) 05/07/2018   10:23:20  (  81.33,  66.77)    2.75                 6
 05/07/2018   11:12:52   ( -81.34,-125.49) 05/07/2018   11:14:00  ( -81.34,-125.49)    0.17                68
 05/10/2018   05:08:26   ( -81.03, -39.33) 05/10/2018   05:07:12  ( -81.17, -39.74)   17.76                74
 05/10/2018   05:57:39   (  81.33, 133.19) 05/10/2018   05:57:38  (  81.33, 133.11)    1.31                 1
 05/10/2018   06:47:05   ( -81.35, -58.89) 05/10/2018   06:48:17  ( -81.35, -58.74)    2.44                72
 05/13/2018   00:42:26   ( -81.31,  31.64) 05/13/2018   00:41:16  ( -81.32,  31.59)    0.93                70
 05/13/2018   01:31:51   (  81.34,-160.27) 05/13/2018   01:31:54  (  81.34,-160.17)    1.73                 3
 05/15/2018   20:16:39   ( -81.32,  98.17) 05/15/2018   20:15:33  ( -81.32,  98.31)    2.33                66
 05/15/2018   21:06:04   (  81.34, -93.76) 05/15/2018   21:06:12  (  81.33, -93.84)    1.63                 8
 05/18/2018   15:50:52   ( -81.32, 164.68) 05/18/2018   15:49:51  ( -81.32, 164.63)    0.87                61