Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2018 5 12.  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)
 05/13/2018   00:42:26   ( -81.31,  31.62) 05/13/2018   00:41:16  ( -81.32,  31.54)    1.32                70
 05/13/2018   01:31:51   (  81.34,-160.23) 05/13/2018   01:31:54  (  81.34,-160.16)    1.31                 3
 05/15/2018   20:16:39   ( -81.32,  98.16) 05/15/2018   20:15:33  ( -81.32,  98.25)    1.62                66
 05/15/2018   21:06:04   (  81.34, -93.72) 05/15/2018   21:06:12  (  81.34, -93.85)    2.42                 8
 05/18/2018   15:50:52   ( -81.32, 164.67) 05/18/2018   15:49:51  ( -81.32, 164.54)    2.09                61
 05/18/2018   16:40:18   (  81.33, -27.62) 05/18/2018   16:40:30  (  81.33, -27.57)    1.23                12
 05/21/2018   11:25:04   ( -81.32,-128.86) 05/21/2018   11:24:07  ( -81.33,-128.79)    1.14                57
 05/21/2018   12:14:30   (  81.33,  38.82) 05/21/2018   12:14:47  (  81.33,  38.70)    2.09                17
 05/24/2018   06:59:17   ( -81.32, -62.42) 05/24/2018   06:58:25  ( -81.32, -62.54)    2.02                52