Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2018 5 14.  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)
 05/15/2018   20:16:38   ( -81.33,  98.44) 05/15/2018   20:15:32  ( -81.33,  98.54)    1.71                66
 05/15/2018   21:06:04   (  81.34, -93.79) 05/15/2018   21:06:12  (  81.33, -93.93)    2.41                 8
 05/18/2018   15:50:52   ( -81.32, 164.57) 05/18/2018   15:49:51  ( -81.32, 164.44)    2.18                61
 05/18/2018   16:40:17   (  81.34, -27.31) 05/18/2018   16:40:29  (  81.34, -27.25)    1.05                12
 05/21/2018   11:25:05   ( -81.32,-128.95) 05/21/2018   11:24:08  ( -81.32,-128.89)    1.13                57
 05/21/2018   12:14:30   (  81.34,  39.13) 05/21/2018   12:14:47  (  81.34,  39.01)    2.19                17
 05/24/2018   06:59:17   ( -81.32, -62.51) 05/24/2018   06:58:25  ( -81.32, -62.64)    2.27                52
 05/24/2018   07:48:42   (  81.34, 105.55) 05/24/2018   07:49:03  (  81.34, 105.65)    1.68                21
 05/27/2018   02:33:29   ( -81.34,   4.28) 05/27/2018   02:32:41  ( -81.33,   4.37)    1.55                48