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   ( -81.32,  31.81) 05/13/2018   00:41:16  ( -81.32,  31.75)    1.09                70
 05/13/2018   01:31:52   (  81.33,-160.42) 05/13/2018   01:31:55  (  81.33,-160.35)    1.24                 3
 05/15/2018   20:16:39   ( -81.33,  98.35) 05/15/2018   20:15:33  ( -81.33,  98.46)    1.71                66
 05/15/2018   21:06:05   (  81.33, -93.91) 05/15/2018   21:06:13  (  81.33, -94.04)    2.27                 8
 05/18/2018   15:50:51   ( -81.33, 164.86) 05/18/2018   15:49:50  ( -81.33, 164.75)    1.92                61
 05/18/2018   16:40:17   (  81.34, -27.43) 05/18/2018   16:40:29  (  81.34, -27.36)    1.20                12
 05/21/2018   11:25:04   ( -81.33,-128.67) 05/21/2018   11:24:07  ( -81.33,-128.58)    1.63                57
 05/21/2018   12:14:30   (  81.34,  39.01) 05/21/2018   12:14:47  (  81.33,  38.91)    1.63                17
 05/24/2018   06:59:17   ( -81.33, -62.24) 05/24/2018   06:58:25  ( -81.33, -62.32)    1.43                52