Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2018 5 8.  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)
 05/10/2018   05:08:26   ( -81.01, -39.50) 05/10/2018   05:07:12  ( -81.17, -39.93)   18.47                74
 05/10/2018   05:57:39   (  81.32, 133.01) 05/10/2018   05:57:38  (  81.33, 132.91)    1.69                 1
 05/10/2018   06:47:05   ( -81.34, -59.07) 05/10/2018   06:48:17  ( -81.34, -58.95)    2.18                72
 05/13/2018   00:42:26   ( -81.32,  31.85) 05/13/2018   00:41:16  ( -81.32,  31.77)    1.28                70
 05/13/2018   01:31:52   (  81.33,-160.43) 05/13/2018   01:31:55  (  81.33,-160.36)    1.15                 3
 05/15/2018   20:16:39   ( -81.33,  98.41) 05/15/2018   20:15:33  ( -81.33,  98.49)    1.44                66
 05/15/2018   21:06:05   (  81.33, -93.90) 05/15/2018   21:06:13  (  81.33, -94.05)    2.53                 8
 05/18/2018   15:50:52   ( -81.32, 164.56) 05/18/2018   15:49:51  ( -81.32, 164.41)    2.46                61
 05/18/2018   16:40:17   (  81.34, -27.39) 05/18/2018   16:40:29  (  81.34, -27.35)    0.75                12
 05/21/2018   11:25:05   ( -81.32,-128.94) 05/21/2018   11:24:08  ( -81.32,-128.90)    0.84                57