Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2018 4 29.  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)
 05/01/2018   19:14:59   (  81.33, -66.11) 05/01/2018   19:14:45  (  81.33, -66.17)    1.13                14
 05/01/2018   20:04:25   ( -81.35, 101.82) 05/01/2018   20:05:24  ( -81.34, 102.01)    3.24                59
 05/04/2018   14:49:13   (  81.32,   0.15) 05/04/2018   14:49:03  (  81.33,   0.20)    0.87                10
 05/04/2018   15:38:39   ( -81.34, 168.10) 05/04/2018   15:39:43  ( -81.34, 168.00)    1.78                64
 05/07/2018   10:23:25   (  81.33,  66.76) 05/07/2018   10:23:19  (  81.33,  66.93)    2.92                 6
 05/07/2018   11:12:52   ( -81.33,-125.64) 05/07/2018   11:14:00  ( -81.34,-125.64)    0.68                68
 05/10/2018   05:08:26   ( -81.02, -39.47) 05/10/2018   05:07:12  ( -81.17, -39.90)   18.31                74
 05/10/2018   05:57:38   (  81.34, 133.33) 05/10/2018   05:57:37  (  81.33, 133.26)    1.46                 1
 05/10/2018   06:47:05   ( -81.34, -59.04) 05/10/2018   06:48:17  ( -81.34, -58.91)    2.24                72
 05/13/2018   00:42:26   ( -81.32,  31.85) 05/13/2018   00:41:16  ( -81.32,  31.78)    1.23                70