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, -66.13) 05/01/2018   19:14:45  (  81.33, -66.20)    1.18                14
 05/01/2018   20:04:25   ( -81.35, 101.78) 05/01/2018   20:05:24  ( -81.34, 101.97)    3.08                59
 05/04/2018   14:49:13   (  81.32,   0.14) 05/04/2018   14:49:03  (  81.33,   0.17)    0.71                10
 05/04/2018   15:38:39   ( -81.34, 168.08) 05/04/2018   15:39:43  ( -81.34, 167.96)    2.09                64
 05/07/2018   10:23:26   (  81.33,  66.76) 05/07/2018   10:23:20  (  81.33,  66.90)    2.44                 6
 05/07/2018   11:12:53   ( -81.33,-125.65) 05/07/2018   11:14:01  ( -81.33,-125.68)    0.83                68
 05/10/2018   05:08:30   ( -80.91, -40.86) 05/10/2018   05:07:16  ( -81.11, -41.43)   23.82                74
 05/10/2018   05:57:38   (  81.34, 133.35) 05/10/2018   05:57:37  (  81.33, 133.23)    2.22                 1
 05/10/2018   06:47:05   ( -81.34, -59.03) 05/10/2018   06:48:17  ( -81.34, -58.95)    1.38                72
 05/13/2018   00:42:26   ( -81.33,  31.88) 05/13/2018   00:41:16  ( -81.32,  31.74)    2.47                70