Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2018 4 27.  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)
 04/28/2018   23:40:46   (  81.32,-132.67) 04/28/2018   23:40:28  (  81.32,-132.82)    2.62                18
 04/29/2018   00:30:12   ( -81.34,  35.25) 04/29/2018   00:31:07  ( -81.34,  35.35)    1.69                55
 05/01/2018   19:15:00   (  81.32, -66.38) 05/01/2018   19:14:46  (  81.32, -66.45)    1.22                14
 05/01/2018   20:04:26   ( -81.33, 101.56) 05/01/2018   20:05:25  ( -81.34, 101.75)    3.11                59
 05/04/2018   14:49:12   (  81.33,   0.26) 05/04/2018   14:49:02  (  81.33,   0.31)    0.85                10
 05/04/2018   15:38:38   ( -81.35, 168.23) 05/04/2018   15:39:42  ( -81.34, 168.13)    1.88                64
 05/07/2018   10:23:25   (  81.34,  66.86) 05/07/2018   10:23:19  (  81.34,  67.05)    3.09                 6
 05/07/2018   11:12:52   ( -81.34,-125.52) 05/07/2018   11:14:00  ( -81.34,-125.52)    0.27                68
 05/10/2018   05:08:26   ( -81.02, -39.37) 05/10/2018   05:07:12  ( -81.17, -39.78)   17.87                74
 05/10/2018   05:57:39   (  81.32, 133.05) 05/10/2018   05:57:38  (  81.33, 132.98)    1.17                 1