Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2018 3 23.  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)
 03/23/2018   10:05:19   ( -81.31,-108.80) 03/23/2018   10:05:16  ( -81.32,-108.61)    3.29                 3
 03/23/2018   10:54:45   (  81.32,  58.96) 03/23/2018   10:55:56  (  81.32,  59.01)    0.96                71
 03/26/2018   04:50:06   (  81.30, 149.74) 03/26/2018   04:48:55  (  81.30, 149.55)    3.16                71
 03/26/2018   05:39:32   ( -81.32, -42.31) 03/26/2018   05:39:34  ( -81.31, -42.38)    1.26                 2
 03/29/2018   00:24:20   (  81.30,-143.83) 03/29/2018   00:23:13  (  81.30,-143.90)    1.32                67
 03/29/2018   01:13:46   ( -81.32,  24.15) 03/29/2018   01:13:52  ( -81.32,  24.20)    0.91                 6
 03/31/2018   19:58:34   (  81.30, -77.42) 03/31/2018   19:57:31  (  81.30, -77.38)    0.90                63
 03/31/2018   20:48:00   ( -81.32,  90.58) 03/31/2018   20:48:10  ( -81.32,  90.76)    3.16                10
 04/03/2018   15:32:46   (  81.32, -10.66) 04/03/2018   15:31:47  (  81.32, -10.50)    2.84                59