Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2017 7 12.  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)
 07/13/2017   04:01:02   ( -81.20, -19.00) 07/13/2017   03:59:53  ( -81.20, -19.04)    0.78                69
 07/13/2017   04:50:27   (  81.23, 149.14) 07/13/2017   04:50:32  (  81.22, 148.97)    2.92                 5
 07/15/2017   23:35:17   ( -81.21,  47.62) 07/15/2017   23:34:13  ( -81.21,  47.70)    1.32                64
 07/16/2017   00:24:43   (  81.22,-144.64) 07/16/2017   00:24:53  (  81.22,-144.72)    1.28                10
 07/18/2017   19:09:31   ( -81.22, 114.22) 07/18/2017   19:08:33  ( -81.21, 114.05)    3.03                58
 07/18/2017   19:58:57   (  81.22, -78.08) 07/18/2017   19:59:12  (  81.23, -78.03)    0.98                15
 07/21/2017   14:43:47   ( -81.21,-179.60) 07/21/2017   14:42:54  ( -81.21,-179.62)    0.63                53
 07/21/2017   15:33:12   (  81.23, -11.55) 07/21/2017   15:33:33  (  81.23, -11.75)    3.32                21
 07/24/2017   10:18:02   ( -81.21,-113.08) 07/24/2017   10:17:14  ( -81.22,-112.93)    2.61                48