Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2017 7 13.  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)
 07/15/2017   23:35:17   ( -81.21,  47.64) 07/15/2017   23:34:13  ( -81.21,  47.72)    1.32                64
 07/16/2017   00:24:43   (  81.22,-144.62) 07/16/2017   00:24:53  (  81.22,-144.69)    1.24                10
 07/18/2017   19:09:31   ( -81.22, 114.23) 07/18/2017   19:08:33  ( -81.21, 114.07)    3.02                58
 07/18/2017   19:58:57   (  81.23, -78.06) 07/18/2017   19:59:12  (  81.23, -78.00)    0.99                15
 07/21/2017   14:43:47   ( -81.21,-179.58) 07/21/2017   14:42:54  ( -81.21,-179.60)    0.54                53
 07/21/2017   15:33:12   (  81.23, -11.53) 07/21/2017   15:33:33  (  81.23, -11.72)    3.22                21
 07/24/2017   10:18:02   ( -81.21,-113.06) 07/24/2017   10:17:14  ( -81.22,-112.90)    2.75                48
 07/24/2017   11:07:27   (  81.23,  54.96) 07/24/2017   11:07:53  (  81.23,  54.94)    0.45                26
 07/27/2017   05:52:16   ( -81.21, -46.57) 07/27/2017   05:51:34  ( -81.22, -46.60)    0.58                42