Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2017 7 10.  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, -19.05)    0.95                69
 07/13/2017   04:50:27   (  81.23, 149.12) 07/13/2017   04:50:32  (  81.22, 148.94)    3.04                 5
 07/15/2017   23:35:17   ( -81.21,  47.64) 07/15/2017   23:34:13  ( -81.21,  47.69)    0.85                64
 07/16/2017   00:24:43   (  81.22,-144.65) 07/16/2017   00:24:53  (  81.22,-144.75)    1.66                10
 07/18/2017   19:09:31   ( -81.22, 114.25) 07/18/2017   19:08:32  ( -81.22, 114.41)    2.80                59
 07/18/2017   19:58:57   (  81.23, -78.07) 07/18/2017   19:59:12  (  81.23, -78.07)    0.29                15
 07/21/2017   14:43:47   ( -81.21,-179.54) 07/21/2017   14:42:54  ( -81.21,-179.65)    1.73                53
 07/21/2017   15:33:12   (  81.23, -11.52) 07/21/2017   15:33:32  (  81.23, -11.40)    2.00                20
 07/24/2017   10:18:02   ( -81.22,-112.99) 07/24/2017   10:17:14  ( -81.22,-112.96)    0.63                48