Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2017 5 31.  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)
 05/31/2017   23:16:32   (  81.19,-128.16) 05/31/2017   23:15:25  (  81.19,-128.16)    0.52                67
 06/01/2017   00:05:58   ( -81.20,  39.76) 06/01/2017   00:06:04  ( -81.21,  39.77)    0.69                 6
 06/03/2017   18:50:48   (  81.20, -61.49) 06/03/2017   18:49:45  (  81.20, -61.37)    2.09                63
 06/03/2017   19:40:14   ( -81.22, 106.45) 06/03/2017   19:40:24  ( -81.22, 106.58)    2.12                10
 06/06/2017   14:25:05   (  81.19,   4.78) 06/06/2017   14:24:07  (  81.19,   4.64)    2.28                58
 06/06/2017   15:14:31   ( -81.21, 172.75) 06/06/2017   15:14:46  ( -81.21, 172.60)    2.44                15
 06/09/2017   09:59:21   (  81.20,  71.39) 06/09/2017   09:58:27  (  81.20,  71.40)    0.29                54
 06/09/2017   10:48:47   ( -81.22,-120.62) 06/09/2017   10:49:06  ( -81.22,-120.62)    0.21                19
 06/12/2017   05:33:36   (  81.21, 137.97) 06/12/2017   05:32:46  (  81.21, 138.15)    3.07                50