Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2017 5 30.  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   (  81.20,-127.90) 05/31/2017   23:15:25  (  81.20,-127.89)    0.36                67
 06/01/2017   00:05:58   ( -81.22,  40.03) 06/01/2017   00:06:04  ( -81.22,  40.05)    0.45                 6
 06/03/2017   18:50:48   (  81.19, -61.60) 06/03/2017   18:49:45  (  81.20, -61.48)    2.11                63
 06/03/2017   19:40:14   ( -81.21, 106.36) 06/03/2017   19:40:24  ( -81.22, 106.48)    2.11                10
 06/06/2017   14:25:04   (  81.21,   5.04) 06/06/2017   14:24:06  (  81.20,   4.92)    2.26                58
 06/06/2017   15:14:30   ( -81.23, 173.02) 06/06/2017   15:14:45  ( -81.22, 172.89)    2.47                15
 06/09/2017   09:59:21   (  81.19,  71.27) 06/09/2017   09:58:27  (  81.20,  71.29)    0.55                54
 06/09/2017   10:48:47   ( -81.22,-120.72) 06/09/2017   10:49:06  ( -81.22,-120.72)    0.16                19
 06/12/2017   05:33:36   (  81.20, 137.85) 06/12/2017   05:32:46  (  81.21, 138.03)    3.20                50