Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2021 7 11.  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)
 07/12/2021   06:54:03   ( -81.36, -59.31) 07/12/2021   06:53:32  ( -81.36, -59.37)    1.00                31
 07/12/2021   07:43:30   (  81.35, 108.09) 07/12/2021   07:44:13  (  81.36, 108.00)    1.86                43
 07/15/2021   02:28:18   ( -81.37,   7.25) 07/15/2021   02:27:53  ( -81.36,   7.10)    2.85                25
 07/15/2021   03:17:45   (  81.35, 174.62) 07/15/2021   03:18:34  (  81.36, 174.45)    2.86                49
 07/17/2021   22:02:33   ( -81.35,  73.39) 07/17/2021   22:02:13  ( -81.35,  73.55)    2.63                20
 07/17/2021   22:52:00   (  81.34,-119.28) 07/17/2021   22:52:54  (  81.35,-119.12)    3.09                54
 07/20/2021   17:36:48   ( -81.36, 139.88) 07/20/2021   17:36:34  ( -81.35, 139.98)    1.83                14
 07/20/2021   18:26:15   (  81.34, -52.82) 07/20/2021   18:27:15  (  81.35, -52.71)    2.29                60
 07/23/2021   13:11:03   ( -81.36,-153.66) 07/23/2021   13:10:55  ( -81.35,-153.60)    1.52                 8