Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2021 7 12.  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   ( -81.37, -59.20) 07/12/2021   06:53:32  ( -81.36, -59.26)    1.53                31
 07/12/2021   07:43:30   (  81.36, 108.21) 07/12/2021   07:44:13  (  81.36, 108.12)    1.54                43
 07/15/2021   02:28:18   ( -81.35,   6.97) 07/15/2021   02:27:53  ( -81.37,   6.82)    2.98                25
 07/15/2021   03:17:44   (  81.36, 174.73) 07/15/2021   03:18:33  (  81.35, 174.56)    3.06                49
 07/17/2021   22:02:33   ( -81.36,  73.50) 07/17/2021   22:02:13  ( -81.35,  73.64)    2.66                20
 07/17/2021   22:52:00   (  81.34,-119.16) 07/17/2021   22:52:54  (  81.35,-119.02)    2.50                54
 07/20/2021   17:36:48   ( -81.36, 139.98) 07/20/2021   17:36:34  ( -81.35, 140.07)    2.13                14
 07/20/2021   18:26:15   (  81.34, -52.71) 07/20/2021   18:27:15  (  81.35, -52.61)    1.63                60
 07/23/2021   13:11:03   ( -81.34,-153.95) 07/23/2021   13:10:55  ( -81.36,-153.91)    1.98                 8