Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2021 7 13.  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)
 07/15/2021   02:28:18   ( -81.36,   7.17) 07/15/2021   02:27:53  ( -81.36,   7.01)    2.70                25
 07/15/2021   03:17:45   (  81.35, 174.56) 07/15/2021   03:18:34  (  81.36, 174.38)    3.09                49
 07/17/2021   22:02:34   ( -81.35,  73.32) 07/17/2021   22:02:14  ( -81.36,  73.46)    2.51                20
 07/17/2021   22:52:00   (  81.35,-118.95) 07/17/2021   22:52:54  (  81.34,-118.81)    2.67                54
 07/20/2021   17:36:48   ( -81.35, 139.82) 07/20/2021   17:36:34  ( -81.35, 139.90)    1.32                14
 07/20/2021   18:26:14   (  81.36, -52.48) 07/20/2021   18:27:14  (  81.34, -52.40)    2.25                60
 07/23/2021   13:11:03   ( -81.35,-153.71) 07/23/2021   13:10:55  ( -81.35,-153.68)    0.66                 8
 07/23/2021   14:00:30   (  81.34,  13.57) 07/23/2021   14:01:36  (  81.35,  13.62)    1.90                66
 07/26/2021   07:55:55   (  81.27, 103.53) 07/26/2021   07:54:44  (  81.45, 102.00)   32.43                71
 07/26/2021   08:45:18   ( -81.35, -87.28) 07/26/2021   08:45:16  ( -81.35, -87.28)    0.60                 2