Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2021 4 29.  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)
 04/30/2021   03:42:06   ( -81.40, -11.40) 04/30/2021   03:41:38  ( -81.42, -11.52)    2.44                28
 04/30/2021   04:31:32   (  81.41, 156.35) 04/30/2021   04:32:18  (  81.41, 156.15)    3.33                46
 05/02/2021   23:16:19   ( -81.41,  55.20) 05/02/2021   23:16:00  ( -81.41,  55.01)    3.13                19
 05/03/2021   00:05:46   (  81.40,-137.46) 05/03/2021   00:06:40  (  81.40,-137.35)    1.93                54
 05/05/2021   18:50:33   ( -81.40, 121.38) 05/05/2021   18:50:22  ( -81.40, 121.53)    2.65                11
 05/05/2021   19:39:58   (  81.40, -70.93) 05/05/2021   19:41:01  (  81.40, -70.87)    1.12                63
 05/08/2021   13:35:22   (  81.32,  18.75) 05/08/2021   13:34:12  (  81.50,  16.76)   38.16                70
 05/08/2021   14:24:45   ( -81.40,-172.10) 05/08/2021   14:24:43  ( -81.40,-171.97)    2.25                 2
 05/08/2021   15:14:11   (  81.40,  -4.43) 05/08/2021   15:15:23  (  81.39,  -4.40)    1.37                72
 05/11/2021   09:09:31   (  81.40,  86.74) 05/11/2021   09:08:25  (  81.41,  86.77)    0.61                66