Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2021 4 22.  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)
 04/24/2021   12:33:40   ( -81.41,-144.19) 04/24/2021   12:32:54  ( -81.41,-144.12)    1.28                46
 04/24/2021   13:23:06   (  81.41,  23.54) 04/24/2021   13:23:34  (  81.40,  23.56)    1.11                28
 04/27/2021   08:07:52   ( -81.42, -77.51) 04/27/2021   08:07:15  ( -81.41, -77.55)    1.68                37
 04/27/2021   08:57:19   (  81.40,  89.81) 04/27/2021   08:57:56  (  81.41,  89.70)    1.82                37
 04/30/2021   03:42:06   ( -81.41, -11.25) 04/30/2021   03:41:38  ( -81.41, -11.40)    2.38                28
 04/30/2021   04:31:33   (  81.39, 156.04) 04/30/2021   04:32:18  (  81.40, 156.21)    3.12                45
 05/02/2021   23:16:20   ( -81.40,  54.96) 05/02/2021   23:16:00  ( -81.41,  55.13)    2.82                20
 05/03/2021   00:05:46   (  81.40,-137.39) 05/03/2021   00:06:40  (  81.40,-137.30)    1.42                54
 05/05/2021   18:50:32   ( -81.40, 121.52) 05/05/2021   18:50:21  ( -81.40, 121.62)    1.80                11