Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2021 4 24.  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   12:33:39   ( -81.42,-143.99) 04/24/2021   12:32:53  ( -81.41,-143.92)    1.68                46
 04/24/2021   13:23:06   (  81.40,  23.37) 04/24/2021   13:23:34  (  81.41,  23.39)    0.57                28
 04/27/2021   08:07:53   ( -81.41, -77.69) 04/27/2021   08:07:16  ( -81.41, -77.73)    0.73                37
 04/27/2021   08:57:19   (  81.41,  90.03) 04/27/2021   08:57:56  (  81.40,  89.93)    2.26                37
 04/30/2021   03:42:06   ( -81.40, -11.42) 04/30/2021   03:41:38  ( -81.42, -11.57)    2.89                28
 04/30/2021   04:31:32   (  81.40, 156.27) 04/30/2021   04:32:17  (  81.40, 156.45)    3.03                45
 05/02/2021   23:16:19   ( -81.41,  55.20) 05/02/2021   23:15:59  ( -81.40,  55.36)    2.95                20
 05/03/2021   00:05:46   (  81.39,-137.52) 05/03/2021   00:06:40  (  81.40,-137.45)    1.63                54
 05/05/2021   18:50:33   ( -81.40, 121.39) 05/05/2021   18:50:22  ( -81.40, 121.48)    1.57                11