Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2021 1 19.  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)
 01/21/2021   17:12:15   (  81.44, -32.65) 01/21/2021   17:11:05  (  81.43, -32.74)    1.75                70
 01/21/2021   18:01:43   ( -81.42, 134.51) 01/21/2021   18:01:46  ( -81.43, 134.55)    1.72                 3
 01/24/2021   12:46:31   (  81.42,  33.45) 01/24/2021   12:45:28  (  81.43,  33.43)    1.25                63
 01/24/2021   13:35:58   ( -81.42,-158.97) 01/24/2021   13:36:08  ( -81.43,-158.86)    1.83                10
 01/27/2021   08:20:46   (  81.43,  99.91) 01/27/2021   08:19:50  (  81.43,  99.98)    1.23                56
 01/27/2021   09:10:13   ( -81.42, -92.49) 01/27/2021   09:10:30  ( -81.42, -92.29)    3.26                17
 01/30/2021   03:55:00   (  81.43, 166.34) 01/30/2021   03:54:11  (  81.42, 166.52)    3.02                49
 01/30/2021   04:44:27   ( -81.42, -26.04) 01/30/2021   04:44:52  ( -81.42, -26.12)    1.45                25
 02/01/2021   23:29:15   (  81.42,-127.26) 02/01/2021   23:28:34  (  81.43,-127.34)    1.45                41