Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2021 1 21.  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   17:12:16   (  81.43, -32.94) 01/21/2021   17:11:06  (  81.44, -33.03)    2.00                70
 01/21/2021   18:01:43   ( -81.42, 134.60) 01/21/2021   18:01:46  ( -81.43, 134.64)    1.13                 3
 01/24/2021   12:46:31   (  81.43,  33.56) 01/24/2021   12:45:28  (  81.43,  33.53)    0.56                63
 01/24/2021   13:35:58   ( -81.43,-158.89) 01/24/2021   13:36:08  ( -81.42,-158.78)    1.79                10
 01/27/2021   08:20:45   (  81.43, 100.01) 01/27/2021   08:19:49  (  81.43, 100.08)    1.17                56
 01/27/2021   09:10:12   ( -81.43, -92.40) 01/27/2021   09:10:30  ( -81.43, -92.60)    3.23                18
 01/30/2021   03:55:00   (  81.43, 166.43) 01/30/2021   03:54:11  (  81.42, 166.62)    3.21                49
 01/30/2021   04:44:27   ( -81.43, -25.96) 01/30/2021   04:44:52  ( -81.42, -26.04)    1.47                25
 02/01/2021   23:29:15   (  81.43,-127.19) 02/01/2021   23:28:34  (  81.43,-127.25)    1.01                41