Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and METOP-A
TLE Epoch: 2021 1 20.  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, -32.73) 01/21/2021   17:11:05  (  81.43, -32.82)    1.59                70
 01/21/2021   18:01:42   ( -81.43, 134.82) 01/21/2021   18:01:45  ( -81.42, 134.86)    1.11                 3
 01/24/2021   12:46:30   (  81.44,  33.77) 01/24/2021   12:45:27  (  81.43,  33.74)    1.41                63
 01/24/2021   13:35:58   ( -81.42,-159.05) 01/24/2021   13:36:08  ( -81.43,-158.95)    2.04                10
 01/27/2021   08:20:46   (  81.42,  99.84) 01/27/2021   08:19:50  (  81.43,  99.90)    1.51                56
 01/27/2021   09:10:13   ( -81.42, -92.57) 01/27/2021   09:10:30  ( -81.42, -92.38)    3.19                17
 01/30/2021   03:55:00   (  81.42, 166.26) 01/30/2021   03:54:11  (  81.43, 166.44)    3.08                49
 01/30/2021   04:44:27   ( -81.42, -26.12) 01/30/2021   04:44:52  ( -81.43, -26.21)    1.57                25
 02/01/2021   23:29:15   (  81.42,-127.35) 02/01/2021   23:28:34  (  81.43,-127.42)    1.81                41