Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 1 30.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-20) NOAA-20 Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 01/31/2021   22:49:16   (  70.11,-166.12) 01/31/2021   22:50:17  (  70.11,-166.10)    1.07                61
 01/31/2021   23:39:57   ( -69.97,   1.42) 01/31/2021   23:39:47  ( -69.99,   1.37)    2.74                10
 02/01/2021   00:30:32   (  69.38, 169.60) 02/01/2021   00:29:22  (  69.45, 168.27)   52.52                70
 02/03/2021   15:06:09   (  70.06, -50.25) 02/03/2021   15:06:46  (  70.03, -50.33)    3.62                37
 02/03/2021   15:56:51   ( -69.96, 117.21) 02/03/2021   15:56:15  ( -69.98, 117.23)    1.79                36
 02/06/2021   06:32:30   ( -70.68,-102.78) 02/06/2021   06:33:39  ( -70.61,-101.26)   56.70                69
 02/06/2021   07:23:04   (  70.05,  65.53) 02/06/2021   07:23:14  (  70.07,  65.60)    3.13                10
 02/06/2021   08:13:45   ( -69.90,-126.93) 02/06/2021   08:12:45  ( -69.90,-127.00)    2.79                60
 02/08/2021   22:49:14   ( -70.10,  13.92) 02/08/2021   22:50:17  ( -70.09,  13.87)    2.13                63
 02/08/2021   23:39:58   (  69.99,-178.61) 02/08/2021   23:39:44  (  69.98,-178.64)    1.69                14
 02/09/2021   00:30:31   ( -69.42, -10.44) 02/09/2021   00:29:21  ( -69.49, -11.68)   49.04                70
 02/11/2021   15:06:09   ( -70.09, 129.70) 02/11/2021   15:06:46  ( -70.06, 129.71)    3.57                37
 02/11/2021   15:56:52   (  69.94, -62.75) 02/11/2021   15:56:13  (  69.95, -62.81)    2.45                39