Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 1 21.  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)
 01/21/2021   06:32:31   ( -70.74,-102.90) 01/21/2021   06:33:40  ( -70.63,-101.21)   63.27                69
 01/21/2021   07:23:04   (  70.05,  65.52) 01/21/2021   07:23:16  (  70.04,  65.57)    2.36                12
 01/21/2021   08:13:45   ( -69.91,-126.96) 01/21/2021   08:12:46  ( -69.92,-126.96)    1.32                59
 01/23/2021   22:49:14   ( -70.10,  13.90) 01/23/2021   22:50:19  ( -70.09,  13.87)    1.78                65
 01/23/2021   23:39:58   (  69.98,-178.61) 01/23/2021   23:39:46  (  69.98,-178.63)    0.80                12
 01/24/2021   00:30:33   ( -69.52, -10.61) 01/24/2021   00:29:21  ( -69.60, -11.53)   36.49                72
 01/26/2021   15:06:09   ( -70.08, 129.70) 01/26/2021   15:06:48  ( -70.08, 129.75)    1.83                39
 01/26/2021   15:56:53   (  69.97, -62.82) 01/26/2021   15:56:15  (  69.98, -62.75)    2.63                38
 01/29/2021   06:32:31   (  70.64,  77.28) 01/29/2021   06:33:40  (  70.57,  78.70)   53.05                69
 01/29/2021   07:23:03   ( -70.02,-114.42) 01/29/2021   07:23:18  ( -70.02,-114.46)    1.51                15
 01/29/2021   08:13:47   (  69.91,  53.05) 01/29/2021   08:12:45  (  69.92,  53.03)    1.17                62
 01/31/2021   22:49:15   (  70.11,-166.10) 01/31/2021   22:50:16  (  70.12,-166.08)    1.58                61
 01/31/2021   23:39:57   ( -70.01,   1.37) 01/31/2021   23:39:46  ( -70.01,   1.40)    1.62                11
 02/01/2021   00:30:31   (  69.37, 169.61) 02/01/2021   00:29:21  (  69.46, 168.29)   52.74                70
 02/03/2021   15:06:09   (  70.05, -50.24) 02/03/2021   15:06:46  (  70.04, -50.31)    2.51                37
 02/03/2021   15:56:51   ( -69.95, 117.23) 02/03/2021   15:56:16  ( -69.94, 117.18)    1.92                35