Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 3 31.  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)
 03/31/2021   14:15:39   (  70.74, -38.52) 03/31/2021   14:16:48  (  70.68, -37.07)   53.97                69
 03/31/2021   15:06:11   ( -70.13, 129.76) 03/31/2021   15:06:26  ( -70.13, 129.76)    0.90                15
 03/31/2021   15:56:54   (  70.01, -62.74) 03/31/2021   15:55:52  (  70.02, -62.75)    1.37                62
 04/03/2021   06:32:24   (  70.18,  78.13) 04/03/2021   06:33:24  (  70.20,  78.10)    2.22                60
 04/03/2021   07:23:06   ( -70.09,-114.42) 04/03/2021   07:22:54  ( -70.09,-114.42)    0.51                12
 04/03/2021   08:13:40   (  69.44,  53.85) 04/03/2021   08:12:30  (  69.49,  52.39)   57.21                70
 04/05/2021   22:49:20   (  70.15,-166.06) 04/05/2021   22:49:53  (  70.15,-166.08)    1.29                33
 04/05/2021   23:40:02   ( -70.06,   1.40) 04/05/2021   23:39:23  ( -70.05,   1.40)    1.05                39
 04/08/2021   14:15:39   ( -70.60, 141.69) 04/08/2021   14:16:50  ( -70.49, 142.64)   37.20                71
 04/08/2021   15:06:16   (  70.12, -50.25) 04/08/2021   15:06:22  (  70.10, -50.28)    1.78                 6
 04/08/2021   15:56:58   ( -70.02, 117.21) 04/08/2021   15:55:52  ( -70.00, 117.21)    2.49                66
 04/11/2021   06:32:28   ( -70.20,-101.92) 04/11/2021   06:33:23  ( -70.22,-101.88)    2.83                55
 04/11/2021   07:23:12   (  70.09,  65.56) 04/11/2021   07:22:50  (  70.10,  65.60)    2.41                22
 04/11/2021   08:13:40   ( -69.31,-125.98) 04/11/2021   08:12:31  ( -69.34,-127.81)   72.04                69
 04/13/2021   22:49:23   ( -70.17,  13.88) 04/13/2021   22:49:51  ( -70.16,  13.92)    1.68                28
 04/13/2021   23:40:07   (  70.06,-178.64) 04/13/2021   23:39:18  (  70.04,-178.61)    2.36                49