Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 8 2.  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)
 08/03/2021   22:49:42   ( -70.03,  13.88) 08/03/2021   22:50:16  ( -70.03,  13.84)    1.37                34
 08/03/2021   23:40:26   (  69.91,-178.63) 08/03/2021   23:39:43  (  69.93,-178.66)    2.06                43
 08/06/2021   14:16:02   (  70.49, -38.38) 08/06/2021   14:17:12  (  70.37, -37.43)   37.63                70
 08/06/2021   15:06:36   ( -69.98, 129.73) 08/06/2021   15:06:47  ( -69.99, 129.66)    3.23                11
 08/06/2021   15:57:21   (  69.91, -62.86) 08/06/2021   15:56:14  (  69.88, -62.85)    3.21                67
 08/09/2021   06:32:49   (  70.06,  78.05) 08/09/2021   06:33:48  (  70.05,  77.99)    3.00                59
 08/09/2021   07:23:31   ( -69.97,-114.49) 08/09/2021   07:23:18  ( -69.95,-114.52)    3.07                13
 08/09/2021   08:14:04   (  69.27,  53.84) 08/09/2021   08:12:55  (  69.28,  52.22)   63.71                69
 08/11/2021   22:49:43   (  70.07,-166.18) 08/11/2021   22:50:17  (  70.05,-166.13)    2.62                34
 08/11/2021   23:40:24   ( -69.92,   1.35) 08/11/2021   23:39:48  ( -69.90,   1.29)    3.43                36
 08/14/2021   14:16:04   ( -70.70, 141.27) 08/14/2021   14:17:13  ( -70.55, 142.84)   60.07                69
 08/14/2021   15:06:37   (  70.02, -50.34) 08/14/2021   15:06:48  (  70.00, -50.33)    2.32                11
 08/14/2021   15:57:19   ( -69.92, 117.12) 08/14/2021   15:56:18  ( -69.90, 117.17)    2.95                61