Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 7 8.  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)
 07/08/2021   06:32:49   (  70.07,  78.07) 07/08/2021   06:33:35  (  70.05,  78.00)    3.00                46
 07/08/2021   07:23:31   ( -69.98,-114.48) 07/08/2021   07:23:04  ( -69.99,-114.45)    1.91                27
 07/10/2021   21:59:17   ( -71.05,  24.95) 07/10/2021   22:00:23  ( -70.93,  27.54)   94.87                66
 07/10/2021   22:49:44   (  70.05,-166.14) 07/10/2021   22:50:04  (  70.06,-166.10)    2.08                20
 07/10/2021   23:40:26   ( -69.96,   1.32) 07/10/2021   23:39:34  ( -69.95,   1.37)    1.94                52
 07/13/2021   14:15:55   ( -70.14, 142.18) 07/13/2021   14:17:07  ( -70.12, 142.22)    2.65                72
 07/13/2021   15:06:39   (  70.03, -50.34) 07/13/2021   15:06:34  (  70.01, -50.29)    2.81                 5
 07/13/2021   15:57:18   ( -69.78, 117.36) 07/13/2021   15:56:06  ( -69.80, 117.04)   12.36                72
 07/16/2021   06:32:49   ( -70.07,-101.94) 07/16/2021   06:33:37  ( -70.07,-101.97)    1.06                48
 07/16/2021   07:23:33   (  69.96,  65.53) 07/16/2021   07:23:04  (  69.96,  65.52)    0.44                29
 07/18/2021   21:59:16   (  70.94,-154.88) 07/18/2021   22:00:23  (  70.83,-152.59)   84.33                67
 07/18/2021   22:49:43   ( -70.05,  13.85) 07/18/2021   22:50:05  ( -70.07,  13.92)    3.29                22
 07/18/2021   23:40:26   (  69.89,-178.60) 07/18/2021   23:39:33  (  69.90,-178.68)    3.12                53
 07/21/2021   14:15:55   (  70.09, -37.75) 07/21/2021   14:17:05  (  70.11, -37.77)    3.08                70
 07/21/2021   15:06:37   ( -69.98, 129.73) 07/21/2021   15:06:35  ( -70.01, 129.72)    3.48                 2
 07/21/2021   15:57:17   (  69.67, -62.49) 07/21/2021   15:56:05  (  69.73, -63.03)   21.83                72