Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 6 28.  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)
 06/30/2021   06:32:48   ( -70.10,-101.97) 06/30/2021   06:33:35  ( -70.09,-101.96)    0.99                47
 06/30/2021   07:23:32   (  69.99,  65.51) 06/30/2021   07:23:02  (  69.99,  65.54)    1.09                30
 07/02/2021   21:59:16   (  70.96,-154.89) 07/02/2021   22:00:23  (  70.83,-152.62)   84.05                67
 07/02/2021   22:49:43   ( -70.07,  13.84) 07/02/2021   22:50:05  ( -70.06,  13.88)    1.90                22
 07/02/2021   23:40:27   (  69.96,-178.69) 07/02/2021   23:39:32  (  69.96,-178.62)    2.45                55
 07/05/2021   14:15:56   (  70.15, -37.83) 07/05/2021   14:17:05  (  70.14, -37.77)    2.70                69
 07/05/2021   15:06:38   ( -70.05, 129.64) 07/05/2021   15:06:35  ( -70.03, 129.71)    3.51                 3
 07/05/2021   15:57:17   (  69.68, -62.49) 07/05/2021   15:56:05  (  69.76, -63.02)   22.19                72
 07/08/2021   06:32:49   (  70.08,  78.05) 07/08/2021   06:33:34  (  70.10,  78.06)    2.02                45
 07/08/2021   07:23:31   ( -69.97,-114.48) 07/08/2021   07:23:04  ( -69.99,-114.46)    1.98                27
 07/10/2021   21:59:17   ( -71.05,  24.95) 07/10/2021   22:00:23  ( -70.93,  27.53)   94.75                66
 07/10/2021   22:49:44   (  70.06,-166.15) 07/10/2021   22:50:04  (  70.05,-166.12)    1.63                20
 07/10/2021   23:40:26   ( -69.95,   1.32) 07/10/2021   23:39:34  ( -69.95,   1.37)    1.86                52