Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 7 12.  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)
 07/13/2021   14:15:55   ( -70.13, 142.20) 07/13/2021   14:17:07  ( -70.13, 142.23)    1.38                72
 07/13/2021   15:06:39   (  70.02, -50.32) 07/13/2021   15:06:34  (  70.03, -50.27)    2.42                 5
 07/13/2021   15:57:19   ( -69.82, 117.29) 07/13/2021   15:56:05  ( -69.86, 117.13)    7.59                74
 07/16/2021   06:32:48   ( -70.06,-101.93) 07/16/2021   06:33:36  ( -70.08,-101.95)    2.18                48
 07/16/2021   07:23:32   (  69.95,  65.55) 07/16/2021   07:23:03  (  69.98,  65.54)    2.73                29
 07/18/2021   21:59:16   (  70.93,-154.87) 07/18/2021   22:00:23  (  70.84,-152.57)   84.24                67
 07/18/2021   22:49:43   ( -70.05,  13.86) 07/18/2021   22:50:06  ( -70.03,  13.85)    2.43                23
 07/18/2021   23:40:27   (  69.94,-178.66) 07/18/2021   23:39:33  (  69.92,-178.66)    2.47                54
 07/21/2021   14:15:56   (  70.14, -37.82) 07/21/2021   14:17:05  (  70.13, -37.76)    2.67                69
 07/21/2021   15:06:37   ( -69.98, 129.73) 07/21/2021   15:06:36  ( -69.97, 129.65)    3.29                 1
 07/21/2021   15:57:17   (  69.66, -62.49) 07/21/2021   15:56:05  (  69.74, -63.01)   22.12                72
 07/24/2021   06:32:50   (  70.07,  78.04) 07/24/2021   06:33:35  (  70.06,  78.03)    1.86                45
 07/24/2021   07:23:32   ( -69.97,-114.49) 07/24/2021   07:23:05  ( -69.96,-114.47)    1.67                27