Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 8 19.  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)
 08/19/2021   22:49:41   ( -70.07,  13.82) 08/19/2021   22:50:21  ( -70.05,  13.87)    2.52                40
 08/19/2021   23:40:25   (  69.94,-178.69) 08/19/2021   23:39:48  (  69.95,-178.64)    1.94                37
 08/22/2021   14:16:04   (  70.68, -38.70) 08/22/2021   14:17:13  (  70.59, -37.11)   59.70                69
 08/22/2021   15:06:35   ( -70.02, 129.66) 08/22/2021   15:06:52  ( -69.99, 129.65)    3.58                17
 08/22/2021   15:57:19   (  69.90, -62.85) 08/22/2021   15:56:19  (  69.88, -62.85)    2.06                60
 08/25/2021   06:32:47   (  70.06,  78.05) 08/25/2021   06:33:52  (  70.08,  78.03)    2.22                65
 08/25/2021   07:23:29   ( -69.97,-114.50) 08/25/2021   07:23:22  ( -69.97,-114.48)    0.55                 7
 08/25/2021   08:14:06   (  69.48,  53.53) 08/25/2021   08:12:55  (  69.53,  52.55)   38.70                71
 08/27/2021   22:49:41   (  70.07,-166.19) 08/27/2021   22:50:21  (  70.06,-166.12)    3.04                40
 08/27/2021   23:40:22   ( -69.93,   1.34) 08/27/2021   23:39:52  ( -69.90,   1.29)    3.27                30
 08/30/2021   14:16:05   ( -70.87, 140.99) 08/30/2021   14:17:12  ( -70.81, 143.22)   81.74                67
 08/30/2021   15:06:34   (  69.97, -50.28) 08/30/2021   15:06:52  (  69.98, -50.35)    2.79                18
 08/30/2021   15:57:16   ( -69.88, 117.18) 08/30/2021   15:56:22  ( -69.88, 117.15)    1.22                54