Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 8 22.  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)
 08/25/2021   06:32:47   (  70.08,  78.03) 08/25/2021   06:33:52  (  70.06,  78.00)    2.06                65
 08/25/2021   07:23:28   ( -69.94,-114.45) 08/25/2021   07:23:22  ( -69.95,-114.52)    2.82                 6
 08/25/2021   08:14:06   (  69.50,  53.51) 08/25/2021   08:12:55  (  69.51,  52.53)   38.39                71
 08/27/2021   22:49:41   (  70.04,-166.14) 08/27/2021   22:50:22  (  70.04,-166.15)    0.45                41
 08/27/2021   23:40:23   ( -69.95,   1.31) 08/27/2021   23:39:52  ( -69.93,   1.34)    2.33                31
 08/30/2021   14:16:06   ( -70.90, 140.95) 08/30/2021   14:17:13  ( -70.78, 143.17)   82.36                67
 08/30/2021   15:06:35   (  70.00, -50.31) 08/30/2021   15:06:52  (  70.01, -50.31)    1.37                17
 08/30/2021   15:57:17   ( -69.91, 117.14) 08/30/2021   15:56:22  ( -69.91, 117.18)    1.53                55
 09/02/2021   06:32:44   ( -70.07,-101.96) 09/02/2021   06:33:54  ( -70.09,-101.96)    2.02                70
 09/02/2021   07:23:28   (  69.96,  65.52) 09/02/2021   07:23:21  (  69.98,  65.53)    1.91                 7
 09/02/2021   08:14:06   ( -69.66,-126.71) 09/02/2021   08:12:54  ( -69.71,-127.21)   19.98                72
 09/04/2021   22:49:38   ( -70.03,  13.87) 09/04/2021   22:50:24  ( -70.06,  13.88)    2.40                46
 09/04/2021   23:40:22   (  69.92,-178.66) 09/04/2021   23:39:51  (  69.94,-178.64)    1.75                31