Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 9 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)
 09/10/2021   06:32:45   (  70.14,  77.93) 09/10/2021   06:33:56  (  70.10,  78.05)    6.75                71
 09/10/2021   07:23:26   ( -70.01,-114.55) 09/10/2021   07:23:26  ( -69.99,-114.47)    3.58                 0
 09/10/2021   08:14:07   (  69.73,  53.18) 09/10/2021   08:12:55  (  69.77,  52.87)   13.02                72
 09/12/2021   22:49:38   (  70.06,-166.18) 09/12/2021   22:50:26  (  70.08,-166.10)    3.34                48
 09/12/2021   23:40:19   ( -69.92,   1.35) 09/12/2021   23:39:57  ( -69.91,   1.30)    2.16                22
 09/15/2021   15:06:31   (  69.98, -50.29) 09/15/2021   15:06:57  (  69.99, -50.34)    2.27                26
 09/15/2021   15:57:13   ( -69.89, 117.17) 09/15/2021   15:56:27  ( -69.89, 117.15)    0.98                46
 09/18/2021   06:32:45   ( -70.33,-102.36) 09/18/2021   06:33:56  ( -70.24,-101.76)   25.28                71
 09/18/2021   07:23:24   (  69.96,  65.52) 09/18/2021   07:23:26  (  69.96,  65.50)    0.92                 2
 09/18/2021   08:14:06   ( -69.87,-127.02) 09/18/2021   08:12:56  ( -69.86,-127.02)    1.15                70
 09/20/2021   22:49:34   ( -70.05,  13.85) 09/20/2021   22:50:29  ( -70.04,  13.84)    1.50                55
 09/20/2021   23:40:18   (  69.94,-178.68) 09/20/2021   23:39:56  (  69.92,-178.68)    2.04                22