Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 8 30.  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)
 09/02/2021   06:32:44   ( -70.06,-101.94) 09/02/2021   06:33:56  ( -70.07,-101.99)    2.68                72
 09/02/2021   07:23:29   (  69.99,  65.48) 09/02/2021   07:23:23  (  69.97,  65.50)    2.45                 6
 09/02/2021   08:14:08   ( -69.75,-126.84) 09/02/2021   08:12:54  ( -69.80,-127.09)   11.36                74
 09/04/2021   22:49:39   ( -70.07,  13.81) 09/04/2021   22:50:26  ( -70.06,  13.87)    2.62                47
 09/04/2021   23:40:23   (  69.95,-178.70) 09/04/2021   23:39:53  (  69.95,-178.63)    2.50                30
 09/07/2021   14:16:06   (  70.97, -39.17) 09/07/2021   14:17:12  (  70.86, -36.70)   90.66                66
 09/07/2021   15:06:31   ( -69.98, 129.72) 09/07/2021   15:06:56  ( -69.99, 129.65)    2.52                25
 09/07/2021   15:57:15   (  69.87, -62.80) 09/07/2021   15:56:23  (  69.88, -62.86)    2.57                52
 09/10/2021   06:32:44   (  70.10,  78.00) 09/10/2021   06:33:56  (  70.07,  78.01)    3.07                72
 09/10/2021   07:23:25   ( -69.95,-114.46) 09/10/2021   07:23:26  ( -69.97,-114.50)    2.33                 1
 09/10/2021   08:14:07   (  69.73,  53.17) 09/10/2021   08:12:54  (  69.80,  52.91)   12.56                73
 09/12/2021   22:49:37   (  70.01,-166.11) 09/12/2021   22:50:26  (  70.04,-166.15)    2.99                49
 09/12/2021   23:40:19   ( -69.92,   1.36) 09/12/2021   23:39:56  ( -69.94,   1.34)    2.03                23