Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 9 21.  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)
 09/23/2021   15:06:27   ( -69.98, 129.73) 09/23/2021   15:06:59  ( -69.99, 129.65)    3.19                32
 09/23/2021   15:57:12   (  69.92, -62.87) 09/23/2021   15:56:26  (  69.89, -62.84)    2.69                46
 09/26/2021   06:32:45   (  70.37,  77.59) 09/26/2021   06:33:56  (  70.23,  78.23)   28.63                71
 09/26/2021   07:23:21   ( -69.96,-114.47) 09/26/2021   07:23:29  ( -69.95,-114.53)    2.40                 8
 09/26/2021   08:14:05   (  69.84,  53.01) 09/26/2021   08:12:56  (  69.85,  52.97)    1.63                69
 09/28/2021   22:49:32   (  70.03,-166.12) 09/28/2021   22:50:28  (  70.01,-166.19)    3.31                56
 09/28/2021   23:40:14   ( -69.94,   1.34) 09/28/2021   23:39:57  ( -69.96,   1.37)    2.75                17
 09/29/2021   00:30:44   (  69.08, 169.88) 09/29/2021   00:29:37  (  69.13, 167.90)   79.00                67
 10/01/2021   15:06:26   (  70.02, -50.32) 10/01/2021   15:06:57  (  70.01, -50.31)    0.67                31
 10/01/2021   15:57:08   ( -69.92, 117.14) 10/01/2021   15:56:27  ( -69.91, 117.18)    1.74                41
 10/04/2021   06:32:44   ( -70.52,-102.65) 10/04/2021   06:33:54  ( -70.39,-101.52)   44.46                70
 10/04/2021   07:23:19   (  69.95,  65.55) 10/04/2021   07:23:27  (  69.96,  65.49)    2.35                 8
 10/04/2021   08:14:01   ( -69.85,-126.98) 10/04/2021   08:12:57  ( -69.85,-127.02)    1.58                64