Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 1 25.  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)
 01/26/2021   15:06:09   ( -70.08, 129.70) 01/26/2021   15:06:48  ( -70.08, 129.75)    1.87                39
 01/26/2021   15:56:53   (  69.97, -62.81) 01/26/2021   15:56:15  (  69.98, -62.75)    3.08                38
 01/29/2021   06:32:31   (  70.63,  77.29) 01/29/2021   06:33:41  (  70.52,  78.63)   51.16                70
 01/29/2021   07:23:03   ( -70.02,-114.43) 01/29/2021   07:23:18  ( -70.02,-114.46)    1.53                15
 01/29/2021   08:13:47   (  69.90,  53.06) 01/29/2021   08:12:45  (  69.92,  53.04)    2.18                62
 01/31/2021   22:49:15   (  70.10,-166.09) 01/31/2021   22:50:16  (  70.13,-166.07)    3.12                61
 01/31/2021   23:39:57   ( -70.00,   1.37) 01/31/2021   23:39:46  ( -70.02,   1.41)    1.99                11
 02/01/2021   00:30:31   (  69.36, 169.62) 02/01/2021   00:29:22  (  69.41, 168.22)   55.08                69
 02/03/2021   15:06:09   (  70.04, -50.22) 02/03/2021   15:06:46  (  70.05, -50.29)    3.33                37
 02/03/2021   15:56:51   ( -69.94, 117.24) 02/03/2021   15:56:16  ( -69.95, 117.19)    2.29                35
 02/06/2021   06:32:31   ( -70.71,-102.82) 02/06/2021   06:33:40  ( -70.58,-101.29)   58.05                69
 02/06/2021   07:23:04   (  70.03,  65.56) 02/06/2021   07:23:15  (  70.03,  65.56)    0.64                11
 02/06/2021   08:13:46   ( -69.93,-126.97) 02/06/2021   08:12:45  ( -69.93,-126.96)    0.48                61