Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 1 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)
 01/31/2021   22:49:15   (  70.09,-166.08) 01/31/2021   22:50:17  (  70.08,-166.14)    2.45                62
 01/31/2021   23:39:57   ( -70.00,   1.37) 01/31/2021   23:39:46  ( -70.02,   1.41)    2.53                11
 02/01/2021   00:30:32   (  69.40, 169.56) 02/01/2021   00:29:22  (  69.42, 168.23)   51.91                70
 02/03/2021   15:06:10   (  70.08, -50.29) 02/03/2021   15:06:46  (  70.06, -50.29)    2.20                36
 02/03/2021   15:56:51   ( -69.94, 117.24) 02/03/2021   15:56:16  ( -69.95, 117.19)    2.58                35
 02/06/2021   06:32:31   ( -70.71,-102.82) 02/06/2021   06:33:40  ( -70.58,-101.30)   57.98                69
 02/06/2021   07:23:04   (  70.02,  65.57) 02/06/2021   07:23:15  (  70.04,  65.56)    1.60                11
 02/06/2021   08:13:46   ( -69.93,-126.97) 02/06/2021   08:12:45  ( -69.93,-126.96)    0.19                61
 02/08/2021   22:49:14   ( -70.13,  13.88) 02/08/2021   22:50:16  ( -70.12,  13.91)    1.50                62
 02/08/2021   23:39:58   (  70.02,-178.65) 02/08/2021   23:39:43  (  70.01,-178.60)    2.29                15
 02/09/2021   00:30:31   ( -69.45, -10.48) 02/09/2021   00:29:20  ( -69.52, -11.65)   46.04                71
 02/11/2021   15:06:08   ( -70.07, 129.74) 02/11/2021   15:06:45  ( -70.09, 129.74)    1.74                37
 02/11/2021   15:56:52   (  69.97, -62.79) 02/11/2021   15:56:12  (  69.98, -62.77)    1.18                40