Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 4 5.  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)
 04/05/2021   22:49:20   (  70.15,-166.06) 04/05/2021   22:49:53  (  70.15,-166.09)    1.05                33
 04/05/2021   23:40:02   ( -70.07,   1.39) 04/05/2021   23:39:23  ( -70.04,   1.39)    2.88                39
 04/08/2021   14:15:39   ( -70.61, 141.67) 04/08/2021   14:16:50  ( -70.49, 142.63)   37.76                71
 04/08/2021   15:06:16   (  70.12, -50.25) 04/08/2021   15:06:22  (  70.10, -50.28)    1.87                 6
 04/08/2021   15:56:57   ( -69.98, 117.28) 04/08/2021   15:55:52  ( -70.00, 117.20)    3.52                65
 04/11/2021   06:32:28   ( -70.21,-101.94) 04/11/2021   06:33:23  ( -70.22,-101.89)    2.27                55
 04/11/2021   07:23:12   (  70.09,  65.55) 04/11/2021   07:22:50  (  70.11,  65.60)    2.71                22
 04/11/2021   08:13:40   ( -69.26,-125.91) 04/11/2021   08:12:32  ( -69.34,-127.81)   75.33                68
 04/13/2021   22:49:23   ( -70.18,  13.87) 04/13/2021   22:49:51  ( -70.17,  13.92)    2.15                28
 04/13/2021   23:40:07   (  70.06,-178.64) 04/13/2021   23:39:18  (  70.05,-178.60)    1.99                49
 04/16/2021   14:15:38   (  70.30, -37.87) 04/16/2021   14:16:49  (  70.26, -37.70)    7.51                71
 04/16/2021   15:06:18   ( -70.10, 129.75) 04/16/2021   15:06:20  ( -70.11, 129.71)    1.99                 2
 04/16/2021   15:57:01   (  69.93, -62.68) 04/16/2021   15:55:48  (  69.94, -62.89)    7.72                73