Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 4 6.  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)
 04/08/2021   14:15:39   ( -70.59, 141.69) 04/08/2021   14:16:50  ( -70.50, 142.65)   36.81                71
 04/08/2021   15:06:16   (  70.10, -50.23) 04/08/2021   15:06:22  (  70.12, -50.26)    1.97                 6
 04/08/2021   15:56:58   ( -70.02, 117.22) 04/08/2021   15:55:52  ( -70.01, 117.22)    1.17                66
 04/11/2021   06:32:27   ( -70.19,-101.92) 04/11/2021   06:33:23  ( -70.18,-101.95)    2.27                56
 04/11/2021   07:23:11   (  70.07,  65.58) 04/11/2021   07:22:50  (  70.07,  65.54)    1.56                21
 04/11/2021   08:13:40   ( -69.30,-125.97) 04/11/2021   08:12:31  ( -69.36,-127.80)   72.06                69
 04/13/2021   22:49:23   ( -70.16,  13.89) 04/13/2021   22:49:51  ( -70.18,  13.93)    2.28                28
 04/13/2021   23:40:07   (  70.05,-178.62) 04/13/2021   23:39:18  (  70.07,-178.58)    2.50                49
 04/16/2021   14:15:38   (  70.28, -37.85) 04/16/2021   14:16:49  (  70.28, -37.68)    6.33                71
 04/16/2021   15:06:19   ( -70.14, 129.70) 04/16/2021   15:06:20  ( -70.12, 129.73)    2.13                 1
 04/16/2021   15:57:01   (  69.92, -62.66) 04/16/2021   15:55:48  (  69.95, -62.87)    8.68                73
 04/19/2021   06:32:33   (  70.21,  78.03) 04/19/2021   06:33:18  (  70.21,  78.11)    2.90                45
 04/19/2021   07:23:14   ( -70.06,-114.42) 04/19/2021   07:22:49  ( -70.06,-114.48)    2.06                25