Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 4 7.  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, 141.70) 04/08/2021   14:16:50  ( -70.50, 142.65)   36.60                71
 04/08/2021   15:06:16   (  70.10, -50.22) 04/08/2021   15:06:22  (  70.12, -50.25)    2.84                 6
 04/08/2021   15:56:58   ( -70.02, 117.22) 04/08/2021   15:55:52  ( -70.01, 117.22)    0.44                66
 04/11/2021   06:32:27   ( -70.19,-101.91) 04/11/2021   06:33:23  ( -70.18,-101.94)    1.68                56
 04/11/2021   07:23:11   (  70.07,  65.58) 04/11/2021   07:22:50  (  70.07,  65.55)    1.34                21
 04/11/2021   08:13:40   ( -69.30,-125.96) 04/11/2021   08:12:31  ( -69.36,-127.79)   72.18                69
 04/13/2021   22:49:23   ( -70.16,  13.90) 04/13/2021   22:49:51  ( -70.18,  13.94)    2.90                28
 04/13/2021   23:40:07   (  70.04,-178.61) 04/13/2021   23:39:19  (  70.01,-178.65)    3.36                48
 04/16/2021   14:15:38   (  70.28, -37.84) 04/16/2021   14:16:49  (  70.28, -37.67)    6.11                71
 04/16/2021   15:06:19   ( -70.13, 129.70) 04/16/2021   15:06:20  ( -70.12, 129.73)    1.31                 1
 04/16/2021   15:57:01   (  69.91, -62.65) 04/16/2021   15:55:48  (  69.95, -62.86)    9.47                73
 04/19/2021   06:32:33   (  70.20,  78.04) 04/19/2021   06:33:18  (  70.22,  78.11)    3.18                45
 04/19/2021   07:23:14   ( -70.05,-114.41) 04/19/2021   07:22:49  ( -70.06,-114.48)    2.73                25