Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 8 4.  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)
 08/06/2021   14:16:01   (  70.44, -38.31) 08/06/2021   14:17:12  (  70.36, -37.44)   33.58                71
 08/06/2021   15:06:36   ( -69.99, 129.71) 08/06/2021   15:06:47  ( -69.98, 129.64)    2.91                11
 08/06/2021   15:57:20   (  69.87, -62.80) 08/06/2021   15:56:14  (  69.87, -62.86)    2.58                66
 08/09/2021   06:32:49   (  70.07,  78.04) 08/09/2021   06:33:47  (  70.09,  78.05)    2.16                58
 08/09/2021   07:23:31   ( -69.98,-114.51) 08/09/2021   07:23:17  ( -69.99,-114.46)    1.82                14
 08/09/2021   08:14:03   (  69.23,  53.90) 08/09/2021   08:12:54  (  69.32,  52.27)   64.85                69
 08/11/2021   22:49:43   (  70.02,-166.11) 08/11/2021   22:50:18  (  70.04,-166.15)    2.62                35
 08/11/2021   23:40:25   ( -69.93,   1.34) 08/11/2021   23:39:48  ( -69.94,   1.35)    1.22                37
 08/14/2021   14:16:03   ( -70.66, 141.35) 08/14/2021   14:17:12  ( -70.59, 142.89)   57.42                69
 08/14/2021   15:06:37   (  70.02, -50.34) 08/14/2021   15:06:47  (  70.04, -50.27)    3.50                10
 08/14/2021   15:57:18   ( -69.87, 117.19) 08/14/2021   15:56:18  ( -69.89, 117.15)    2.21                60
 08/17/2021   06:32:47   ( -70.08,-101.97) 08/17/2021   06:33:51  ( -70.10,-101.95)    2.49                64
 08/17/2021   07:23:31   (  69.97,  65.51) 08/17/2021   07:23:18  (  69.98,  65.53)    1.54                13
 08/17/2021   08:14:06   ( -69.50,-126.49) 08/17/2021   08:12:54  ( -69.55,-127.42)   36.82                72