Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 4 26.  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)
 04/27/2021   06:32:35   ( -70.21,-102.00) 04/27/2021   06:33:15  ( -70.20,-101.93)    2.72                40
 04/27/2021   07:23:19   (  70.08,  65.50) 04/27/2021   07:22:42  (  70.10,  65.57)    2.89                37
 04/29/2021   21:58:57   (  70.70,-154.33) 04/29/2021   22:00:07  (  70.61,-153.08)   46.75                70
 04/29/2021   22:49:30   ( -70.14,  13.88) 04/29/2021   22:49:44  ( -70.11,  13.83)    3.10                14
 04/29/2021   23:40:14   (  70.01,-178.63) 04/29/2021   23:39:11  (  70.01,-178.68)    2.08                63
 05/02/2021   14:15:43   (  70.21, -37.79) 05/02/2021   14:16:41  (  70.18, -37.83)    3.07                58
 05/02/2021   15:06:25   ( -70.12, 129.66) 05/02/2021   15:06:10  ( -70.13, 129.73)    2.91                15
 05/02/2021   15:56:57   (  69.36, -61.91) 05/02/2021   15:55:48  (  69.41, -63.61)   66.72                69
 05/05/2021   06:32:39   (  70.20,  77.99) 05/05/2021   06:33:08  (  70.19,  78.07)    2.91                29
 05/05/2021   07:23:20   ( -70.05,-114.47) 05/05/2021   07:22:39  ( -70.03,-114.53)    3.07                41
 05/07/2021   21:58:55   ( -70.51,  25.96) 05/07/2021   22:00:06  ( -70.42,  26.63)   27.06                71
 05/07/2021   22:49:34   (  70.14,-166.15) 05/07/2021   22:49:36  (  70.14,-166.13)    1.01                 2
 05/07/2021   23:40:16   ( -70.04,   1.31) 05/07/2021   23:39:06  ( -70.04,   1.36)    1.91                70