Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 5 24.  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)
 05/26/2021   14:15:48   ( -70.14, 142.26) 05/26/2021   14:16:53  ( -70.16, 142.25)    2.53                65
 05/26/2021   15:06:32   (  70.02, -50.26) 05/26/2021   15:06:21  (  70.01, -50.33)    3.31                11
 05/26/2021   15:57:07   ( -69.56, 117.74) 05/26/2021   15:55:56  ( -69.62, 116.77)   38.30                71
 05/29/2021   06:32:44   ( -70.14,-101.98) 05/29/2021   06:33:24  ( -70.14,-101.91)    2.90                40
 05/29/2021   07:23:27   (  69.98,  65.58) 05/29/2021   07:22:52  (  69.98,  65.51)    2.75                35
 05/31/2021   21:59:08   (  70.77,-154.54) 05/31/2021   22:00:17  (  70.65,-152.91)   61.25                69
 05/31/2021   22:49:39   ( -70.10,  13.85) 05/31/2021   22:49:55  ( -70.10,  13.92)    2.58                16
 05/31/2021   23:40:22   (  69.94,-178.59) 05/31/2021   23:39:23  (  69.94,-178.67)    2.85                59
 06/03/2021   14:15:51   (  70.15, -37.79) 06/03/2021   14:16:55  (  70.17, -37.74)    2.30                64
 06/03/2021   15:06:33   ( -70.05, 129.69) 06/03/2021   15:06:25  ( -70.06, 129.74)    2.52                 8
 06/03/2021   15:57:09   (  69.52, -62.22) 06/03/2021   15:55:58  (  69.62, -63.22)   40.62                71
 06/06/2021   06:32:46   (  70.12,  78.04) 06/06/2021   06:33:26  (  70.12,  78.07)    1.51                40
 06/06/2021   07:23:28   ( -70.01,-114.48) 06/06/2021   07:22:56  ( -70.02,-114.44)    2.07                32