Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 3 30.  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)
 03/31/2021   14:15:38   (  70.74, -38.52) 03/31/2021   14:16:47  (  70.68, -37.07)   53.95                69
 03/31/2021   15:06:10   ( -70.13, 129.77) 03/31/2021   15:06:25  ( -70.13, 129.76)    0.54                15
 03/31/2021   15:56:54   (  70.01, -62.74) 03/31/2021   15:55:52  (  70.02, -62.75)    1.48                62
 04/03/2021   06:32:24   (  70.18,  78.13) 04/03/2021   06:33:24  (  70.20,  78.10)    2.34                60
 04/03/2021   07:23:06   ( -70.09,-114.41) 04/03/2021   07:22:54  ( -70.09,-114.42)    0.22                12
 04/03/2021   08:13:40   (  69.44,  53.86) 04/03/2021   08:12:30  (  69.49,  52.39)   57.31                70
 04/05/2021   22:49:20   (  70.15,-166.05) 04/05/2021   22:49:53  (  70.15,-166.09)    1.53                33
 04/05/2021   23:40:02   ( -70.05,   1.40) 04/05/2021   23:39:23  ( -70.05,   1.40)    0.74                39
 04/08/2021   14:15:39   ( -70.59, 141.70) 04/08/2021   14:16:50  ( -70.49, 142.63)   36.66                71
 04/08/2021   15:06:16   (  70.11, -50.24) 04/08/2021   15:06:22  (  70.10, -50.28)    2.04                 6
 04/08/2021   15:56:58   ( -70.02, 117.22) 04/08/2021   15:55:52  ( -70.00, 117.21)    2.20                66
 04/11/2021   06:32:27   ( -70.19,-101.91) 04/11/2021   06:33:22  ( -70.22,-101.89)    2.79                55
 04/11/2021   07:23:11   (  70.08,  65.57) 04/11/2021   07:22:49  (  70.10,  65.59)    2.14                22