Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 3 11.  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)
 03/12/2021   22:49:10   ( -70.15,  13.91) 03/12/2021   22:50:02  ( -70.16,  13.95)    2.00                52
 03/12/2021   23:39:54   (  70.03,-178.61) 03/12/2021   23:39:29  (  70.06,-178.55)    3.45                25
 03/13/2021   00:30:20   ( -69.10,  -9.92) 03/13/2021   00:29:13  ( -69.17, -12.12)   87.41                67
 03/15/2021   15:06:04   ( -70.11, 129.74) 03/15/2021   15:06:30  ( -70.13, 129.78)    2.16                26
 03/15/2021   15:56:48   (  70.00, -62.78) 03/15/2021   15:55:57  (  70.02, -62.72)    3.02                51
 03/18/2021   06:32:16   (  70.23,  78.02) 03/18/2021   06:33:27  (  70.20,  78.13)    5.82                71
 03/18/2021   07:22:57   ( -70.08,-114.43) 03/18/2021   07:22:57  ( -70.09,-114.39)    1.83                 0
 03/18/2021   08:13:38   (  69.82,  53.28) 03/18/2021   08:12:26  (  69.87,  52.95)   14.01                72
 03/20/2021   22:49:09   (  70.15,-166.08) 03/20/2021   22:49:55  (  70.15,-166.05)    1.05                46
 03/20/2021   23:39:51   ( -70.05,   1.39) 03/20/2021   23:39:25  ( -70.05,   1.43)    1.87                26
 03/23/2021   14:15:36   ( -71.12, 140.82) 03/23/2021   14:16:42  ( -70.98, 143.42)   95.17                66
 03/23/2021   15:06:03   (  70.13, -50.26) 03/23/2021   15:06:23  (  70.10, -50.24)    3.19                20
 03/23/2021   15:56:44   ( -69.97, 117.29) 03/23/2021   15:55:53  ( -70.00, 117.25)    3.12                51