Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 2 15.  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)
 02/16/2021   22:49:14   (  70.10,-166.07) 02/16/2021   22:50:13  (  70.09,-166.14)    2.75                59
 02/16/2021   23:39:56   ( -70.01,   1.39) 02/16/2021   23:39:42  ( -70.03,   1.41)    2.46                14
 02/17/2021   00:30:29   (  69.31, 169.72) 02/17/2021   00:29:20  (  69.32, 168.09)   64.21                69
 02/19/2021   15:06:09   (  70.10, -50.30) 02/19/2021   15:06:41  (  70.10, -50.25)    2.13                32
 02/19/2021   15:56:51   ( -70.01, 117.16) 02/19/2021   15:56:11  ( -69.99, 117.23)    3.45                40
 02/22/2021   06:32:27   ( -70.58,-102.59) 02/22/2021   06:33:37  ( -70.48,-101.46)   43.38                70
 02/22/2021   07:23:03   (  70.06,  65.55) 02/22/2021   07:23:10  (  70.05,  65.56)    1.01                 7
 02/22/2021   08:13:45   ( -69.96,-126.99) 02/22/2021   08:12:40  ( -69.94,-126.96)    2.32                65
 02/24/2021   22:49:13   ( -70.11,  13.93) 02/24/2021   22:50:12  ( -70.10,  13.87)    2.26                59
 02/24/2021   23:39:57   (  70.01,-178.61) 02/24/2021   23:39:39  (  69.99,-178.63)    2.13                18
 02/25/2021   00:30:27   ( -69.33, -10.29) 02/25/2021   00:29:17  ( -69.39, -11.82)   60.76                70
 02/27/2021   15:06:07   ( -70.12, 129.69) 02/27/2021   15:06:39  ( -70.10, 129.75)    3.05                32
 02/27/2021   15:56:50   (  69.97, -62.76) 02/27/2021   15:56:06  (  69.99, -62.76)    2.55                44