Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 2 16.  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   (  70.09,-166.06) 02/16/2021   22:50:13  (  70.10,-166.13)    2.67                59
 02/16/2021   23:39:56   ( -70.00,   1.40) 02/16/2021   23:39:43  ( -69.98,   1.34)    3.31                13
 02/17/2021   00:30:29   (  69.30, 169.73) 02/17/2021   00:29:20  (  69.33, 168.10)   64.29                69
 02/19/2021   15:06:09   (  70.10, -50.29) 02/19/2021   15:06:41  (  70.11, -50.24)    2.32                32
 02/19/2021   15:56:51   ( -70.00, 117.17) 02/19/2021   15:56:11  ( -69.99, 117.23)    2.75                40
 02/22/2021   06:32:27   ( -70.58,-102.58) 02/22/2021   06:33:37  ( -70.49,-101.45)   43.24                70
 02/22/2021   07:23:03   (  70.05,  65.55) 02/22/2021   07:23:10  (  70.06,  65.57)    0.75                 7
 02/22/2021   08:13:45   ( -69.95,-126.98) 02/22/2021   08:12:40  ( -69.94,-126.95)    1.61                65
 02/24/2021   22:49:12   ( -70.11,  13.93) 02/24/2021   22:50:11  ( -70.11,  13.88)    1.87                59
 02/24/2021   23:39:56   (  70.01,-178.61) 02/24/2021   23:39:38  (  70.00,-178.63)    1.40                18
 02/25/2021   00:30:27   ( -69.33, -10.28) 02/25/2021   00:29:17  ( -69.40, -11.82)   60.63                70
 02/27/2021   15:06:07   ( -70.12, 129.69) 02/27/2021   15:06:39  ( -70.11, 129.76)    3.30                32
 02/27/2021   15:56:50   (  69.97, -62.77) 02/27/2021   15:56:06  (  69.99, -62.75)    2.81                44