Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 5 4.  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)
 05/05/2021   06:32:38   (  70.14,  78.07) 05/05/2021   06:33:09  (  70.15,  78.00)    2.81                31
 05/05/2021   07:23:20   ( -70.06,-114.48) 05/05/2021   07:22:38  ( -70.09,-114.45)    3.07                42
 05/07/2021   21:58:55   ( -70.52,  25.94) 05/07/2021   22:00:06  ( -70.42,  26.64)   27.94                71
 05/07/2021   22:49:34   (  70.14,-166.15) 05/07/2021   22:49:36  (  70.15,-166.11)    2.51                 2
 05/07/2021   23:40:16   ( -70.05,   1.30) 05/07/2021   23:39:06  ( -70.04,   1.37)    2.73                70
 05/10/2021   14:15:45   ( -70.20, 142.21) 05/10/2021   14:16:37  ( -70.21, 142.21)    1.77                52
 05/10/2021   15:06:29   (  70.08, -50.30) 05/10/2021   15:06:04  (  70.10, -50.30)    2.67                25
 05/10/2021   15:56:55   ( -69.14, 118.38) 05/10/2021   15:55:48  ( -69.22, 116.13)   89.40                67
 05/13/2021   05:42:14   (  71.12,  89.16) 05/13/2021   05:43:20  (  71.03,  91.68)   91.58                66
 05/13/2021   06:32:39   ( -70.14,-101.93) 05/13/2021   06:33:04  ( -70.16,-101.99)    3.27                25
 05/13/2021   07:23:23   (  70.02,  65.55) 05/13/2021   07:22:31  (  70.04,  65.50)    3.35                52
 05/15/2021   21:58:53   (  70.23,-153.63) 05/15/2021   22:00:01  (  70.26,-153.60)    3.43                68
 05/15/2021   22:49:35   ( -70.13,  13.84) 05/15/2021   22:49:31  ( -70.15,  13.89)    3.05                 4
 05/15/2021   23:40:14   (  69.75,-178.29) 05/15/2021   23:39:02  (  69.82,-178.94)   26.09                72