Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 7 1.  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)
 07/02/2021   21:59:16   (  70.96,-154.89) 07/02/2021   22:00:23  (  70.83,-152.61)   83.88                67
 07/02/2021   22:49:43   ( -70.07,  13.84) 07/02/2021   22:50:05  ( -70.06,  13.88)    2.05                22
 07/02/2021   23:40:27   (  69.96,-178.68) 07/02/2021   23:39:32  (  69.96,-178.62)    2.34                55
 07/05/2021   14:15:56   (  70.15, -37.82) 07/05/2021   14:17:05  (  70.14, -37.76)    2.38                69
 07/05/2021   15:06:37   ( -70.00, 129.72) 07/05/2021   15:06:35  ( -70.03, 129.71)    3.29                 2
 07/05/2021   15:57:17   (  69.68, -62.49) 07/05/2021   15:56:05  (  69.76, -63.02)   22.50                72
 07/08/2021   06:32:49   (  70.08,  78.06) 07/08/2021   06:33:34  (  70.10,  78.06)    2.62                45
 07/08/2021   07:23:31   ( -69.98,-114.48) 07/08/2021   07:23:04  ( -69.99,-114.46)    1.67                27
 07/10/2021   21:59:17   ( -71.05,  24.94) 07/10/2021   22:00:23  ( -70.93,  27.53)   94.94                66
 07/10/2021   22:49:44   (  70.06,-166.15) 07/10/2021   22:50:04  (  70.05,-166.12)    1.42                20
 07/10/2021   23:40:26   ( -69.96,   1.32) 07/10/2021   23:39:34  ( -69.95,   1.37)    2.16                52
 07/13/2021   14:15:55   ( -70.15, 142.17) 07/13/2021   14:17:07  ( -70.12, 142.21)    3.67                72
 07/13/2021   15:06:38   (  69.99, -50.28) 07/13/2021   15:06:34  (  70.00, -50.31)    1.55                 4
 07/13/2021   15:57:18   ( -69.78, 117.35) 07/13/2021   15:56:05  ( -69.85, 117.11)   11.62                73