Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 7 14.  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)
 07/16/2021   06:32:49   ( -70.08,-101.96) 07/16/2021   06:33:37  ( -70.06,-101.98)    2.18                48
 07/16/2021   07:23:33   (  69.97,  65.53) 07/16/2021   07:23:04  (  69.96,  65.52)    0.70                29
 07/18/2021   21:59:16   (  70.95,-154.89) 07/18/2021   22:00:23  (  70.83,-152.59)   84.70                67
 07/18/2021   22:49:43   ( -70.07,  13.84) 07/18/2021   22:50:05  ( -70.07,  13.91)    2.72                22
 07/18/2021   23:40:26   (  69.90,-178.61) 07/18/2021   23:39:33  (  69.90,-178.68)    2.71                53
 07/21/2021   14:15:55   (  70.09, -37.76) 07/21/2021   14:17:05  (  70.11, -37.77)    2.25                70
 07/21/2021   15:06:37   ( -70.00, 129.71) 07/21/2021   15:06:35  ( -70.01, 129.71)    1.27                 2
 07/21/2021   15:57:17   (  69.68, -62.50) 07/21/2021   15:56:05  (  69.73, -63.03)   21.17                72
 07/24/2021   06:32:50   (  70.08,  78.03) 07/24/2021   06:33:34  (  70.10,  78.10)    3.56                44
 07/24/2021   07:23:31   ( -69.93,-114.43) 07/24/2021   07:23:05  ( -69.95,-114.49)    2.98                26
 07/26/2021   21:59:17   ( -71.02,  24.99) 07/26/2021   22:00:23  ( -70.92,  27.55)   93.49                66
 07/26/2021   22:49:44   (  70.02,-166.11) 07/26/2021   22:50:04  (  70.04,-166.11)    1.63                20
 07/26/2021   23:40:26   ( -69.92,   1.36) 07/26/2021   23:39:34  ( -69.94,   1.38)    2.16                52