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   ( -70.10,-101.98) 07/16/2021   06:33:36  ( -70.10,-101.92)    2.15                47
 07/16/2021   07:23:33   (  69.98,  65.50) 07/16/2021   07:23:03  (  70.00,  65.58)    3.43                30
 07/18/2021   21:59:17   (  70.96,-154.92) 07/18/2021   22:00:23  (  70.87,-152.53)   87.37                66
 07/18/2021   22:49:43   ( -70.03,  13.89) 07/18/2021   22:50:06  ( -70.05,  13.89)    2.32                23
 07/18/2021   23:40:27   (  69.92,-178.63) 07/18/2021   23:39:33  (  69.94,-178.62)    3.14                54
 07/21/2021   14:15:55   (  70.11, -37.78) 07/21/2021   14:17:05  (  70.10, -37.79)    1.28                70
 07/21/2021   15:06:37   ( -70.02, 129.68) 07/21/2021   15:06:35  ( -70.00, 129.69)    2.40                 2
 07/21/2021   15:57:17   (  69.69, -62.53) 07/21/2021   15:56:05  (  69.72, -63.05)   20.20                72
 07/24/2021   06:32:49   (  70.05,  78.08) 07/24/2021   06:33:35  (  70.04,  78.00)    3.24                46
 07/24/2021   07:23:31   ( -69.95,-114.45) 07/24/2021   07:23:05  ( -69.94,-114.51)    2.68                26
 07/26/2021   21:59:17   ( -71.04,  24.95) 07/26/2021   22:00:23  ( -70.91,  27.53)   94.56                66
 07/26/2021   22:49:44   (  70.04,-166.14) 07/26/2021   22:50:04  (  70.03,-166.13)    1.87                20
 07/26/2021   23:40:26   ( -69.94,   1.33) 07/26/2021   23:39:34  ( -69.93,   1.37)    2.22                52