Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 6 25.  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)
 06/27/2021   14:15:53   ( -70.13, 142.22) 06/27/2021   14:17:05  ( -70.11, 142.19)    2.07                72
 06/27/2021   15:06:37   (  70.01, -50.30) 06/27/2021   15:06:32  (  70.01, -50.31)    0.52                 5
 06/27/2021   15:57:16   ( -69.76, 117.40) 06/27/2021   15:56:03  ( -69.84, 117.09)   15.14                73
 06/30/2021   06:32:48   ( -70.10,-101.97) 06/30/2021   06:33:35  ( -70.09,-101.97)    1.06                47
 06/30/2021   07:23:32   (  69.99,  65.51) 06/30/2021   07:23:02  (  69.99,  65.53)    1.11                30
 07/02/2021   21:59:16   (  70.96,-154.90) 07/02/2021   22:00:22  (  70.88,-152.54)   86.29                66
 07/02/2021   22:49:43   ( -70.07,  13.84) 07/02/2021   22:50:05  ( -70.06,  13.88)    2.01                22
 07/02/2021   23:40:27   (  69.97,-178.69) 07/02/2021   23:39:32  (  69.95,-178.63)    2.88                55
 07/05/2021   14:15:56   (  70.15, -37.83) 07/05/2021   14:17:05  (  70.13, -37.77)    3.38                69
 07/05/2021   15:06:37   ( -70.00, 129.72) 07/05/2021   15:06:35  ( -70.03, 129.71)    3.37                 2
 07/05/2021   15:57:17   (  69.68, -62.50) 07/05/2021   15:56:05  (  69.75, -63.03)   21.77                72
 07/08/2021   06:32:49   (  70.08,  78.04) 07/08/2021   06:33:34  (  70.09,  78.05)    1.02                45
 07/08/2021   07:23:31   ( -69.98,-114.48) 07/08/2021   07:23:04  ( -69.99,-114.46)    1.70                27