Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 7 11.  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)
 07/13/2021   14:15:54   ( -70.13, 142.21) 07/13/2021   14:17:06  ( -70.14, 142.24)    2.06                72
 07/13/2021   15:06:38   (  70.01, -50.31) 07/13/2021   15:06:34  (  69.98, -50.33)    3.43                 4
 07/13/2021   15:57:18   ( -69.81, 117.30) 07/13/2021   15:56:04  ( -69.87, 117.14)    8.75                74
 07/16/2021   06:32:49   ( -70.11,-102.00) 07/16/2021   06:33:36  ( -70.09,-101.94)    2.95                47
 07/16/2021   07:23:33   (  70.00,  65.48) 07/16/2021   07:23:03  (  69.98,  65.55)    3.18                30
 07/18/2021   21:59:17   (  70.98,-154.94) 07/18/2021   22:00:23  (  70.85,-152.56)   87.88                66
 07/18/2021   22:49:43   ( -70.04,  13.87) 07/18/2021   22:50:06  ( -70.04,  13.87)    0.57                23
 07/18/2021   23:40:27   (  69.93,-178.65) 07/18/2021   23:39:33  (  69.93,-178.64)    0.84                54
 07/21/2021   14:15:56   (  70.13, -37.81) 07/21/2021   14:17:05  (  70.13, -37.74)    2.55                69
 07/21/2021   15:06:37   ( -69.98, 129.74) 07/21/2021   15:06:36  ( -69.98, 129.67)    2.78                 1
 07/21/2021   15:57:18   (  69.71, -62.55) 07/21/2021   15:56:05  (  69.75, -63.00)   17.84                73
 07/24/2021   06:32:49   (  70.07,  78.05) 07/24/2021   06:33:34  (  70.07,  78.05)    0.29                45
 07/24/2021   07:23:31   ( -69.96,-114.47) 07/24/2021   07:23:04  ( -69.97,-114.46)    0.81                27