Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 8 13.  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)
 08/14/2021   14:16:03   ( -70.65, 141.36) 08/14/2021   14:17:13  ( -70.54, 142.82)   55.33                70
 08/14/2021   15:06:37   (  70.00, -50.32) 08/14/2021   15:06:48  (  70.00, -50.32)    0.60                11
 08/14/2021   15:57:18   ( -69.87, 117.20) 08/14/2021   15:56:18  ( -69.89, 117.16)    2.97                60
 08/17/2021   06:32:47   ( -70.08,-101.97) 08/17/2021   06:33:51  ( -70.10,-101.94)    2.81                64
 08/17/2021   07:23:31   (  69.96,  65.52) 08/17/2021   07:23:19  (  69.94,  65.47)    3.05                12
 08/17/2021   08:14:06   ( -69.50,-126.49) 08/17/2021   08:12:54  ( -69.56,-127.42)   36.82                72
 08/19/2021   22:49:41   ( -70.03,  13.88) 08/19/2021   22:50:22  ( -70.04,  13.85)    1.56                41
 08/19/2021   23:40:25   (  69.91,-178.64) 08/19/2021   23:39:49  (  69.93,-178.67)    1.98                36
 08/22/2021   14:16:04   (  70.71, -38.74) 08/22/2021   14:17:12  (  70.62, -37.06)   62.54                68
 08/22/2021   15:06:35   ( -70.04, 129.64) 08/22/2021   15:06:51  ( -70.03, 129.71)    2.96                16
 08/22/2021   15:57:19   (  69.92, -62.88) 08/22/2021   15:56:18  (  69.91, -62.81)    3.03                61
 08/25/2021   06:32:47   (  70.08,  78.01) 08/25/2021   06:33:51  (  70.11,  78.07)    3.19                64
 08/25/2021   07:23:28   ( -69.94,-114.45) 08/25/2021   07:23:22  ( -69.95,-114.51)    3.01                 6
 08/25/2021   08:14:05   (  69.45,  53.57) 08/25/2021   08:12:54  (  69.56,  52.59)   40.04                71