Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 8 5.  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)
 08/06/2021   14:16:02   (  70.47, -38.35) 08/06/2021   14:17:13  (  70.33, -37.48)   35.52                71
 08/06/2021   15:06:37   ( -70.01, 129.68) 08/06/2021   15:06:47  ( -70.01, 129.68)    0.75                10
 08/06/2021   15:57:21   (  69.89, -62.83) 08/06/2021   15:56:14  (  69.90, -62.82)    1.13                67
 08/09/2021   06:32:49   (  70.10,  78.00) 08/09/2021   06:33:47  (  70.07,  78.01)    3.52                58
 08/09/2021   07:23:30   ( -69.96,-114.47) 08/09/2021   07:23:17  ( -69.96,-114.50)    1.31                13
 08/09/2021   08:14:03   (  69.25,  53.86) 08/09/2021   08:12:54  (  69.30,  52.24)   64.12                69
 08/11/2021   22:49:43   (  70.04,-166.15) 08/11/2021   22:50:17  (  70.07,-166.11)    3.02                34
 08/11/2021   23:40:24   ( -69.90,   1.38) 08/11/2021   23:39:48  ( -69.91,   1.31)    3.04                36
 08/14/2021   14:16:04   ( -70.68, 141.31) 08/14/2021   14:17:13  ( -70.56, 142.85)   58.59                69
 08/14/2021   15:06:37   (  69.99, -50.30) 08/14/2021   15:06:48  (  70.01, -50.31)    1.92                11
 08/14/2021   15:57:19   ( -69.90, 117.15) 08/14/2021   15:56:18  ( -69.91, 117.19)    1.81                61
 08/17/2021   06:32:47   ( -70.05,-101.93) 08/17/2021   06:33:52  ( -70.07,-101.99)    2.72                65
 08/17/2021   07:23:31   (  69.94,  65.54) 08/17/2021   07:23:19  (  69.95,  65.49)    2.31                12
 08/17/2021   08:14:06   ( -69.48,-126.46) 08/17/2021   08:12:55  ( -69.52,-127.46)   39.66                71