Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 8 15.  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)
 08/17/2021   06:32:47   ( -70.07,-101.95) 08/17/2021   06:33:52  ( -70.06,-102.01)    2.59                65
 08/17/2021   07:23:31   (  69.95,  65.54) 08/17/2021   07:23:19  (  69.95,  65.48)    2.20                12
 08/17/2021   08:14:06   ( -69.49,-126.47) 08/17/2021   08:12:55  ( -69.51,-127.48)   39.35                71
 08/19/2021   22:49:41   ( -70.07,  13.81) 08/19/2021   22:50:21  ( -70.05,  13.86)    3.12                40
 08/19/2021   23:40:25   (  69.95,-178.70) 08/19/2021   23:39:48  (  69.94,-178.65)    2.31                37
 08/22/2021   14:16:04   (  70.69, -38.71) 08/22/2021   14:17:13  (  70.58, -37.12)   59.99                69
 08/22/2021   15:06:35   ( -70.02, 129.66) 08/22/2021   15:06:51  ( -70.04, 129.72)    3.08                16
 08/22/2021   15:57:19   (  69.91, -62.86) 08/22/2021   15:56:18  (  69.92, -62.79)    3.35                61
 08/25/2021   06:32:47   (  70.07,  78.04) 08/25/2021   06:33:52  (  70.07,  78.01)    1.09                65
 08/25/2021   07:23:29   ( -69.98,-114.50) 08/25/2021   07:23:22  ( -69.97,-114.49)    0.96                 7
 08/25/2021   08:14:06   (  69.49,  53.52) 08/25/2021   08:12:55  (  69.52,  52.54)   38.61                71
 08/27/2021   22:49:41   (  70.02,-166.12) 08/27/2021   22:50:22  (  70.05,-166.14)    2.44                41
 08/27/2021   23:40:23   ( -69.93,   1.34) 08/27/2021   23:39:52  ( -69.95,   1.36)    2.31                31