Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 8 8.  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)
 08/09/2021   06:32:49   (  70.09,  78.01) 08/09/2021   06:33:47  (  70.07,  78.02)    2.52                58
 08/09/2021   07:23:30   ( -69.96,-114.47) 08/09/2021   07:23:17  ( -69.96,-114.50)    1.29                13
 08/09/2021   08:14:03   (  69.25,  53.87) 08/09/2021   08:12:54  (  69.30,  52.25)   64.20                69
 08/11/2021   22:49:43   (  70.04,-166.14) 08/11/2021   22:50:18  (  70.02,-166.18)    3.02                35
 08/11/2021   23:40:24   ( -69.90,   1.38) 08/11/2021   23:39:48  ( -69.91,   1.31)    2.99                36
 08/14/2021   14:16:04   ( -70.68, 141.30) 08/14/2021   14:17:13  ( -70.56, 142.85)   58.62                69
 08/14/2021   15:06:37   (  69.99, -50.30) 08/14/2021   15:06:48  (  70.01, -50.30)    2.61                11
 08/14/2021   15:57:19   ( -69.90, 117.15) 08/14/2021   15:56:18  ( -69.91, 117.19)    1.56                61
 08/17/2021   06:32:47   ( -70.06,-101.93) 08/17/2021   06:33:52  ( -70.06,-102.00)    2.55                65
 08/17/2021   07:23:31   (  69.94,  65.55) 08/17/2021   07:23:19  (  69.95,  65.49)    2.63                12
 08/17/2021   08:14:05   ( -69.48,-126.46) 08/17/2021   08:12:54  ( -69.52,-127.47)   39.70                71
 08/19/2021   22:49:41   ( -70.06,  13.83) 08/19/2021   22:50:21  ( -70.06,  13.87)    1.46                40
 08/19/2021   23:40:25   (  69.94,-178.69) 08/19/2021   23:39:48  (  69.94,-178.65)    1.56                37
 08/22/2021   14:16:04   (  70.68, -38.70) 08/22/2021   14:17:13  (  70.58, -37.12)   59.23                69
 08/22/2021   15:06:35   ( -70.01, 129.68) 08/22/2021   15:06:52  ( -69.99, 129.66)    2.26                17
 08/22/2021   15:57:19   (  69.89, -62.84) 08/22/2021   15:56:19  (  69.87, -62.87)    3.22                60