Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 8 23.  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)
 08/25/2021   06:32:47   (  70.10,  78.00) 08/25/2021   06:33:51  (  70.09,  78.05)    2.11                64
 08/25/2021   07:23:28   ( -69.96,-114.48) 08/25/2021   07:23:21  ( -69.98,-114.47)    2.29                 7
 08/25/2021   08:14:05   (  69.47,  53.56) 08/25/2021   08:12:54  (  69.55,  52.57)   39.39                71
 08/27/2021   22:49:41   (  70.06,-166.17) 08/27/2021   22:50:21  (  70.07,-166.10)    3.17                40
 08/27/2021   23:40:22   ( -69.92,   1.35) 08/27/2021   23:39:52  ( -69.91,   1.31)    2.11                30
 08/30/2021   14:16:05   ( -70.87, 141.00) 08/30/2021   14:17:13  ( -70.76, 143.14)   79.42                68
 08/30/2021   15:06:35   (  70.02, -50.34) 08/30/2021   15:06:52  (  69.99, -50.33)    3.03                17
 08/30/2021   15:57:16   ( -69.88, 117.19) 08/30/2021   15:56:22  ( -69.89, 117.15)    1.62                54
 09/02/2021   06:32:45   ( -70.10,-102.00) 09/02/2021   06:33:55  ( -70.07,-101.98)    2.45                70
 09/02/2021   07:23:29   (  69.98,  65.49) 09/02/2021   07:23:22  (  69.96,  65.50)    2.37                 7
 09/02/2021   08:14:07   ( -69.68,-126.75) 09/02/2021   08:12:54  ( -69.75,-127.15)   17.54                73
 09/04/2021   22:49:38   ( -70.06,  13.83) 09/04/2021   22:50:24  ( -70.04,  13.86)    1.91                46
 09/04/2021   23:40:22   (  69.95,-178.69) 09/04/2021   23:39:51  (  69.93,-178.66)    2.43                31