Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 8 25.  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,  77.99) 08/25/2021   06:33:51  (  70.09,  78.05)    2.14                64
 08/25/2021   07:23:28   ( -69.97,-114.49) 08/25/2021   07:23:21  ( -69.98,-114.48)    1.75                 7
 08/25/2021   08:14:05   (  69.47,  53.56) 08/25/2021   08:12:54  (  69.55,  52.57)   39.37                71
 08/27/2021   22:49:41   (  70.06,-166.17) 08/27/2021   22:50:21  (  70.07,-166.10)    3.07                40
 08/27/2021   23:40:22   ( -69.92,   1.35) 08/27/2021   23:39:52  ( -69.91,   1.30)    2.42                30
 08/30/2021   14:16:05   ( -70.87, 141.00) 08/30/2021   14:17:13  ( -70.75, 143.14)   79.35                68
 08/30/2021   15:06:35   (  70.02, -50.34) 08/30/2021   15:06:52  (  69.99, -50.34)    2.96                17
 08/30/2021   15:57:16   ( -69.88, 117.19) 08/30/2021   15:56:22  ( -69.89, 117.15)    1.56                54
 09/02/2021   06:32:45   ( -70.09,-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)    2.03                 7
 09/02/2021   08:14:07   ( -69.68,-126.75) 09/02/2021   08:12:54  ( -69.75,-127.16)   17.70                73
 09/04/2021   22:49:38   ( -70.05,  13.84) 09/04/2021   22:50:24  ( -70.04,  13.85)    1.52                46
 09/04/2021   23:40:22   (  69.94,-178.68) 09/04/2021   23:39:51  (  69.93,-178.66)    1.76                31
 09/07/2021   14:16:05   (  70.90, -39.06) 09/07/2021   14:17:12  (  70.76, -36.84)   82.53                67
 09/07/2021   15:06:32   ( -70.02, 129.67) 09/07/2021   15:06:54  ( -70.01, 129.69)    1.22                22
 09/07/2021   15:57:16   (  69.90, -62.86) 09/07/2021   15:56:21  (  69.89, -62.83)    2.00                55