Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 8 28.  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)
 08/30/2021   14:16:06   ( -70.93, 140.90) 08/30/2021   14:17:13  ( -70.79, 143.20)   85.11                67
 08/30/2021   15:06:35   (  70.02, -50.35) 08/30/2021   15:06:52  (  70.03, -50.28)    2.95                17
 08/30/2021   15:57:16   ( -69.89, 117.17) 08/30/2021   15:56:23  ( -69.87, 117.13)    2.56                53
 09/02/2021   06:32:45   ( -70.11,-102.01) 09/02/2021   06:33:56  ( -70.09,-101.96)    2.48                71
 09/02/2021   07:23:29   (  69.99,  65.48) 09/02/2021   07:23:23  (  69.99,  65.53)    2.07                 6
 09/02/2021   08:14:08   ( -69.74,-126.84) 09/02/2021   08:12:55  ( -69.77,-127.14)   11.70                73
 09/04/2021   22:49:39   ( -70.07,  13.81) 09/04/2021   22:50:27  ( -70.05,  13.85)    3.23                48
 09/04/2021   23:40:23   (  69.96,-178.71) 09/04/2021   23:39:54  (  69.94,-178.66)    2.84                29
 09/07/2021   14:16:07   (  71.03, -39.27) 09/07/2021   14:17:12  (  70.92, -36.60)   97.35                65
 09/07/2021   15:06:31   ( -69.99, 129.71) 09/07/2021   15:06:57  ( -70.00, 129.66)    2.12                26
 09/07/2021   15:57:15   (  69.88, -62.81) 09/07/2021   15:56:24  (  69.89, -62.85)    1.88                51
 09/10/2021   06:32:45   (  70.16,  77.90) 09/10/2021   06:33:57  (  70.11,  78.06)    8.74                72
 09/10/2021   07:23:25   ( -69.96,-114.48) 09/10/2021   07:23:28  ( -69.95,-114.52)    1.93                 3
 09/10/2021   08:14:08   (  69.80,  53.07) 09/10/2021   08:12:55  (  69.84,  52.96)    6.16                73