Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 6 14.  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)
 06/14/2021   06:32:46   ( -70.09,-101.93) 06/14/2021   06:33:31  ( -70.10,-101.96)    1.74                45
 06/14/2021   07:23:30   (  69.98,  65.55) 06/14/2021   07:22:59  (  69.95,  65.48)    3.71                31
 06/16/2021   21:59:13   (  70.89,-154.75) 06/16/2021   22:00:21  (  70.77,-152.73)   75.00                68
 06/16/2021   22:49:41   ( -70.06,  13.89) 06/16/2021   22:50:02  ( -70.05,  13.85)    1.80                21
 06/16/2021   23:40:25   (  69.94,-178.63) 06/16/2021   23:39:29  (  69.95,-178.65)    0.94                56
 06/19/2021   14:15:54   (  70.12, -37.76) 06/19/2021   14:17:03  (  70.10, -37.83)    3.62                69
 06/19/2021   15:06:36   ( -70.02, 129.71) 06/19/2021   15:06:32  ( -70.04, 129.72)    2.35                 4
 06/19/2021   15:57:15   (  69.65, -62.43) 06/19/2021   15:56:03  (  69.72, -63.09)   26.70                72
 06/22/2021   06:32:48   (  70.09,  78.05) 06/22/2021   06:33:32  (  70.09,  78.03)    1.07                44
 06/22/2021   07:23:30   ( -69.99,-114.48) 06/22/2021   07:23:02  ( -69.98,-114.49)    1.55                28
 06/24/2021   21:59:15   ( -71.01,  25.04) 06/24/2021   22:00:22  ( -70.89,  27.45)   88.63                67
 06/24/2021   22:49:43   (  70.07,-166.15) 06/24/2021   22:50:02  (  70.07,-166.12)    1.17                19
 06/24/2021   23:40:25   ( -69.96,   1.33) 06/24/2021   23:39:32  ( -69.96,   1.37)    1.55                53
 06/27/2021   14:15:54   ( -70.14, 142.20) 06/27/2021   14:17:05  ( -70.16, 142.25)    2.65                71
 06/27/2021   15:06:37   (  69.99, -50.26) 06/27/2021   15:06:33  (  69.99, -50.34)    2.98                 4
 06/27/2021   15:57:17   ( -69.78, 117.37) 06/27/2021   15:56:04  ( -69.83, 117.07)   13.07                73