Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 6 12.  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  ( -70.11,-101.95)    1.81                45
 06/14/2021   07:23:30   (  69.98,  65.55) 06/14/2021   07:22:58  (  70.01,  65.55)    3.33                32
 06/16/2021   21:59:13   (  70.89,-154.75) 06/16/2021   22:00:20  (  70.82,-152.65)   77.18                67
 06/16/2021   22:49:41   ( -70.05,  13.89) 06/16/2021   22:50:02  ( -70.05,  13.85)    1.64                21
 06/16/2021   23:40:25   (  69.94,-178.64) 06/16/2021   23:39:29  (  69.95,-178.65)    0.72                56
 06/19/2021   14:15:54   (  70.12, -37.76) 06/19/2021   14:17:03  (  70.10, -37.84)    3.61                69
 06/19/2021   15:06:36   ( -70.02, 129.71) 06/19/2021   15:06:32  ( -70.05, 129.72)    2.88                 4
 06/19/2021   15:57:15   (  69.65, -62.43) 06/19/2021   15:56:03  (  69.72, -63.09)   26.68                72
 06/22/2021   06:32:48   (  70.09,  78.05) 06/22/2021   06:33:32  (  70.09,  78.03)    0.90                44
 06/22/2021   07:23:30   ( -69.99,-114.48) 06/22/2021   07:23:02  ( -69.98,-114.49)    0.76                28
 06/24/2021   21:59:15   ( -71.00,  25.05) 06/24/2021   22:00:22  ( -70.89,  27.46)   88.27                67
 06/24/2021   22:49:43   (  70.06,-166.14) 06/24/2021   22:50:02  (  70.07,-166.11)    1.44                19
 06/24/2021   23:40:25   ( -69.96,   1.34) 06/24/2021   23:39:32  ( -69.97,   1.38)    1.97                53