Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 6 7.  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)
 06/08/2021   21:59:11   ( -70.91,  25.22) 06/08/2021   22:00:19  ( -70.79,  27.30)   77.10                68
 06/08/2021   22:49:41   (  70.07,-166.12) 06/08/2021   22:49:58  (  70.04,-166.16)    3.29                17
 06/08/2021   23:40:23   ( -69.97,   1.34) 06/08/2021   23:39:27  ( -69.98,   1.39)    1.93                56
 06/11/2021   14:15:52   ( -70.14, 142.23) 06/11/2021   14:17:01  ( -70.15, 142.22)    0.89                69
 06/11/2021   15:06:36   (  70.03, -50.30) 06/11/2021   15:06:28  (  70.05, -50.28)    2.11                 8
 06/11/2021   15:57:14   ( -69.72, 117.48) 06/11/2021   15:56:01  ( -69.77, 116.97)   20.28                73
 06/14/2021   06:32:46   ( -70.10,-101.95) 06/14/2021   06:33:31  ( -70.10,-101.97)    0.77                45
 06/14/2021   07:23:30   (  69.99,  65.53) 06/14/2021   07:22:58  (  69.99,  65.53)    0.24                32
 06/16/2021   21:59:13   (  70.90,-154.77) 06/16/2021   22:00:20  (  70.81,-152.67)   77.45                67
 06/16/2021   22:49:41   ( -70.06,  13.88) 06/16/2021   22:50:02  ( -70.05,  13.84)    2.22                21
 06/16/2021   23:40:25   (  69.96,-178.65) 06/16/2021   23:39:29  (  69.94,-178.67)    2.09                56
 06/19/2021   14:15:54   (  70.13, -37.77) 06/19/2021   14:17:02  (  70.15, -37.77)    2.34                68
 06/19/2021   15:06:36   ( -70.02, 129.71) 06/19/2021   15:06:32  ( -70.04, 129.72)    2.63                 4
 06/19/2021   15:57:15   (  69.65, -62.44) 06/19/2021   15:56:03  (  69.71, -63.10)   26.33                72