Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 5 26.  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)
 05/26/2021   14:15:49   ( -70.16, 142.22) 05/26/2021   14:16:54  ( -70.14, 142.22)    2.54                65
 05/26/2021   15:06:33   (  70.04, -50.29) 05/26/2021   15:06:21  (  70.04, -50.28)    0.23                12
 05/26/2021   15:57:08   ( -69.59, 117.71) 05/26/2021   15:55:56  ( -69.65, 116.81)   35.53                72
 05/29/2021   06:32:43   ( -70.11,-101.94) 05/29/2021   06:33:24  ( -70.11,-101.94)    0.26                41
 05/29/2021   07:23:27   (  70.00,  65.55) 05/29/2021   07:22:51  (  70.01,  65.56)    1.65                36
 05/31/2021   21:59:08   (  70.79,-154.57) 05/31/2021   22:00:16  (  70.68,-152.86)   63.78                68
 05/31/2021   22:49:38   ( -70.07,  13.90) 05/31/2021   22:49:55  ( -70.08,  13.89)    1.82                17
 05/31/2021   23:40:22   (  69.95,-178.62) 05/31/2021   23:39:22  (  69.98,-178.61)    2.67                60
 06/03/2021   14:15:52   (  70.17, -37.81) 06/03/2021   14:16:56  (  70.15, -37.76)    2.70                64
 06/03/2021   15:06:33   ( -70.02, 129.74) 06/03/2021   15:06:26  ( -70.05, 129.72)    3.00                 7
 06/03/2021   15:57:10   (  69.54, -62.24) 06/03/2021   15:55:59  (  69.61, -63.25)   39.73                71
 06/06/2021   06:32:47   (  70.13,  78.02) 06/06/2021   06:33:27  (  70.11,  78.05)    2.65                40
 06/06/2021   07:23:29   ( -70.03,-114.51) 06/06/2021   07:22:57  ( -70.00,-114.46)    3.10                32
 06/08/2021   21:59:11   ( -70.92,  25.20) 06/08/2021   22:00:18  ( -70.83,  27.35)   78.96                67
 06/08/2021   22:49:41   (  70.09,-166.15) 06/08/2021   22:49:57  (  70.06,-166.14)    3.27                16
 06/08/2021   23:40:23   ( -69.98,   1.32) 06/08/2021   23:39:27  ( -69.96,   1.35)    3.01                56