Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 4 24.  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)
 04/24/2021   14:15:39   ( -70.22, 142.23) 04/24/2021   14:16:47  ( -70.24, 142.25)    2.28                68
 04/24/2021   15:06:23   (  70.09, -50.27) 04/24/2021   15:06:15  (  70.08, -50.33)    2.78                 8
 04/24/2021   15:57:00   ( -69.75, 117.57) 04/24/2021   15:55:48  ( -69.80, 116.91)   25.85                72
 04/27/2021   06:32:35   ( -70.20,-101.98) 04/27/2021   06:33:15  ( -70.21,-101.91)    3.23                40
 04/27/2021   07:23:19   (  70.07,  65.52) 04/27/2021   07:22:43  (  70.05,  65.51)    2.45                36
 04/29/2021   21:58:57   (  70.74,-154.39) 04/29/2021   22:00:06  (  70.62,-153.06)   50.64                69
 04/29/2021   22:49:29   ( -70.13,  13.89) 04/29/2021   22:49:43  ( -70.13,  13.85)    1.74                14
 04/29/2021   23:40:13   (  70.00,-178.61) 04/29/2021   23:39:10  (  70.02,-178.66)    2.49                63
 05/02/2021   14:15:43   (  70.20, -37.77) 05/02/2021   14:16:41  (  70.20, -37.80)    1.21                58
 05/02/2021   15:06:25   ( -70.11, 129.68) 05/02/2021   15:06:11  ( -70.10, 129.68)    1.00                14
 05/02/2021   15:56:57   (  69.35, -61.89) 05/02/2021   15:55:48  (  69.43, -63.58)   66.76                69
 05/05/2021   06:32:39   (  70.18,  78.01) 05/05/2021   06:33:09  (  70.16,  78.02)    2.46                30
 05/05/2021   07:23:20   ( -70.04,-114.45) 05/05/2021   07:22:39  ( -70.06,-114.49)    2.96                41
 05/07/2021   21:58:55   ( -70.49,  25.98) 05/07/2021   22:00:07  ( -70.40,  26.60)   25.16                72
 05/07/2021   22:49:34   (  70.12,-166.13) 05/07/2021   22:49:37  (  70.12,-166.16)    1.34                 3
 05/07/2021   23:40:16   ( -70.02,   1.34) 05/07/2021   23:39:07  ( -70.02,   1.33)    0.63                69