Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 4 21.  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)
 04/22/2019   05:42:16   (  71.01,  89.40) 04/22/2019   05:43:23  (  70.92,  91.53)   78.01                67
 04/22/2019   06:32:44   ( -70.19,-101.96) 04/22/2019   06:33:04  ( -70.20,-101.90)    2.67                20
 04/22/2019   07:23:28   (  70.07,  65.53) 04/22/2019   07:22:32  (  70.04,  65.52)    3.28                56
 04/24/2019   21:58:56   (  70.25,-153.59) 04/24/2019   22:00:03  (  70.25,-153.59)    0.21                67
 04/24/2019   22:49:38   ( -70.16,  13.86) 04/24/2019   22:49:33  ( -70.14,  13.89)    2.10                 5
 04/24/2019   23:40:16   (  69.72,-178.18) 04/24/2019   23:39:05  (  69.75,-179.01)   32.28                71
 04/27/2019   14:15:50   (  70.22, -37.78) 04/27/2019   14:16:31  (  70.23, -37.74)    2.12                41
 04/27/2019   15:06:32   ( -70.12, 129.68) 04/27/2019   15:06:01  ( -70.13, 129.75)    2.46                31
 04/30/2019   05:42:14   ( -71.03, -90.63) 04/30/2019   05:43:21  ( -70.93, -88.47)   79.07                67
 04/30/2019   06:32:44   (  70.19,  78.04) 04/30/2019   06:32:59  (  70.21,  78.11)    3.58                15
 04/30/2019   07:23:25   ( -70.04,-114.42) 04/30/2019   07:22:30  ( -70.05,-114.48)    2.94                55
 05/02/2019   21:58:53   ( -70.26,  26.38) 05/02/2019   22:00:00  ( -70.25,  26.40)    1.84                67
 05/02/2019   22:49:36   (  70.11,-166.07) 05/02/2019   22:49:27  (  70.13,-166.13)    3.23                 9
 05/02/2019   23:40:13   ( -69.74,   1.80) 05/02/2019   23:39:01  ( -69.81,   1.06)   29.18                72