Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 1 18.  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)
 01/18/2019   22:49:16   ( -70.11,  13.90) 01/18/2019   22:50:00  ( -70.09,  13.88)    2.03                44
 01/18/2019   23:40:00   (  69.99,-178.62) 01/18/2019   23:39:27  (  69.98,-178.63)    1.45                33
 01/21/2019   14:15:42   (  70.78, -38.72) 01/21/2019   14:16:50  (  70.66, -37.04)   63.07                68
 01/21/2019   15:06:12   ( -70.05, 129.76) 01/21/2019   15:06:29  ( -70.06, 129.72)    2.14                17
 01/21/2019   15:56:56   (  69.94, -62.77) 01/21/2019   15:55:56  (  69.95, -62.79)    1.58                60
 01/24/2019   06:32:26   (  70.14,  78.06) 01/24/2019   06:33:27  (  70.13,  78.07)    1.52                61
 01/24/2019   07:23:08   ( -70.04,-114.46) 01/24/2019   07:22:57  ( -70.03,-114.45)    1.68                11
 01/24/2019   08:13:42   (  69.40,  53.79) 01/24/2019   08:12:32  (  69.47,  52.44)   53.33                70
 01/26/2019   22:49:22   (  70.09,-166.08) 01/26/2019   22:49:56  (  70.09,-166.11)    0.85                34
 01/26/2019   23:40:04   ( -69.98,   1.39) 01/26/2019   23:39:26  ( -69.99,   1.38)    0.87                38
 01/29/2019   14:15:42   ( -70.56, 141.64) 01/29/2019   14:16:53  ( -70.44, 142.64)   39.03                71
 01/29/2019   15:06:18   (  70.04, -50.23) 01/29/2019   15:06:25  (  70.05, -50.28)    2.51                 7
 01/29/2019   15:57:00   ( -69.93, 117.25) 01/29/2019   15:55:55  ( -69.95, 117.21)    3.01                65