Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 1 17.  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)    2.16                44
 01/18/2019   23:40:00   (  70.00,-178.62) 01/18/2019   23:39:27  (  69.98,-178.63)    1.83                33
 01/21/2019   14:15:42   (  70.78, -38.72) 01/21/2019   14:16:50  (  70.66, -37.04)   63.25                68
 01/21/2019   15:06:12   ( -70.05, 129.76) 01/21/2019   15:06:29  ( -70.06, 129.72)    1.94                17
 01/21/2019   15:56:56   (  69.94, -62.77) 01/21/2019   15:55:56  (  69.95, -62.79)    1.22                60
 01/24/2019   06:32:26   (  70.15,  78.06) 01/24/2019   06:33:27  (  70.13,  78.07)    1.96                61
 01/24/2019   07:23:08   ( -70.04,-114.47) 01/24/2019   07:22:57  ( -70.03,-114.45)    1.96                11
 01/24/2019   08:13:42   (  69.41,  53.78) 01/24/2019   08:12:32  (  69.47,  52.44)   53.05                70
 01/26/2019   22:49:22   (  70.10,-166.09) 01/26/2019   22:49:56  (  70.09,-166.10)    0.43                34
 01/26/2019   23:40:04   ( -69.99,   1.38) 01/26/2019   23:39:26  ( -69.99,   1.39)    0.55                38
 01/29/2019   14:15:42   ( -70.56, 141.63) 01/29/2019   14:16:53  ( -70.45, 142.64)   39.70                71
 01/29/2019   15:06:18   (  70.04, -50.25) 01/29/2019   15:06:25  (  70.06, -50.28)    1.70                 7
 01/29/2019   15:57:00   ( -69.94, 117.23) 01/29/2019   15:55:55  ( -69.96, 117.22)    2.45                65