Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 1 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)
 01/21/2019   14:15:42   (  70.77, -38.71) 01/21/2019   14:16:50  (  70.66, -37.03)   62.63                68
 01/21/2019   15:06:12   ( -70.04, 129.76) 01/21/2019   15:06:29  ( -70.06, 129.72)    2.51                17
 01/21/2019   15:56:56   (  69.93, -62.76) 01/21/2019   15:55:56  (  69.95, -62.79)    2.72                60
 01/24/2019   06:32:26   (  70.14,  78.07) 01/24/2019   06:33:27  (  70.13,  78.07)    0.72                61
 01/24/2019   07:23:08   ( -70.04,-114.46) 01/24/2019   07:22:57  ( -70.03,-114.45)    1.63                11
 01/24/2019   08:13:42   (  69.40,  53.80) 01/24/2019   08:12:32  (  69.47,  52.44)   53.74                70
 01/26/2019   22:49:22   (  70.08,-166.08) 01/26/2019   22:49:56  (  70.09,-166.11)    1.32                34
 01/26/2019   23:40:04   ( -69.98,   1.39) 01/26/2019   23:39:26  ( -69.99,   1.38)    0.68                38
 01/29/2019   14:15:42   ( -70.56, 141.64) 01/29/2019   14:16:53  ( -70.43, 142.62)   39.03                71
 01/29/2019   15:06:18   (  70.03, -50.23) 01/29/2019   15:06:25  (  70.04, -50.29)    2.66                 7
 01/29/2019   15:57:00   ( -69.93, 117.24) 01/29/2019   15:55:55  ( -69.94, 117.20)    2.26                65
 02/01/2019   06:32:31   ( -70.14,-101.93) 02/01/2019   06:33:27  ( -70.11,-101.96)    3.22                56
 02/01/2019   07:23:15   (  70.04,  65.53) 02/01/2019   07:22:53  (  70.05,  65.60)    2.87                22
 02/01/2019   08:13:44   ( -69.24,-125.99) 02/01/2019   08:12:35  ( -69.29,-127.81)   71.98                69
 02/03/2019   22:49:26   ( -70.09,  13.91) 02/03/2019   22:49:54  ( -70.11,  13.92)    3.01                28
 02/03/2019   23:40:10   (  69.99,-178.62) 02/03/2019   23:39:21  (  70.00,-178.60)    1.54                49