Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 1 7.  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)
 01/08/2019   06:32:18   (  70.31,  77.82) 01/08/2019   06:33:29  (  70.23,  78.21)   17.54                71
 01/08/2019   07:22:57   ( -70.06,-114.47) 01/08/2019   07:23:00  ( -70.06,-114.40)    2.95                 3
 01/08/2019   08:13:40   (  69.89,  53.09) 01/08/2019   08:12:28  (  69.90,  53.02)    2.61                72
 01/10/2019   22:49:11   (  70.09,-166.07) 01/10/2019   22:50:00  (  70.10,-166.09)    1.15                49
 01/10/2019   23:39:53   ( -69.99,   1.39) 01/10/2019   23:39:30  ( -69.99,   1.39)    0.49                23
 01/13/2019   14:15:41   ( -71.08, 140.79) 01/13/2019   14:16:47  ( -71.01, 143.50)   98.10                66
 01/13/2019   15:06:08   (  70.08, -50.29) 01/13/2019   15:06:29  (  70.08, -50.24)    1.94                21
 01/13/2019   15:56:50   ( -69.98, 117.18) 01/13/2019   15:55:59  ( -69.97, 117.24)    2.63                51
 01/16/2019   06:32:20   ( -70.13,-101.90) 01/16/2019   06:33:32  ( -70.11,-101.96)    2.63                72
 01/16/2019   07:23:04   (  70.02,  65.57) 01/16/2019   07:22:59  (  70.00,  65.53)    3.04                 5
 01/16/2019   08:13:43   ( -69.76,-126.72) 01/16/2019   08:12:30  ( -69.84,-127.06)   15.79                73
 01/18/2019   22:49:16   ( -70.12,  13.88) 01/18/2019   22:50:00  ( -70.09,  13.89)    3.34                44
 01/18/2019   23:39:59   (  69.97,-178.58) 01/18/2019   23:39:27  (  69.97,-178.63)    2.15                32
 01/21/2019   14:15:41   (  70.75, -38.67) 01/21/2019   14:16:50  (  70.65, -37.03)   61.09                69
 01/21/2019   15:06:12   ( -70.06, 129.74) 01/21/2019   15:06:29  ( -70.06, 129.73)    0.28                17
 01/21/2019   15:56:56   (  69.96, -62.80) 01/21/2019   15:55:56  (  69.94, -62.79)    2.06                60