Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 1 12.  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)
 01/13/2019   14:15:41   ( -71.08, 140.79) 01/13/2019   14:16:47  ( -71.00, 143.49)   97.95                66
 01/13/2019   15:06:08   (  70.08, -50.29) 01/13/2019   15:06:29  (  70.07, -50.25)    1.64                21
 01/13/2019   15:56:50   ( -69.98, 117.18) 01/13/2019   15:55:59  ( -69.97, 117.23)    2.87                51
 01/16/2019   06:32:20   ( -70.13,-101.91) 01/16/2019   06:33:32  ( -70.11,-101.97)    3.35                72
 01/16/2019   07:23:04   (  70.02,  65.57) 01/16/2019   07:22:58  (  70.05,  65.60)    3.14                 6
 01/16/2019   08:13:43   ( -69.76,-126.73) 01/16/2019   08:12:30  ( -69.84,-127.07)   15.43                73
 01/18/2019   22:49:15   ( -70.07,  13.95) 01/18/2019   22:50:00  ( -70.09,  13.88)    3.09                45
 01/18/2019   23:39:59   (  69.97,-178.58) 01/18/2019   23:39:27  (  69.97,-178.64)    2.33                32
 01/21/2019   14:15:41   (  70.75, -38.68) 01/21/2019   14:16:50  (  70.65, -37.04)   61.04                69
 01/21/2019   15:06:12   ( -70.07, 129.73) 01/21/2019   15:06:29  ( -70.06, 129.73)    0.94                17
 01/21/2019   15:56:56   (  69.97, -62.81) 01/21/2019   15:55:56  (  69.94, -62.80)    2.94                60
 01/24/2019   06:32:26   (  70.12,  78.10) 01/24/2019   06:33:28  (  70.12,  78.07)    1.12                62
 01/24/2019   07:23:08   ( -70.01,-114.42) 01/24/2019   07:22:58  ( -70.03,-114.43)    1.89                10
 01/24/2019   08:13:43   (  69.44,  53.74) 01/24/2019   08:12:33  (  69.47,  52.44)   51.10                70