Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 1 11.  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   ( -71.07, 140.80) 01/13/2019   14:16:47  ( -71.01, 143.50)   97.77                66
 01/13/2019   15:06:08   (  70.07, -50.28) 01/13/2019   15:06:29  (  70.08, -50.24)    1.42                21
 01/13/2019   15:56:50   ( -69.98, 117.19) 01/13/2019   15:55:59  ( -69.97, 117.24)    2.19                51
 01/16/2019   06:32:19   ( -70.12,-101.89) 01/16/2019   06:33:31  ( -70.11,-101.96)    2.83                72
 01/16/2019   07:23:03   (  70.02,  65.58) 01/16/2019   07:22:58  (  70.00,  65.52)    3.03                 5
 01/16/2019   08:13:42   ( -69.76,-126.72) 01/16/2019   08:12:29  ( -69.84,-127.06)   16.22                73
 01/18/2019   22:49:16   ( -70.12,  13.88) 01/18/2019   22:50:00  ( -70.08,  13.88)    3.58                44
 01/18/2019   23:39:59   (  69.96,-178.57) 01/18/2019   23:39:27  (  69.97,-178.64)    2.76                32
 01/21/2019   14:15:41   (  70.75, -38.66) 01/21/2019   14:16:50  (  70.64, -37.05)   60.44                69
 01/21/2019   15:06:12   ( -70.06, 129.74) 01/21/2019   15:06:29  ( -70.05, 129.72)    0.98                17
 01/21/2019   15:56:56   (  69.96, -62.80) 01/21/2019   15:55:56  (  69.93, -62.80)    2.71                60
 01/24/2019   06:32:26   (  70.11,  78.11) 01/24/2019   06:33:28  (  70.11,  78.06)    1.96                62
 01/24/2019   07:23:08   ( -70.00,-114.41) 01/24/2019   07:22:58  ( -70.02,-114.45)    2.19                10
 01/24/2019   08:13:43   (  69.43,  53.75) 01/24/2019   08:12:33  (  69.46,  52.43)   51.95                70