Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 2 16.  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)
 02/17/2019   06:32:40   ( -70.16,-101.97) 02/17/2019   06:33:24  ( -70.17,-101.90)    2.95                44
 02/17/2019   07:23:24   (  70.04,  65.52) 02/17/2019   07:22:52  (  70.01,  65.53)    3.19                32
 02/19/2019   21:59:06   (  70.84,-154.62) 02/19/2019   22:00:14  (  70.75,-152.79)   67.52                68
 02/19/2019   22:49:36   ( -70.12,  13.86) 02/19/2019   22:49:54  ( -70.09,  13.87)    3.52                18
 02/19/2019   23:40:20   (  70.01,-178.66) 02/19/2019   23:39:21  (  69.99,-178.63)    2.18                59
 02/22/2019   14:15:50   (  70.18, -37.78) 02/22/2019   14:16:53  (  70.18, -37.76)    0.54                63
 02/22/2019   15:06:32   ( -70.08, 129.69) 02/22/2019   15:06:23  ( -70.06, 129.71)    2.51                 9
 02/22/2019   15:57:07   (  69.49, -62.13) 02/22/2019   15:55:57  (  69.57, -63.32)   47.49                70
 02/25/2019   06:32:46   (  70.14,  78.05) 02/25/2019   06:33:22  (  70.14,  78.07)    0.81                36
 02/25/2019   07:23:28   ( -70.05,-114.49) 02/25/2019   07:22:52  ( -70.03,-114.45)    2.20                36
 02/27/2019   21:59:06   ( -70.69,  25.64) 02/27/2019   22:00:16  ( -70.60,  26.97)   50.21                70
 02/27/2019   22:49:41   (  70.11,-166.13) 02/27/2019   22:49:50  (  70.11,-166.10)    1.23                 9
 02/27/2019   23:40:23   ( -70.02,   1.33) 02/27/2019   23:39:20  ( -70.00,   1.38)    2.41                63
 03/02/2019   14:15:53   ( -70.19, 142.21) 03/02/2019   14:16:52  ( -70.18, 142.23)    1.54                59
 03/02/2019   15:06:37   (  70.08, -50.31) 03/02/2019   15:06:19  (  70.07, -50.28)    1.98                18