Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 2 18.  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)
 02/19/2018   14:15:37   (  70.94, -38.90) 02/19/2018   14:16:44  (  70.87, -36.74)   78.69                67
 02/19/2018   15:06:05   ( -70.12, 129.74) 02/19/2018   15:06:26  ( -70.10, 129.75)    1.99                21
 02/19/2018   15:56:49   (  70.00, -62.77) 02/19/2018   15:55:53  (  70.00, -62.75)    0.83                56
 02/22/2018   06:32:17   (  70.16,  78.13) 02/22/2018   06:33:25  (  70.16,  78.07)    1.99                68
 02/22/2018   07:22:59   ( -70.07,-114.42) 02/22/2018   07:22:55  ( -70.05,-114.45)    3.09                 4
 02/22/2018   08:13:38   (  69.69,  53.46) 02/22/2018   08:12:26  (  69.72,  52.74)   27.99                72
 02/24/2018   22:49:11   (  70.17,-166.12) 02/24/2018   22:49:52  (  70.15,-166.06)    2.99                41
 02/24/2018   23:39:52   ( -70.02,   1.42) 02/24/2018   23:39:22  ( -70.04,   1.42)    1.72                30
 02/27/2018   14:15:35   ( -70.97, 141.05) 02/27/2018   14:16:42  ( -70.85, 143.21)   79.49                67
 02/27/2018   15:06:04   (  70.07, -50.20) 02/27/2018   15:06:21  (  70.08, -50.28)    3.18                17
 02/27/2018   15:56:46   ( -69.98, 117.26) 02/27/2018   15:55:51  ( -69.97, 117.21)    1.90                55
 03/02/2018   06:32:15   ( -70.19,-101.92) 03/02/2018   06:33:22  ( -70.18,-101.91)    1.54                67
 03/02/2018   07:22:59   (  70.08,  65.56) 03/02/2018   07:22:49  (  70.06,  65.58)    1.95                10
 03/02/2018   08:13:35   ( -69.67,-126.51) 03/02/2018   08:12:23  ( -69.74,-127.24)   29.14                72