Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 4 25.  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)
 04/27/2018   06:31:58   (  70.22,  78.03) 04/27/2018   06:32:51  (  70.19,  78.08)    3.20                53
 04/27/2018   07:22:39   ( -70.07,-114.43) 04/27/2018   07:22:21  ( -70.08,-114.46)    0.99                18
 04/27/2018   08:13:09   (  69.22,  54.13) 04/27/2018   08:12:01  (  69.26,  52.07)   81.23                68
 04/29/2018   22:48:50   (  70.17,-166.12) 04/29/2018   22:49:18  (  70.17,-166.08)    1.83                28
 04/29/2018   23:39:32   ( -70.07,   1.34) 04/29/2018   23:38:48  ( -70.06,   1.40)    2.67                44
 05/02/2018   14:15:05   ( -70.54, 141.75) 05/02/2018   14:16:16  ( -70.42, 142.52)   31.35                71
 05/02/2018   15:05:43   (  70.12, -50.28) 05/02/2018   15:05:46  (  70.15, -50.23)    3.32                 3
 05/02/2018   15:56:25   ( -70.02, 117.19) 05/02/2018   15:55:16  ( -70.04, 117.25)    2.77                69
 05/05/2018   06:31:52   ( -70.18,-101.90) 05/05/2018   06:32:48  ( -70.18,-101.96)    2.20                56
 05/05/2018   07:22:36   (  70.08,  65.56) 05/05/2018   07:22:15  (  70.07,  65.53)    2.00                21
 05/05/2018   08:13:05   ( -69.29,-125.96) 05/05/2018   08:11:56  ( -69.35,-127.81)   73.04                69
 05/07/2018   22:48:45   ( -70.14,  13.94) 05/07/2018   22:49:16  ( -70.15,  13.88)    2.87                31
 05/07/2018   23:39:29   (  70.04,-178.60) 05/07/2018   23:38:43  (  70.03,-178.64)    1.57                46