Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 9 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)
 09/18/2018   06:32:04   (  70.27,  77.87) 09/18/2018   06:33:16  (  70.20,  78.22)   14.74                72
 09/18/2018   07:22:43   ( -70.01,-114.42) 09/18/2018   07:22:47  ( -70.04,-114.38)    3.21                 4
 09/18/2018   08:13:27   (  69.90,  53.06) 09/18/2018   08:12:15  (  69.88,  53.04)    2.57                72
 09/20/2018   22:48:56   (  70.08,-166.07) 09/20/2018   22:49:48  (  70.07,-166.09)    1.30                52
 09/20/2018   23:39:38   ( -69.98,   1.40) 09/20/2018   23:39:18  ( -69.96,   1.39)    1.85                20
 09/21/2018   00:30:06   (  69.02, 170.09) 09/21/2018   00:28:59  (  69.08, 167.85)   89.56                67
 09/23/2018   15:05:51   (  70.05, -50.26) 09/23/2018   15:06:18  (  70.04, -50.25)    1.16                27
 09/23/2018   15:56:33   ( -69.95, 117.22) 09/23/2018   15:55:48  ( -69.94, 117.24)    1.55                45
 09/26/2018   06:32:06   ( -70.39,-102.32) 09/26/2018   06:33:17  ( -70.29,-101.65)   27.46                71
 09/26/2018   07:22:45   (  70.03,  65.55) 09/26/2018   07:22:47  (  70.01,  65.59)    2.44                 2
 09/26/2018   08:13:27   ( -69.92,-126.98) 09/26/2018   08:12:17  ( -69.91,-126.92)    2.62                70
 09/28/2018   22:48:56   ( -70.10,  13.89) 09/28/2018   22:49:50  ( -70.09,  13.95)    2.34                54
 09/28/2018   23:39:39   (  69.95,-178.57) 09/28/2018   23:39:17  (  69.98,-178.57)    2.76                22