Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 11 9.  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)
 11/10/2018   15:05:50   (  70.04, -50.23) 11/10/2018   15:06:35  (  70.05, -50.29)    2.23                45
 11/10/2018   15:56:32   ( -69.96, 117.21) 11/10/2018   15:56:05  ( -69.94, 117.19)    2.87                27
 11/13/2018   06:32:16   ( -71.01,-103.32) 11/13/2018   06:33:22  ( -70.94,-100.73)   94.24                66
 11/13/2018   07:22:43   (  70.00,  65.61) 11/13/2018   07:23:04  (  70.01,  65.54)    2.80                21
 11/13/2018   08:13:25   ( -69.92,-126.95) 11/13/2018   08:12:34  ( -69.91,-126.98)    1.71                51
 11/15/2018   22:48:55   ( -70.19,  13.79) 11/15/2018   22:50:06  ( -70.14,  13.96)    8.10                71
 11/15/2018   23:39:37   (  69.96,-178.56) 11/15/2018   23:39:34  (  69.98,-178.63)    3.19                 3
 11/16/2018   00:30:18   ( -69.82, -11.03) 11/16/2018   00:29:04  ( -69.87, -11.14)    6.82                74
 11/18/2018   15:05:48   ( -70.09, 129.71) 11/18/2018   15:06:36  ( -70.11, 129.78)    3.14                48
 11/18/2018   15:56:31   (  69.93, -62.73) 11/18/2018   15:56:04  (  69.94, -62.81)    3.32                27
 11/18/2018   16:46:56   ( -68.94, 106.01) 11/18/2018   16:45:50  ( -68.95, 103.51)   99.94                66
 11/21/2018   06:32:16   (  70.99,  76.73) 11/21/2018   06:33:22  (  70.93,  79.27)   92.28                66
 11/21/2018   07:22:42   ( -70.06,-114.46) 11/21/2018   07:23:06  ( -70.07,-114.39)    2.76                24
 11/21/2018   08:13:26   (  69.94,  53.02) 11/21/2018   08:12:33  (  69.95,  53.09)    2.90                53