Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 9 26.  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)
 09/28/2018   22:48:56   ( -70.12,  13.88) 09/28/2018   22:49:53  ( -70.10,  13.94)    2.83                57
 09/28/2018   23:39:39   (  69.95,-178.57) 09/28/2018   23:39:21  (  69.94,-178.64)    2.84                18
 09/29/2018   00:30:10   ( -69.27, -10.26) 09/29/2018   00:29:00  ( -69.34, -11.83)   62.01                70
 10/01/2018   15:05:50   ( -70.04, 129.76) 10/01/2018   15:06:25  ( -70.02, 129.70)    3.13                35
 10/01/2018   15:56:34   (  69.93, -62.76) 10/01/2018   15:55:52  (  69.91, -62.81)    2.61                42
 10/04/2018   06:32:10   (  70.48,  77.52) 10/04/2018   06:33:21  (  70.36,  78.44)   36.76                71
 10/04/2018   07:22:45   ( -70.02,-114.43) 10/04/2018   07:22:55  ( -70.04,-114.39)    3.15                10
 10/04/2018   08:13:29   (  69.91,  53.04) 10/04/2018   08:12:22  (  69.93,  53.10)    3.08                67
 10/06/2018   22:48:58   (  70.10,-166.10) 10/06/2018   22:49:56  (  70.10,-166.06)    1.54                58
 10/06/2018   23:39:40   ( -70.00,   1.37) 10/06/2018   23:39:26  ( -70.00,   1.43)    2.36                14
 10/07/2018   00:30:12   (  69.25, 169.76) 10/07/2018   00:29:03  (  69.33, 168.16)   63.59                69
 10/09/2018   15:05:51   (  70.03, -50.23) 10/09/2018   15:06:26  (  70.05, -50.25)    2.99                35
 10/09/2018   15:56:33   ( -69.92, 117.25) 10/09/2018   15:55:56  ( -69.96, 117.25)    3.60                37