Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 9 11.  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)
 09/12/2018   22:48:54   ( -70.08,  13.95) 09/12/2018   22:49:48  ( -70.07,  13.90)    1.81                54
 09/12/2018   23:39:38   (  69.97,-178.58) 09/12/2018   23:39:15  (  69.97,-178.60)    0.66                23
 09/13/2018   00:30:05   ( -69.08,  -9.97) 09/13/2018   00:28:58  ( -69.14, -12.08)   83.98                67
 09/15/2018   15:05:48   ( -70.04, 129.77) 09/15/2018   15:06:17  ( -70.06, 129.76)    1.72                29
 09/15/2018   15:56:32   (  69.93, -62.76) 09/15/2018   15:55:44  (  69.95, -62.74)    1.91                48
 09/18/2018   06:32:04   (  70.27,  77.87) 09/18/2018   06:33:16  (  70.20,  78.21)   15.08                72
 09/18/2018   07:22:43   ( -70.01,-114.41) 09/18/2018   07:22:48  ( -69.98,-114.46)    3.21                 5
 09/18/2018   08:13:27   (  69.90,  53.06) 09/18/2018   08:12:14  (  69.93,  53.11)    3.44                73
 09/20/2018   22:48:56   (  70.08,-166.07) 09/20/2018   22:49:48  (  70.06,-166.10)    2.37                52
 09/20/2018   23:39:38   ( -69.97,   1.41) 09/20/2018   23:39:18  ( -69.96,   1.39)    1.72                20
 09/21/2018   00:30:06   (  69.02, 170.09) 09/21/2018   00:28:59  (  69.07, 167.84)   89.79                67
 09/23/2018   15:05:51   (  70.05, -50.26) 09/23/2018   15:06:18  (  70.03, -50.26)    2.39                27
 09/23/2018   15:56:33   ( -69.94, 117.22) 09/23/2018   15:55:48  ( -69.93, 117.23)    1.34                45