Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 9 17.  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   06:32:05   (  70.29,  77.84) 09/18/2018   06:33:16  (  70.24,  78.27)   16.94                71
 09/18/2018   07:22:43   ( -70.03,-114.45) 09/18/2018   07:22:47  ( -70.01,-114.42)    2.40                 4
 09/18/2018   08:13:27   (  69.92,  53.03) 09/18/2018   08:12:14  (  69.91,  53.08)    2.44                73
 09/20/2018   22:48:56   (  70.10,-166.10) 09/20/2018   22:49:47  (  70.10,-166.04)    2.12                51
 09/20/2018   23:39:38   ( -70.00,   1.37) 09/20/2018   23:39:17  ( -69.99,   1.44)    2.67                21
 09/21/2018   00:30:06   (  69.04, 170.07) 09/21/2018   00:28:59  (  69.06, 167.82)   89.36                67
 09/23/2018   15:05:50   (  70.02, -50.21) 09/23/2018   15:06:18  (  70.02, -50.28)    2.70                28
 09/23/2018   15:56:32   ( -69.92, 117.26) 09/23/2018   15:55:48  ( -69.91, 117.21)    2.19                44
 09/26/2018   06:32:06   ( -70.36,-102.27) 09/26/2018   06:33:18  ( -70.26,-101.69)   24.34                72
 09/26/2018   07:22:45   (  70.00,  65.60) 09/26/2018   07:22:48  (  69.99,  65.56)    1.77                 3
 09/26/2018   08:13:27   ( -69.89,-126.93) 09/26/2018   08:12:18  ( -69.89,-126.95)    1.09                69
 09/28/2018   22:48:56   ( -70.07,  13.94) 09/28/2018   22:49:51  ( -70.07,  13.91)    1.28                55
 09/28/2018   23:39:39   (  69.97,-178.60) 09/28/2018   23:39:17  (  69.95,-178.61)    2.40                22