Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 6 5.  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)
 06/06/2018   06:31:32   ( -70.15,-101.80) 06/06/2018   06:32:26  ( -70.16,-101.82)    1.52                54
 06/06/2018   07:22:16   (  70.03,  65.69) 06/06/2018   07:21:53  (  70.06,  65.68)    2.67                23
 06/06/2018   08:12:44   ( -69.21,-125.78) 06/06/2018   08:11:36  ( -69.23,-127.82)   80.33                68
 06/08/2018   22:48:25   ( -70.12,  14.02) 06/08/2018   22:48:55  ( -70.13,  14.02)    0.59                30
 06/08/2018   23:39:09   (  70.01,-178.50) 06/08/2018   23:38:22  (  70.02,-178.48)    1.35                47
 06/11/2018   14:14:40   (  70.40, -37.96) 06/11/2018   14:15:52  (  70.31, -37.46)   21.42                72
 06/11/2018   15:05:18   ( -70.10, 129.83) 06/11/2018   15:05:24  ( -70.09, 129.86)    1.44                 6
 06/11/2018   15:56:02   (  69.99, -62.69) 06/11/2018   15:54:51  (  69.98, -62.65)    1.77                71
 06/14/2018   06:31:29   (  70.17,  78.18) 06/14/2018   06:32:23  (  70.15,  78.21)    2.42                54
 06/14/2018   07:22:10   ( -70.03,-114.28) 06/14/2018   07:21:53  ( -70.05,-114.31)    3.09                17
 06/14/2018   08:12:40   (  69.17,  54.27) 06/14/2018   08:11:33  (  69.22,  52.20)   81.99                67
 06/16/2018   22:48:20   (  70.10,-165.94) 06/16/2018   22:48:51  (  70.11,-165.97)    1.42                31
 06/16/2018   23:39:02   ( -70.01,   1.53) 06/16/2018   23:38:21  ( -70.01,   1.52)    0.30                41
 06/19/2018   14:14:37   ( -70.61, 141.73) 06/19/2018   14:15:47  ( -70.50, 142.85)   43.08                70
 06/19/2018   15:05:13   (  70.09, -50.14) 06/19/2018   15:05:19  (  70.11, -50.08)    3.11                 6
 06/19/2018   15:55:55   ( -69.99, 117.33) 06/19/2018   15:54:50  ( -69.96, 117.34)    3.50                65