Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 6 3.  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   06:31:33   ( -70.15,-101.80) 06/06/2018   06:32:27  ( -70.16,-101.82)    1.19                54
 06/06/2018   07:22:17   (  70.04,  65.68) 06/06/2018   07:21:54  (  70.05,  65.67)    1.75                23
 06/06/2018   08:12:45   ( -69.21,-125.79) 06/06/2018   08:11:37  ( -69.23,-127.82)   80.23                68
 06/08/2018   22:48:25   ( -70.13,  14.01) 06/08/2018   22:48:55  ( -70.13,  14.02)    0.44                30
 06/08/2018   23:39:09   (  70.02,-178.51) 06/08/2018   23:38:22  (  70.02,-178.49)    0.85                47
 06/11/2018   14:14:40   (  70.41, -37.97) 06/11/2018   14:15:52  (  70.31, -37.46)   22.01                72
 06/11/2018   15:05:18   ( -70.10, 129.83) 06/11/2018   15:05:24  ( -70.09, 129.86)    1.76                 6
 06/11/2018   15:56:02   (  70.00, -62.70) 06/11/2018   15:54:51  (  69.98, -62.65)    2.41                71
 06/14/2018   06:31:29   (  70.18,  78.17) 06/14/2018   06:32:23  (  70.15,  78.21)    3.13                54
 06/14/2018   07:22:10   ( -70.03,-114.28) 06/14/2018   07:21:53  ( -70.06,-114.30)    2.84                17
 06/14/2018   08:12:40   (  69.18,  54.27) 06/14/2018   08:11:33  (  69.22,  52.20)   81.61                67
 06/16/2018   22:48:21   (  70.11,-165.95) 06/16/2018   22:48:52  (  70.11,-165.97)    0.97                31
 06/16/2018   23:39:03   ( -70.01,   1.52) 06/16/2018   23:38:22  ( -70.01,   1.52)    0.12                41