Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 4 12.  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)
 04/13/2018   22:48:57   (  70.16,-166.12) 04/13/2018   22:49:27  (  70.17,-166.07)    2.46                30
 04/13/2018   23:39:39   ( -70.07,   1.33) 04/13/2018   23:38:57  ( -70.05,   1.40)    3.34                42
 04/16/2018   14:15:13   ( -70.58, 141.68) 04/16/2018   14:16:24  ( -70.46, 142.59)   36.20                71
 04/16/2018   15:05:50   (  70.10, -50.26) 04/16/2018   15:05:56  (  70.08, -50.32)    3.19                 6
 04/16/2018   15:56:32   ( -70.01, 117.20) 04/16/2018   15:55:25  ( -70.02, 117.24)    2.05                67
 04/19/2018   06:32:00   ( -70.20,-101.95) 04/19/2018   06:32:56  ( -70.20,-101.91)    1.76                56
 04/19/2018   07:22:44   (  70.09,  65.52) 04/19/2018   07:22:23  (  70.09,  65.58)    2.28                21
 04/19/2018   08:13:13   ( -69.31,-126.01) 04/19/2018   08:12:04  ( -69.38,-127.76)   69.15                69
 04/21/2018   22:48:53   ( -70.14,  13.91) 04/21/2018   22:49:24  ( -70.16,  13.91)    1.75                31
 04/21/2018   23:39:37   (  70.04,-178.62) 04/21/2018   23:38:51  (  70.05,-178.60)    1.27                46
 04/24/2018   14:15:08   (  70.40, -38.03) 04/24/2018   14:16:20  (  70.33, -37.60)   17.94                72
 04/24/2018   15:05:46   ( -70.14, 129.69) 04/24/2018   15:05:51  ( -70.11, 129.73)    3.06                 5
 04/24/2018   15:56:29   (  69.98, -62.76) 04/24/2018   15:55:18  (  70.00, -62.79)    2.00                71