Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 3 20.  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)
 03/20/2018   22:49:04   ( -70.16,  13.88) 03/20/2018   22:49:41  ( -70.14,  13.91)    1.91                37
 03/20/2018   23:39:48   (  70.03,-178.62) 03/20/2018   23:39:08  (  70.04,-178.59)    1.40                40
 03/23/2018   14:15:24   (  70.63, -38.42) 03/23/2018   14:16:34  (  70.53, -37.28)   43.69                70
 03/23/2018   15:05:57   ( -70.08, 129.78) 03/23/2018   15:06:10  ( -70.09, 129.72)    3.06                13
 03/23/2018   15:56:42   (  70.01, -62.81) 03/23/2018   15:55:37  (  69.99, -62.79)    2.50                65
 03/26/2018   06:32:10   (  70.19,  78.06) 03/26/2018   06:33:08  (  70.20,  78.12)    2.76                58
 03/26/2018   07:22:51   ( -70.05,-114.41) 03/26/2018   07:22:39  ( -70.04,-114.48)    2.89                12
 03/26/2018   08:13:24   (  69.35,  53.93) 03/26/2018   08:12:15  (  69.43,  52.33)   63.31                69
 03/28/2018   22:49:04   (  70.16,-166.13) 03/28/2018   22:49:37  (  70.14,-166.09)    2.89                33
 03/28/2018   23:39:45   ( -70.02,   1.41) 03/28/2018   23:39:07  ( -70.04,   1.39)    2.04                38
 03/31/2018   14:15:21   ( -70.67, 141.53) 03/31/2018   14:16:31  ( -70.57, 142.77)   46.86                70
 03/31/2018   15:05:56   (  70.09, -50.24) 03/31/2018   15:06:05  (  70.08, -50.31)    2.66                 9
 03/31/2018   15:56:38   ( -69.99, 117.22) 03/31/2018   15:55:35  ( -69.97, 117.18)    2.36                63