Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 3 16.  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)
 03/18/2018   06:32:10   ( -70.16,-101.90) 03/18/2018   06:33:13  ( -70.15,-101.95)    2.77                63
 03/18/2018   07:22:54   (  70.04,  65.60) 03/18/2018   07:22:40  (  70.05,  65.54)    2.06                14
 03/18/2018   08:13:27   ( -69.48,-126.26) 03/18/2018   08:12:17  ( -69.55,-127.51)   49.16                70
 03/20/2018   22:49:04   ( -70.13,  13.92) 03/20/2018   22:49:41  ( -70.15,  13.93)    2.41                37
 03/20/2018   23:39:48   (  70.01,-178.59) 03/20/2018   23:39:09  (  69.99,-178.65)    3.49                39
 03/23/2018   14:15:24   (  70.61, -38.38) 03/23/2018   14:16:34  (  70.54, -37.27)   41.93                70
 03/23/2018   15:05:58   ( -70.10, 129.74) 03/23/2018   15:06:10  ( -70.10, 129.73)    0.38                12
 03/23/2018   15:56:42   (  69.99, -62.78) 03/23/2018   15:55:37  (  69.99, -62.78)    0.52                65
 03/26/2018   06:32:10   (  70.16,  78.10) 03/26/2018   06:33:09  (  70.15,  78.04)    2.94                59
 03/26/2018   07:22:52   ( -70.07,-114.44) 03/26/2018   07:22:39  ( -70.04,-114.47)    3.33                13
 03/26/2018   08:13:24   (  69.32,  53.97) 03/26/2018   08:12:16  (  69.37,  52.26)   67.36                68
 03/28/2018   22:49:03   (  70.13,-166.09) 03/28/2018   22:49:36  (  70.13,-166.10)    0.48                33
 03/28/2018   23:39:45   ( -70.04,   1.38) 03/28/2018   23:39:06  ( -70.03,   1.39)    0.72                39