Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 3 22.  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)
 03/23/2018   14:15:25   (  70.67, -38.47) 03/23/2018   14:16:34  (  70.56, -37.24)   46.93                69
 03/23/2018   15:05:58   ( -70.11, 129.73) 03/23/2018   15:06:10  ( -70.12, 129.75)    1.22                12
 03/23/2018   15:56:42   (  69.99, -62.78) 03/23/2018   15:55:37  (  70.01, -62.75)    3.19                65
 03/26/2018   06:32:09   (  70.17,  78.09) 03/26/2018   06:33:08  (  70.17,  78.08)    0.90                59
 03/26/2018   07:22:51   ( -70.08,-114.46) 03/26/2018   07:22:38  ( -70.06,-114.45)    2.07                13
 03/26/2018   08:13:24   (  69.38,  53.89) 03/26/2018   08:12:15  (  69.40,  52.30)   62.32                69
 03/28/2018   22:49:03   (  70.14,-166.10) 03/28/2018   22:49:36  (  70.17,-166.05)    3.34                33
 03/28/2018   23:39:45   ( -70.05,   1.35) 03/28/2018   23:39:06  ( -70.06,   1.43)    2.97                39
 03/31/2018   14:15:22   ( -70.70, 141.47) 03/31/2018   14:16:32  ( -70.54, 142.73)   49.54                70
 03/31/2018   15:05:57   (  70.12, -50.30) 03/31/2018   15:06:05  (  70.10, -50.27)    2.09                 8
 03/31/2018   15:56:38   ( -69.98, 117.24) 03/31/2018   15:55:35  ( -70.00, 117.22)    2.92                63
 04/03/2018   06:32:07   ( -70.21,-101.96) 04/03/2018   06:33:06  ( -70.21,-101.89)    2.85                59
 04/03/2018   07:22:50   (  70.04,  65.59) 04/03/2018   07:22:34  (  70.04,  65.52)    3.03                16
 04/03/2018   08:13:22   ( -69.42,-126.17) 04/03/2018   08:12:12  ( -69.49,-127.60)   56.27                70