Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 8 25.  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)
 08/25/2018   06:31:58   ( -70.24,-102.06) 08/25/2018   06:33:10  ( -70.21,-101.78)   11.51                72
 08/25/2018   07:22:40   (  70.02,  65.58) 08/25/2018   07:22:39  (  70.00,  65.57)    2.32                 1
 08/25/2018   08:13:21   ( -69.88,-126.88) 08/25/2018   08:12:09  ( -69.89,-126.95)    2.89                72
 08/27/2018   22:48:51   ( -70.09,  13.94) 08/27/2018   22:49:42  ( -70.11,  13.97)    2.65                51
 08/27/2018   23:39:35   (  69.98,-178.58) 08/27/2018   23:39:10  (  69.96,-178.61)    2.71                25
 08/28/2018   00:30:01   ( -69.04,  -9.90) 08/28/2018   00:28:54  ( -69.07, -12.17)   90.12                67
 08/30/2018   15:05:45   ( -70.04, 129.78) 08/30/2018   15:06:12  ( -70.07, 129.78)    2.57                27
 08/30/2018   15:56:29   (  69.94, -62.75) 08/30/2018   15:55:39  (  69.96, -62.72)    3.03                50
 09/02/2018   06:32:01   (  70.26,  77.90) 09/02/2018   06:33:11  (  70.23,  78.26)   14.20                70
 09/02/2018   07:22:40   ( -70.00,-114.39) 09/02/2018   07:22:43  ( -70.02,-114.41)    2.20                 3
 09/02/2018   08:13:23   (  69.84,  53.16) 09/02/2018   08:12:11  (  69.85,  53.01)    6.05                72
 09/04/2018   22:48:53   (  70.06,-166.03) 09/04/2018   22:49:44  (  70.06,-166.09)    2.43                51
 09/04/2018   23:39:35   ( -69.96,   1.45) 09/04/2018   23:39:14  ( -69.96,   1.40)    2.14                21
 09/05/2018   00:30:02   (  68.95, 170.20) 09/05/2018   00:28:56  (  69.02, 167.77)   97.20                66
 09/07/2018   15:05:49   (  70.08, -50.29) 09/07/2018   15:06:14  (  70.06, -50.22)    3.15                25
 09/07/2018   15:56:31   ( -69.97, 117.20) 09/07/2018   15:55:44  ( -69.96, 117.27)    2.93                47