Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 6 30.  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)
 06/30/2019   15:06:06   ( -70.08, 129.79) 06/30/2019   15:06:34  ( -70.08, 129.78)    0.52                28
 06/30/2019   15:56:50   (  69.96, -62.72) 06/30/2019   15:56:01  (  69.98, -62.72)    2.42                49
 07/03/2019   06:32:20   (  70.33,  77.85) 07/03/2019   06:33:32  (  70.23,  78.25)   18.27                72
 07/03/2019   07:22:58   ( -70.03,-114.37) 07/03/2019   07:23:04  ( -70.01,-114.43)    3.14                 6
 07/03/2019   08:13:42   (  69.91,  53.11) 07/03/2019   08:12:31  (  69.91,  53.06)    2.00                71
 07/05/2019   22:49:10   (  70.13,-166.06) 07/05/2019   22:50:04  (  70.11,-166.05)    2.49                54
 07/05/2019   23:39:51   ( -69.99,   1.47) 07/05/2019   23:39:34  ( -70.00,   1.43)    2.18                17
 07/06/2019   00:30:21   (  69.13, 170.03) 07/06/2019   00:29:14  (  69.17, 167.95)   82.26                67
 07/08/2019   15:06:03   (  70.09, -50.23) 07/08/2019   15:06:34  (  70.09, -50.20)    1.01                31
 07/08/2019   15:56:45   ( -70.00, 117.23) 07/08/2019   15:56:04  ( -69.98, 117.29)    2.58                41
 07/11/2019   06:32:21   ( -70.63,-102.61) 07/11/2019   06:33:31  ( -70.50,-101.36)   48.56                70
 07/11/2019   07:22:56   (  70.05,  65.61) 07/11/2019   07:23:04  (  70.07,  65.65)    2.51                 8
 07/11/2019   08:13:38   ( -69.95,-126.93) 07/11/2019   08:12:34  ( -69.96,-126.86)    2.90                64
 07/13/2019   22:49:04   ( -70.12,  13.97) 07/13/2019   22:50:07  ( -70.10,  13.94)    2.21                63
 07/13/2019   23:39:48   (  70.01,-178.56) 07/13/2019   23:39:34  (  69.99,-178.58)    2.67                14
 07/14/2019   00:30:21   ( -69.44, -10.40) 07/14/2019   00:29:11  ( -69.50, -11.61)   47.98                70