Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 8 29.  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)
 08/30/2018   15:05:46   ( -70.06, 129.76) 08/30/2018   15:06:13  ( -70.05, 129.76)    0.68                27
 08/30/2018   15:56:30   (  69.94, -62.76) 08/30/2018   15:55:40  (  69.95, -62.74)    1.17                50
 09/02/2018   06:32:00   (  70.22,  77.97) 09/02/2018   06:33:12  (  70.17,  78.17)    9.40                72
 09/02/2018   07:22:40   ( -70.01,-114.41) 09/02/2018   07:22:43  ( -70.00,-114.43)    1.54                 3
 09/02/2018   08:13:23   (  69.85,  53.15) 09/02/2018   08:12:10  (  69.90,  53.07)    6.14                73
 09/04/2018   22:48:53   (  70.07,-166.04) 09/04/2018   22:49:44  (  70.05,-166.11)    3.15                51
 09/04/2018   23:39:35   ( -69.97,   1.43) 09/04/2018   23:39:14  ( -69.95,   1.37)    3.11                21
 09/05/2018   00:30:02   (  68.96, 170.19) 09/05/2018   00:28:56  (  69.01, 167.76)   97.30                66
 09/07/2018   15:05:48   (  70.03, -50.21) 09/07/2018   15:06:14  (  70.05, -50.24)    2.15                26
 09/07/2018   15:56:30   ( -69.93, 117.26) 09/07/2018   15:55:44  ( -69.94, 117.25)    2.23                46
 09/10/2018   06:32:04   ( -70.35,-102.25) 09/10/2018   06:33:15  ( -70.26,-101.70)   23.25                71
 09/10/2018   07:22:43   (  69.99,  65.61) 09/10/2018   07:22:45  (  69.98,  65.55)    2.66                 2
 09/10/2018   08:13:25   ( -69.88,-126.91) 09/10/2018   08:12:15  ( -69.88,-126.96)    1.88                70