Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 8 6.  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)
 08/06/2018   14:15:13   ( -71.02, 140.93) 08/06/2018   14:16:19  ( -70.92, 143.42)   90.74                66
 08/06/2018   15:05:41   (  70.06, -50.22) 08/06/2018   15:06:00  (  70.06, -50.22)    0.38                19
 08/06/2018   15:56:22   ( -69.93, 117.31) 08/06/2018   15:55:30  ( -69.94, 117.25)    2.80                52
 08/09/2018   06:31:51   ( -70.11,-101.84) 08/09/2018   06:33:03  ( -70.14,-101.87)    2.90                72
 08/09/2018   07:22:36   (  70.05,  65.57) 08/09/2018   07:22:30  (  70.04,  65.63)    2.60                 6
 08/09/2018   08:13:15   ( -69.80,-126.74) 08/09/2018   08:12:01  ( -69.87,-126.97)   11.61                74
 08/11/2018   22:48:47   ( -70.09,  13.96) 08/11/2018   22:49:35  ( -70.06,  13.90)    3.49                48
 08/11/2018   23:39:31   (  69.97,-178.55) 08/11/2018   23:39:02  (  69.96,-178.60)    2.24                29
 08/14/2018   14:15:16   (  70.94, -38.95) 08/14/2018   14:16:23  (  70.86, -36.67)   83.43                67
 08/14/2018   15:05:43   ( -70.05, 129.78) 08/14/2018   15:06:06  ( -70.04, 129.75)    1.63                23
 08/14/2018   15:56:27   (  69.94, -62.74) 08/14/2018   15:55:33  (  69.94, -62.76)    0.90                54
 08/17/2018   06:31:57   (  70.11,  78.14) 08/17/2018   06:33:07  (  70.12,  78.11)    1.47                70
 08/17/2018   07:22:39   ( -70.01,-114.39) 08/17/2018   07:22:37  ( -70.02,-114.40)    0.85                 2
 08/17/2018   08:13:19   (  69.69,  53.39) 08/17/2018   08:12:07  (  69.74,  52.86)   21.49                72
 08/19/2018   22:48:52   (  70.07,-166.03) 08/19/2018   22:49:37  (  70.09,-166.05)    3.03                45
 08/19/2018   23:39:34   ( -69.96,   1.44) 08/19/2018   23:39:07  ( -69.99,   1.44)    3.34                27