Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 8 4.  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, 140.94) 08/06/2018   14:16:19  ( -70.92, 143.43)   90.84                66
 08/06/2018   15:05:40   (  70.06, -50.22) 08/06/2018   15:05:59  (  70.06, -50.21)    0.46                19
 08/06/2018   15:56:22   ( -69.97, 117.23) 08/06/2018   15:55:29  ( -69.95, 117.26)    2.96                53
 08/09/2018   06:31:52   ( -70.17,-101.94) 08/09/2018   06:33:03  ( -70.14,-101.86)    4.45                71
 08/09/2018   07:22:35   (  70.00,  65.63) 08/09/2018   07:22:31  (  69.99,  65.56)    3.44                 4
 08/09/2018   08:13:15   ( -69.81,-126.76) 08/09/2018   08:12:01  ( -69.88,-126.96)   10.73                74
 08/11/2018   22:48:47   ( -70.12,  13.92) 08/11/2018   22:49:34  ( -70.12,  13.99)    2.80                47
 08/11/2018   23:39:30   (  69.95,-178.52) 08/11/2018   23:39:02  (  69.96,-178.60)    2.92                28
 08/14/2018   14:15:16   (  71.00, -39.06) 08/14/2018   14:16:22  (  70.92, -36.59)   90.29                66
 08/14/2018   15:05:42   ( -70.07, 129.76) 08/14/2018   15:06:06  ( -70.05, 129.76)    2.22                24
 08/14/2018   15:56:26   (  69.96, -62.76) 08/14/2018   15:55:33  (  69.94, -62.75)    2.31                53
 08/17/2018   06:31:55   (  70.17,  78.06) 08/17/2018   06:33:05  (  70.17,  78.19)    4.97                70
 08/17/2018   07:22:36   ( -70.01,-114.39) 08/17/2018   07:22:36  ( -70.02,-114.40)    0.81                 0
 08/17/2018   08:13:17   (  69.75,  53.32) 08/17/2018   08:12:05  (  69.80,  52.93)   15.68                72