Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 8 9.  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)
 08/09/2018   06:31:52   ( -70.16,-101.91) 08/09/2018   06:33:03  ( -70.16,-101.84)    2.74                71
 08/09/2018   07:22:36   (  70.03,  65.59) 08/09/2018   07:22:31  (  70.01,  65.59)    2.80                 5
 08/09/2018   08:13:15   ( -69.79,-126.73) 08/09/2018   08:12:02  ( -69.84,-127.01)   11.98                73
 08/11/2018   22:48:47   ( -70.10,  13.95) 08/11/2018   22:49:35  ( -70.08,  13.93)    1.80                48
 08/11/2018   23:39:31   (  69.98,-178.57) 08/11/2018   23:39:02  (  69.98,-178.56)    0.32                29
 08/14/2018   14:15:15   (  70.98, -39.01) 08/14/2018   14:16:22  (  70.88, -36.64)   87.01                67
 08/14/2018   15:05:41   ( -70.04, 129.80) 08/14/2018   15:06:05  ( -70.06, 129.78)    1.87                24
 08/14/2018   15:56:25   (  69.93, -62.72) 08/14/2018   15:55:32  (  69.96, -62.73)    2.88                53
 08/17/2018   06:31:55   (  70.14,  78.10) 08/17/2018   06:33:06  (  70.14,  78.13)    1.22                71
 08/17/2018   07:22:37   ( -70.04,-114.43) 08/17/2018   07:22:36  ( -70.03,-114.39)    2.24                 1
 08/17/2018   08:13:18   (  69.77,  53.28) 08/17/2018   08:12:05  (  69.81,  52.95)   13.25                73
 08/19/2018   22:48:50   (  70.09,-166.06) 08/19/2018   22:49:37  (  70.10,-166.04)    1.44                47
 08/19/2018   23:39:32   ( -69.99,   1.41) 08/19/2018   23:39:07  ( -70.00,   1.45)    1.66                25
 08/22/2018   15:05:45   (  70.04, -50.22) 08/22/2018   15:06:08  (  70.06, -50.21)    2.27                23
 08/22/2018   15:56:27   ( -69.94, 117.26) 08/22/2018   15:55:38  ( -69.96, 117.28)    2.84                49