Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 10 11.  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)
 10/12/2018   06:32:13   ( -70.69,-102.81) 10/12/2018   06:33:22  ( -70.58,-101.26)   58.59                69
 10/12/2018   07:22:46   (  70.00,  65.59) 10/12/2018   07:22:58  (  69.99,  65.52)    2.95                12
 10/12/2018   08:13:28   ( -69.91,-126.96) 10/12/2018   08:12:27  ( -69.93,-126.92)    2.94                61
 10/14/2018   22:48:57   ( -70.10,  13.89) 10/14/2018   22:50:01  ( -70.10,  13.92)    0.87                64
 10/14/2018   23:39:41   (  69.99,-178.62) 10/14/2018   23:39:28  (  70.00,-178.59)    1.53                13
 10/15/2018   00:30:15   ( -69.47, -10.55) 10/15/2018   00:29:04  ( -69.56, -11.56)   40.52                71
 10/17/2018   15:05:50   ( -70.04, 129.76) 10/17/2018   15:06:31  ( -70.06, 129.73)    2.33                41
 10/17/2018   15:56:34   (  69.92, -62.76) 10/17/2018   15:55:58  (  69.95, -62.78)    2.54                36
 10/20/2018   06:32:14   (  70.70,  77.17) 10/20/2018   06:33:23  (  70.60,  78.77)   60.14                69
 10/20/2018   07:22:45   ( -70.03,-114.45) 10/20/2018   07:23:02  ( -70.01,-114.46)    2.75                17
 10/20/2018   08:13:29   (  69.92,  53.03) 10/20/2018   08:12:29  (  69.89,  53.03)    2.68                60
 10/22/2018   22:48:58   (  70.12,-166.13) 10/22/2018   22:50:02  (  70.11,-166.07)    2.73                64
 10/22/2018   23:39:39   ( -69.97,   1.41) 10/22/2018   23:39:33  ( -69.95,   1.34)    3.39                 6
 10/23/2018   00:30:16   (  69.49, 169.43) 10/23/2018   00:29:05  (  69.56, 168.45)   38.97                71
 10/25/2018   15:05:52   (  70.07, -50.28) 10/25/2018   15:06:33  (  70.05, -50.27)    1.61                41
 10/25/2018   15:56:34   ( -69.97, 117.19) 10/25/2018   15:56:03  ( -69.95, 117.22)    2.29                31