Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 10 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)
 10/09/2018   15:05:50   (  70.04, -50.24) 10/09/2018   15:06:22  (  70.06, -50.23)    2.84                32
 10/09/2018   15:56:32   ( -69.95, 117.22) 10/09/2018   15:55:52  ( -69.96, 117.25)    1.76                40
 10/12/2018   06:32:08   ( -70.53,-102.54) 10/12/2018   06:33:18  ( -70.45,-101.42)   42.38                70
 10/12/2018   07:22:44   (  70.00,  65.60) 10/12/2018   07:22:51  (  70.01,  65.58)    1.26                 7
 10/12/2018   08:13:26   ( -69.91,-126.94) 10/12/2018   08:12:21  ( -69.91,-126.93)    0.64                65
 10/14/2018   22:48:54   ( -70.08,  13.94) 10/14/2018   22:49:52  ( -70.10,  13.95)    2.50                58
 10/14/2018   23:39:38   (  69.97,-178.58) 10/14/2018   23:39:19  (  69.98,-178.56)    1.80                19
 10/15/2018   00:30:09   ( -69.29, -10.27) 10/15/2018   00:28:59  ( -69.33, -11.82)   60.90                70
 10/17/2018   15:05:48   ( -70.05, 129.75) 10/17/2018   15:06:20  ( -70.05, 129.77)    0.86                32
 10/17/2018   15:56:32   (  69.95, -62.77) 10/17/2018   15:55:47  (  69.93, -62.75)    2.14                45
 10/20/2018   06:32:03   (  70.35,  77.76) 10/20/2018   06:33:14  (  70.23,  78.29)   23.88                71
 10/20/2018   07:22:41   ( -70.04,-114.44) 10/20/2018   07:22:46  ( -70.02,-114.37)    3.16                 5
 10/20/2018   08:13:24   (  69.88,  53.10) 10/20/2018   08:12:13  (  69.90,  53.10)    2.47                71
 10/22/2018   22:48:52   (  70.07,-166.04) 10/22/2018   22:49:43  (  70.06,-166.05)    1.28                51
 10/22/2018   23:39:34   ( -69.97,   1.43) 10/22/2018   23:39:13  ( -69.97,   1.45)    1.11                21