Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 9 22.  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)
 09/23/2018   15:05:51   (  70.06, -50.27) 09/23/2018   15:06:19  (  70.05, -50.25)    1.72                28
 09/23/2018   15:56:32   ( -69.91, 117.27) 09/23/2018   15:55:49  ( -69.94, 117.23)    3.05                43
 09/26/2018   06:32:08   ( -70.46,-102.43) 09/26/2018   06:33:19  ( -70.35,-101.58)   33.83                71
 09/26/2018   07:22:46   (  70.03,  65.54) 09/26/2018   07:22:50  (  70.02,  65.60)    2.40                 4
 09/26/2018   08:13:28   ( -69.94,-126.99) 09/26/2018   08:12:20  ( -69.92,-126.92)    3.55                68
 09/28/2018   22:48:56   ( -70.11,  13.88) 09/28/2018   22:49:53  ( -70.11,  13.95)    2.80                57
 09/28/2018   23:39:39   (  69.95,-178.57) 09/28/2018   23:39:21  (  69.94,-178.64)    2.74                18
 09/29/2018   00:30:10   ( -69.27, -10.26) 09/29/2018   00:29:01  ( -69.29, -11.89)   64.31                69
 10/01/2018   15:05:50   ( -70.03, 129.77) 10/01/2018   15:06:25  ( -70.03, 129.72)    2.09                35
 10/01/2018   15:56:34   (  69.93, -62.76) 10/01/2018   15:55:52  (  69.92, -62.80)    1.98                42
 10/04/2018   06:32:10   (  70.48,  77.53) 10/04/2018   06:33:21  (  70.37,  78.46)   36.71                71
 10/04/2018   07:22:45   ( -70.01,-114.42) 10/04/2018   07:22:56  ( -70.00,-114.45)    1.21                11
 10/04/2018   08:13:29   (  69.91,  53.04) 10/04/2018   08:12:23  (  69.89,  53.04)    2.33                66