Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 9 18.  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)
 09/18/2018   06:32:05   (  70.30,  77.82) 09/18/2018   06:33:16  (  70.22,  78.24)   18.46                71
 09/18/2018   07:22:43   ( -70.00,-114.39) 09/18/2018   07:22:48  ( -70.00,-114.44)    1.83                 5
 09/18/2018   08:13:27   (  69.88,  53.08) 09/18/2018   08:12:15  (  69.89,  53.06)    1.47                72
 09/20/2018   22:48:56   (  70.06,-166.04) 09/20/2018   22:49:48  (  70.09,-166.07)    2.85                52
 09/20/2018   23:39:38   ( -69.96,   1.42) 09/20/2018   23:39:18  ( -69.98,   1.41)    1.38                20
 09/21/2018   00:30:06   (  69.00, 170.12) 09/21/2018   00:29:00  (  69.04, 167.80)   92.50                66
 09/23/2018   15:05:50   (  70.03, -50.23) 09/23/2018   15:06:17  (  70.06, -50.23)    2.65                27
 09/23/2018   15:56:32   ( -69.93, 117.24) 09/23/2018   15:55:47  ( -69.95, 117.26)    2.10                45
 09/26/2018   06:32:06   ( -70.37,-102.30) 09/26/2018   06:33:18  ( -70.25,-101.72)   25.85                72
 09/26/2018   07:22:45   (  70.01,  65.58) 09/26/2018   07:22:47  (  70.03,  65.61)    2.37                 2
 09/26/2018   08:13:27   ( -69.91,-126.95) 09/26/2018   08:12:17  ( -69.92,-126.90)    2.76                70
 09/28/2018   22:48:56   ( -70.08,  13.92) 09/28/2018   22:49:50  ( -70.11,  13.96)    2.80                54
 09/28/2018   23:39:40   (  69.98,-178.61) 09/28/2018   23:39:17  (  69.99,-178.55)    2.39                23
 09/29/2018   00:30:08   ( -69.14, -10.07) 09/29/2018   00:29:00  ( -69.18, -12.03)   77.68                68
 10/01/2018   15:05:51   ( -70.06, 129.73) 10/01/2018   15:06:20  ( -70.07, 129.79)    2.67                29
 10/01/2018   15:56:34   (  69.91, -62.73) 10/01/2018   15:55:48  (  69.90, -62.80)    3.05                46