Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 9 7.  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)
 09/07/2018   15:05:48   (  70.05, -50.25) 09/07/2018   15:06:14  (  70.03, -50.27)    2.98                26
 09/07/2018   15:56:30   ( -69.96, 117.21) 09/07/2018   15:55:43  ( -69.97, 117.28)    2.72                47
 09/10/2018   06:32:03   ( -70.34,-102.22) 09/10/2018   06:33:15  ( -70.23,-101.74)   21.39                72
 09/10/2018   07:22:43   (  70.02,  65.58) 09/10/2018   07:22:44  (  70.02,  65.60)    0.92                 1
 09/10/2018   08:13:25   ( -69.92,-126.96) 09/10/2018   08:12:14  ( -69.91,-126.92)    1.72                71
 09/12/2018   22:48:54   ( -70.09,  13.93) 09/12/2018   22:49:48  ( -70.06,  13.89)    3.07                54
 09/12/2018   23:39:38   (  69.98,-178.60) 09/12/2018   23:39:15  (  69.95,-178.61)    3.03                23
 09/13/2018   00:30:05   ( -69.09,  -9.99) 09/13/2018   00:28:58  ( -69.13, -12.09)   83.61                67
 09/15/2018   15:05:49   ( -70.05, 129.76) 09/15/2018   15:06:18  ( -70.05, 129.76)    0.41                29
 09/15/2018   15:56:33   (  69.95, -62.78) 09/15/2018   15:55:45  (  69.94, -62.75)    1.30                48
 09/18/2018   06:32:04   (  70.28,  77.85) 09/18/2018   06:33:16  (  70.19,  78.21)   16.40                72
 09/18/2018   07:22:43   ( -70.01,-114.42) 09/18/2018   07:22:48  ( -69.98,-114.45)    3.35                 5
 09/18/2018   08:13:27   (  69.91,  53.04) 09/18/2018   08:12:14  (  69.93,  53.11)    2.96                73
 09/20/2018   22:48:56   (  70.09,-166.08) 09/20/2018   22:49:48  (  70.07,-166.09)    2.39                52
 09/20/2018   23:39:38   ( -69.98,   1.40) 09/20/2018   23:39:18  ( -69.97,   1.41)    0.98                20