Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 7 16.  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)
 07/16/2019   15:05:56   ( -70.06, 129.83) 07/16/2019   15:06:36  ( -70.08, 129.79)    2.40                40
 07/16/2019   15:56:41   (  69.99, -62.75) 07/16/2019   15:56:03  (  69.98, -62.71)    2.15                38
 07/19/2019   06:32:19   (  70.74,  77.22) 07/19/2019   06:33:28  (  70.60,  78.80)   60.11                69
 07/19/2019   07:22:49   ( -70.02,-114.33) 07/19/2019   07:23:06  ( -70.05,-114.37)    2.86                17
 07/19/2019   08:13:34   (  69.95,  53.08) 07/19/2019   08:12:33  (  69.94,  53.13)    2.27                61
 07/21/2019   22:49:01   (  70.12,-166.03) 07/21/2019   22:50:06  (  70.12,-166.01)    0.75                65
 07/21/2019   23:39:42   ( -69.99,   1.49) 07/21/2019   23:39:36  ( -70.01,   1.47)    3.15                 6
 07/22/2019   00:30:20   (  69.55, 169.45) 07/22/2019   00:29:09  (  69.58, 168.50)   36.88                71
 07/24/2019   15:05:54   (  70.09, -50.21) 07/24/2019   15:06:36  (  70.09, -50.18)    1.23                42
 07/24/2019   15:56:35   ( -69.95, 117.32) 07/24/2019   15:56:06  ( -69.98, 117.30)    3.10                29
 07/27/2019   06:32:18   ( -71.01,-103.22) 07/27/2019   06:33:24  ( -70.92,-100.70)   91.84                66
 07/27/2019   07:22:46   (  70.06,  65.61) 07/27/2019   07:23:05  (  70.05,  65.64)    2.10                19
 07/27/2019   08:13:27   ( -69.92,-126.85) 07/27/2019   08:12:35  ( -69.94,-126.87)    2.66                52
 07/29/2019   22:48:56   ( -70.20,  13.87) 07/29/2019   22:50:07  ( -70.17,  14.06)    7.55                71
 07/29/2019   23:39:38   (  69.98,-178.49) 07/29/2019   23:39:35  (  70.01,-178.53)    3.26                 3
 07/30/2019   00:30:19   ( -69.84, -10.95) 07/30/2019   00:29:06  ( -69.85, -11.12)    6.54                73