Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 6 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)
 06/24/2018   22:48:29   ( -70.16,  13.95) 06/24/2018   22:49:09  ( -70.14,  14.01)    3.40                40
 06/24/2018   23:39:13   (  70.03,-178.56) 06/24/2018   23:38:36  (  70.03,-178.49)    2.61                37
 06/27/2018   14:14:53   (  70.74, -38.54) 06/27/2018   14:16:02  (  70.67, -36.96)   58.62                69
 06/27/2018   15:05:24   ( -70.08, 129.83) 06/27/2018   15:05:41  ( -70.07, 129.79)    1.94                17
 06/27/2018   15:56:08   (  69.96, -62.68) 06/27/2018   15:55:08  (  69.96, -62.72)    1.49                60
 06/30/2018   06:31:38   (  70.14,  78.18) 06/30/2018   06:32:42  (  70.15,  78.16)    1.23                64
 06/30/2018   07:22:20   ( -70.05,-114.37) 06/30/2018   07:22:12  ( -70.05,-114.36)    0.71                 8
 06/30/2018   08:12:56   (  69.51,  53.75) 06/30/2018   08:11:46  (  69.55,  52.60)   44.89                70
 07/02/2018   22:48:34   (  70.12,-166.02) 07/02/2018   22:49:13  (  70.12,-166.00)    0.87                39
 07/02/2018   23:39:16   ( -70.03,   1.43) 07/02/2018   23:38:43  ( -70.03,   1.49)    2.21                33
 07/05/2018   14:14:58   ( -70.90, 141.20) 07/05/2018   14:16:06  ( -70.76, 143.17)   73.68                68
 07/05/2018   15:05:29   (  70.10, -50.23) 07/05/2018   15:05:43  (  70.09, -50.16)    2.59                14
 07/05/2018   15:56:10   ( -69.96, 117.31) 07/05/2018   15:55:14  ( -69.94, 117.25)    2.63                56