Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 6 23.  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   22:48:28   ( -70.11,  14.02) 06/24/2018   22:49:09  ( -70.14,  14.01)    3.25                41
 06/24/2018   23:39:13   (  70.04,-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  (  70.66, -36.96)   58.58                69
 06/27/2018   15:05:24   ( -70.08, 129.83) 06/27/2018   15:05:41  ( -70.07, 129.79)    2.22                17
 06/27/2018   15:56:08   (  69.96, -62.68) 06/27/2018   15:55:08  (  69.96, -62.72)    1.54                60
 06/30/2018   06:31:38   (  70.14,  78.18) 06/30/2018   06:32:42  (  70.15,  78.15)    1.32                64
 06/30/2018   07:22:20   ( -70.05,-114.37) 06/30/2018   07:22:12  ( -70.05,-114.36)    0.94                 8
 06/30/2018   08:12:56   (  69.51,  53.75) 06/30/2018   08:11:46  (  69.55,  52.60)   45.04                70
 07/02/2018   22:48:34   (  70.12,-166.02) 07/02/2018   22:49:13  (  70.12,-166.00)    0.66                39
 07/02/2018   23:39:16   ( -70.03,   1.44) 07/02/2018   23:38:43  ( -70.02,   1.49)    2.04                33
 07/05/2018   14:14:58   ( -70.89, 141.20) 07/05/2018   14:16:06  ( -70.75, 143.16)   73.31                68
 07/05/2018   15:05:29   (  70.10, -50.22) 07/05/2018   15:05:43  (  70.09, -50.17)    2.13                14
 07/05/2018   15:56:10   ( -69.95, 117.32) 07/05/2018   15:55:14  ( -69.94, 117.25)    2.96                56