Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 6 12.  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)
 06/14/2018   06:31:29   (  70.20,  78.15) 06/14/2018   06:32:31  (  70.19,  78.21)    2.75                62
 06/14/2018   07:22:10   ( -70.06,-114.32) 06/14/2018   07:22:01  ( -70.08,-114.31)    2.30                 9
 06/14/2018   08:12:46   (  69.51,  53.79) 06/14/2018   08:11:35  (  69.59,  52.65)   44.86                71
 06/16/2018   22:48:21   (  70.12,-165.97) 06/16/2018   22:49:03  (  70.13,-165.99)    1.09                42
 06/16/2018   23:39:03   ( -70.04,   1.49) 06/16/2018   23:38:33  ( -70.02,   1.49)    1.52                30
 06/19/2018   14:14:47   ( -71.11, 140.91) 06/19/2018   14:15:53  ( -70.99, 143.54)   95.60                66
 06/19/2018   15:05:14   (  70.11, -50.16) 06/19/2018   15:05:34  (  70.12, -50.13)    2.01                20
 06/19/2018   15:55:56   ( -70.02, 117.29) 06/19/2018   15:55:04  ( -70.02, 117.36)    2.61                52
 06/22/2018   06:31:25   ( -70.36,-102.08) 06/22/2018   06:32:36  ( -70.28,-101.67)   17.93                71
 06/22/2018   07:22:05   (  70.04,  65.72) 06/22/2018   07:22:05  (  70.05,  65.66)    3.07                 0
 06/22/2018   08:12:47   ( -69.94,-126.82) 06/22/2018   08:11:35  ( -69.96,-126.85)    1.65                72
 06/24/2018   22:48:14   ( -70.13,  14.05) 06/24/2018   22:49:09  ( -70.16,  14.04)    3.04                55
 06/24/2018   23:38:58   (  70.02,-178.48) 06/24/2018   23:38:36  (  70.04,-178.48)    2.08                22