Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 6 10.  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)
 06/11/2018   14:14:44   (  70.64, -38.33) 06/11/2018   14:15:54  (  70.51, -37.18)   44.51                70
 06/11/2018   15:05:17   ( -70.08, 129.87) 06/11/2018   15:05:30  ( -70.08, 129.81)    2.23                13
 06/11/2018   15:56:01   (  69.96, -62.64) 06/11/2018   15:54:57  (  69.97, -62.69)    2.35                64
 06/14/2018   06:31:29   (  70.20,  78.15) 06/14/2018   06:32:31  (  70.19,  78.21)    2.74                62
 06/14/2018   07:22:10   ( -70.05,-114.32) 06/14/2018   07:22:01  ( -70.08,-114.31)    2.93                 9
 06/14/2018   08:12:46   (  69.51,  53.79) 06/14/2018   08:11:35  (  69.59,  52.65)   44.85                71
 06/16/2018   22:48:21   (  70.12,-165.97) 06/16/2018   22:49:03  (  70.13,-165.99)    1.06                42
 06/16/2018   23:39:03   ( -70.03,   1.49) 06/16/2018   23:38:33  ( -70.03,   1.50)    0.84                30
 06/19/2018   14:14:47   ( -71.10, 140.92) 06/19/2018   14:15:53  ( -71.00, 143.54)   95.69                66
 06/19/2018   15:05:14   (  70.11, -50.16) 06/19/2018   15:05:34  (  70.12, -50.12)    2.38                20
 06/19/2018   15:55:56   ( -70.01, 117.30) 06/19/2018   15:55:04  ( -70.02, 117.37)    3.00                52
 06/22/2018   06:31:25   ( -70.36,-102.08) 06/22/2018   06:32:36  ( -70.28,-101.66)   17.76                71
 06/22/2018   07:22:05   (  70.04,  65.72) 06/22/2018   07:22:05  (  70.06,  65.67)    3.17                 0
 06/22/2018   08:12:47   ( -69.94,-126.82) 06/22/2018   08:11:35  ( -69.96,-126.84)    2.35                72