Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 6 6.  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)
 06/08/2018   22:48:25   ( -70.12,  14.02) 06/08/2018   22:48:58  ( -70.15,  14.03)    2.64                33
 06/08/2018   23:39:09   (  70.01,-178.50) 06/08/2018   23:38:26  (  69.99,-178.55)    3.19                43
 06/11/2018   14:14:44   (  70.61, -38.29) 06/11/2018   14:15:54  (  70.52, -37.17)   42.68                70
 06/11/2018   15:05:18   ( -70.10, 129.83) 06/11/2018   15:05:30  ( -70.09, 129.83)    0.97                12
 06/11/2018   15:56:02   (  69.99, -62.69) 06/11/2018   15:54:57  (  69.98, -62.68)    0.76                65
 06/14/2018   06:31:29   (  70.17,  78.18) 06/14/2018   06:32:31  (  70.19,  78.22)    2.12                62
 06/14/2018   07:22:11   ( -70.08,-114.36) 06/14/2018   07:22:01  ( -70.09,-114.29)    2.59                10
 06/14/2018   08:12:46   (  69.49,  53.82) 06/14/2018   08:11:36  (  69.53,  52.58)   48.49                70
 06/16/2018   22:48:20   (  70.10,-165.94) 06/16/2018   22:49:02  (  70.12,-166.00)    3.15                42
 06/16/2018   23:39:02   ( -70.01,   1.53) 06/16/2018   23:38:32  ( -70.02,   1.49)    2.16                30
 06/19/2018   14:14:46   ( -71.08, 140.95) 06/19/2018   14:15:52  ( -70.99, 143.53)   93.71                66
 06/19/2018   15:05:13   (  70.09, -50.14) 06/19/2018   15:05:33  (  70.11, -50.14)    1.88                20
 06/19/2018   15:55:55   ( -69.99, 117.33) 06/19/2018   15:55:03  ( -70.01, 117.35)    2.35                52