Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 6 7.  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   ( -70.13,  14.01) 06/08/2018   22:48:58  ( -70.15,  14.04)    2.43                33
 06/08/2018   23:39:09   (  70.01,-178.50) 06/08/2018   23:38:26  (  69.99,-178.54)    3.08                43
 06/11/2018   14:14:44   (  70.62, -38.30) 06/11/2018   14:15:54  (  70.53, -37.15)   43.32                70
 06/11/2018   15:05:18   ( -70.11, 129.82) 06/11/2018   15:05:30  ( -70.10, 129.85)    1.05                12
 06/11/2018   15:56:02   (  69.99, -62.69) 06/11/2018   15:54:57  (  69.99, -62.66)    1.23                65
 06/14/2018   06:31:29   (  70.18,  78.17) 06/14/2018   06:32:32  (  70.15,  78.16)    3.16                63
 06/14/2018   07:22:10   ( -70.03,-114.29) 06/14/2018   07:22:02  ( -70.05,-114.35)    3.01                 8
 06/14/2018   08:12:46   (  69.50,  53.82) 06/14/2018   08:11:36  (  69.55,  52.60)   47.54                70
 06/16/2018   22:48:22   (  70.16,-166.02) 06/16/2018   22:49:03  (  70.14,-165.97)    2.67                41
 06/16/2018   23:39:02   ( -70.01,   1.52) 06/16/2018   23:38:32  ( -70.05,   1.52)    3.66                30
 06/19/2018   14:14:46   ( -71.09, 140.95) 06/19/2018   14:15:52  ( -71.01, 143.57)   95.12                66
 06/19/2018   15:05:13   (  70.09, -50.14) 06/19/2018   15:05:34  (  70.08, -50.18)    1.97                21
 06/19/2018   15:55:55   ( -70.00, 117.32) 06/19/2018   15:55:04  ( -69.98, 117.32)    1.23                51