Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 1 27.  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)
 01/29/2018   06:32:22   ( -70.37,-102.16) 01/29/2018   06:33:33  ( -70.29,-101.74)   18.06                71
 01/29/2018   07:23:03   (  70.10,  65.57) 01/29/2018   07:23:02  (  70.08,  65.61)    2.56                 1
 01/29/2018   08:13:44   ( -69.95,-126.89) 01/29/2018   08:12:32  ( -69.96,-126.92)    1.57                72
 01/31/2018   22:49:13   ( -70.15,  13.95) 01/31/2018   22:50:03  ( -70.14,  13.93)    1.30                50
 01/31/2018   23:39:57   (  70.04,-178.57) 01/31/2018   23:39:30  (  70.03,-178.57)    0.46                27
 02/01/2018   00:30:22   ( -69.04,  -9.82) 02/01/2018   00:29:15  ( -69.09, -12.20)   95.03                67
 02/03/2018   14:15:40   (  71.02, -39.01) 02/03/2018   14:16:47  (  70.92, -36.66)   86.32                67
 02/03/2018   15:06:06   ( -70.09, 129.81) 02/03/2018   15:06:30  ( -70.09, 129.76)    2.08                24
 02/03/2018   15:56:50   (  69.98, -62.72) 02/03/2018   15:55:57  (  69.99, -62.75)    1.51                53
 02/06/2018   06:32:19   (  70.18,  78.12) 02/06/2018   06:33:28  (  70.15,  78.09)    3.02                69
 02/06/2018   07:23:01   ( -70.08,-114.41) 02/06/2018   07:22:57  ( -70.10,-114.35)    3.38                 4
 02/06/2018   08:13:40   (  69.71,  53.45) 02/06/2018   08:12:28  (  69.77,  52.83)   24.83                72
 02/08/2018   22:49:13   (  70.12,-166.03) 02/08/2018   22:49:55  (  70.15,-166.02)    3.58                42
 02/08/2018   23:39:55   ( -70.02,   1.44) 02/08/2018   23:39:25  ( -70.05,   1.46)    3.25                30