Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 1 3.  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)
 01/05/2018   06:32:30   (  70.66,  77.41) 01/05/2018   06:33:40  (  70.53,  78.62)   46.92                70
 01/05/2018   07:23:03   ( -70.09,-114.37) 01/05/2018   07:23:16  ( -70.09,-114.40)    1.30                13
 01/05/2018   08:13:47   (  69.99,  53.10) 01/05/2018   08:12:43  (  69.98,  53.11)    0.32                64
 01/07/2018   22:49:14   (  70.15,-166.01) 01/07/2018   22:50:15  (  70.14,-166.07)    2.38                61
 01/07/2018   23:39:56   ( -70.06,   1.46) 01/07/2018   23:39:45  ( -70.03,   1.41)    3.22                11
 01/08/2018   00:30:30   (  69.42, 169.71) 01/08/2018   00:29:20  (  69.49, 168.30)   55.28                70
 01/10/2018   15:06:06   (  70.12, -50.18) 01/10/2018   15:06:42  (  70.14, -50.19)    2.10                36
 01/10/2018   15:56:48   ( -70.02, 117.29) 01/10/2018   15:56:12  ( -70.03, 117.28)    1.25                36
 01/13/2018   06:32:26   ( -70.76,-102.73) 01/13/2018   06:33:35  ( -70.67,-101.17)   58.03                69
 01/13/2018   07:22:59   (  70.08,  65.65) 01/13/2018   07:23:11  (  70.07,  65.59)    2.55                12
 01/13/2018   08:13:41   ( -69.98,-126.88) 01/13/2018   08:12:41  ( -69.96,-126.93)    2.44                60
 01/15/2018   22:49:08   ( -70.14,  14.02) 01/15/2018   22:50:12  ( -70.16,  13.96)    3.08                64
 01/15/2018   23:39:52   (  70.04,-178.53) 01/15/2018   23:39:39  (  70.05,-178.55)    1.09                13
 01/16/2018   00:30:26   ( -69.51, -10.43) 01/16/2018   00:29:15  ( -69.62, -11.52)   43.92                71