Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 1 11.  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)
 01/13/2018   06:32:27   ( -70.64,-102.56) 01/13/2018   06:33:37  ( -70.54,-101.37)   45.13                70
 01/13/2018   07:23:03   (  70.11,  65.59) 01/13/2018   07:23:10  (  70.11,  65.65)    2.60                 7
 01/13/2018   08:13:45   ( -70.01,-126.95) 01/13/2018   08:12:40  ( -70.00,-126.88)    3.28                65
 01/15/2018   22:49:13   ( -70.15,  13.98) 01/15/2018   22:50:12  ( -70.15,  13.94)    1.62                59
 01/15/2018   23:39:57   (  70.04,-178.55) 01/15/2018   23:39:39  (  70.04,-178.56)    0.77                18
 01/16/2018   00:30:28   ( -69.36, -10.23) 01/16/2018   00:29:18  ( -69.44, -11.77)   60.64                70
 01/18/2018   15:06:08   ( -70.13, 129.77) 01/18/2018   15:06:40  ( -70.13, 129.80)    1.02                32
 01/18/2018   15:56:52   (  70.03, -62.76) 01/18/2018   15:56:07  (  70.02, -62.71)    1.95                45
 01/21/2018   06:32:25   (  70.43,  77.75) 01/21/2018   06:33:36  (  70.33,  78.33)   24.33                71
 01/21/2018   07:23:02   ( -70.06,-114.36) 01/21/2018   07:23:09  ( -70.06,-114.43)    2.69                 7
 01/21/2018   08:13:46   (  69.96,  53.11) 01/21/2018   08:12:36  (  69.95,  53.06)    2.30                70
 01/23/2018   22:49:14   (  70.15,-166.05) 01/23/2018   22:50:06  (  70.14,-166.06)    2.02                52
 01/23/2018   23:39:56   ( -70.05,   1.43) 01/23/2018   23:39:36  ( -70.03,   1.42)    1.91                20