Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 2 12.  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)
 02/14/2018   06:32:18   ( -70.21,-101.95) 02/14/2018   06:33:29  ( -70.20,-101.87)    3.33                71
 02/14/2018   07:23:00   (  70.04,  65.62) 02/14/2018   07:22:56  (  70.04,  65.55)    2.66                 4
 02/14/2018   08:13:40   ( -69.85,-126.77) 02/14/2018   08:12:27  ( -69.87,-127.05)   11.06                73
 02/16/2018   22:49:11   ( -70.16,  13.90) 02/16/2018   22:49:57  ( -70.15,  13.94)    1.99                46
 02/16/2018   23:39:55   (  70.05,-178.61) 02/16/2018   23:39:24  (  70.05,-178.56)    2.00                31
 02/19/2018   14:15:37   (  70.94, -38.90) 02/19/2018   14:16:44  (  70.87, -36.75)   78.41                67
 02/19/2018   15:06:05   ( -70.11, 129.75) 02/19/2018   15:06:26  ( -70.10, 129.75)    1.27                21
 02/19/2018   15:56:49   (  70.00, -62.77) 02/19/2018   15:55:53  (  69.99, -62.76)    0.92                56
 02/22/2018   06:32:17   (  70.16,  78.13) 02/22/2018   06:33:25  (  70.15,  78.06)    2.67                68
 02/22/2018   07:22:59   ( -70.06,-114.41) 02/22/2018   07:22:55  ( -70.04,-114.45)    2.55                 4
 02/22/2018   08:13:37   (  69.63,  53.54) 02/22/2018   08:12:26  (  69.71,  52.73)   32.57                71
 02/24/2018   22:49:12   (  70.16,-166.11) 02/24/2018   22:49:53  (  70.14,-166.07)    2.74                41
 02/24/2018   23:39:52   ( -70.01,   1.44) 02/24/2018   23:39:22  ( -70.04,   1.42)    2.95                30