Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 2 15.  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)
 02/16/2018   22:49:11   ( -70.17,  13.89) 02/16/2018   22:49:57  ( -70.15,  13.94)    2.72                46
 02/16/2018   23:39:55   (  70.05,-178.62) 02/16/2018   23:39:24  (  70.05,-178.56)    2.10                31
 02/19/2018   14:15:37   (  70.94, -38.90) 02/19/2018   14:16:44  (  70.86, -36.76)   78.52                67
 02/19/2018   15:06:05   ( -70.12, 129.74) 02/19/2018   15:06:26  ( -70.10, 129.74)    2.68                21
 02/19/2018   15:56:49   (  70.00, -62.78) 02/19/2018   15:55:53  (  69.99, -62.77)    1.65                56
 02/22/2018   06:32:17   (  70.16,  78.12) 02/22/2018   06:33:25  (  70.14,  78.05)    3.39                68
 02/22/2018   07:22:59   ( -70.07,-114.42) 02/22/2018   07:22:54  ( -70.09,-114.39)    2.51                 5
 02/22/2018   08:13:37   (  69.64,  53.53) 02/22/2018   08:12:26  (  69.70,  52.72)   32.32                71
 02/24/2018   22:49:11   (  70.11,-166.04) 02/24/2018   22:49:53  (  70.13,-166.09)    2.40                42
 02/24/2018   23:39:53   ( -70.02,   1.42) 02/24/2018   23:39:23  ( -70.02,   1.40)    0.94                30
 02/27/2018   14:15:34   ( -70.91, 141.15) 02/27/2018   14:16:42  ( -70.82, 143.18)   74.46                68
 02/27/2018   15:06:05   (  70.12, -50.28) 02/27/2018   15:06:20  (  70.11, -50.24)    2.17                15
 02/27/2018   15:56:47   ( -70.02, 117.18) 02/27/2018   15:55:50  ( -70.01, 117.25)    3.40                57