Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 2 8.  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)
 02/08/2018   22:49:13   (  70.16,-166.08) 02/08/2018   22:49:58  (  70.17,-166.02)    2.80                45
 02/08/2018   23:39:55   ( -70.07,   1.37) 02/08/2018   23:39:28  ( -70.05,   1.45)    3.32                27
 02/11/2018   14:15:40   ( -71.11, 140.84) 02/11/2018   14:16:46  ( -70.99, 143.45)   95.12                66
 02/11/2018   15:06:07   (  70.10, -50.24) 02/11/2018   15:06:27  (  70.13, -50.20)    2.95                20
 02/11/2018   15:56:49   ( -70.01, 117.22) 02/11/2018   15:55:57  ( -70.02, 117.27)    2.05                52
 02/14/2018   06:32:18   ( -70.22,-101.95) 02/14/2018   06:33:29  ( -70.19,-101.88)    4.26                71
 02/14/2018   07:23:01   (  70.05,  65.61) 02/14/2018   07:22:56  (  70.08,  65.61)    3.29                 5
 02/14/2018   08:13:41   ( -69.86,-126.78) 02/14/2018   08:12:27  ( -69.92,-126.98)   10.64                74
 02/16/2018   22:49:12   ( -70.17,  13.90) 02/16/2018   22:49:58  ( -70.14,  13.93)    2.84                46
 02/16/2018   23:39:55   (  70.06,-178.63) 02/16/2018   23:39:24  (  70.03,-178.58)    3.01                31
 02/19/2018   14:15:37   (  70.95, -38.91) 02/19/2018   14:16:44  (  70.86, -36.77)   78.51                67
 02/19/2018   15:06:05   ( -70.11, 129.74) 02/19/2018   15:06:26  ( -70.10, 129.74)    2.11                21
 02/19/2018   15:56:49   (  70.00, -62.78) 02/19/2018   15:55:53  (  69.98, -62.77)    2.65                56
 02/22/2018   06:32:17   (  70.16,  78.12) 02/22/2018   06:33:25  (  70.14,  78.06)    3.23                68
 02/22/2018   07:22:59   ( -70.06,-114.41) 02/22/2018   07:22:55  ( -70.04,-114.45)    2.79                 4
 02/22/2018   08:13:37   (  69.64,  53.54) 02/22/2018   08:12:26  (  69.70,  52.72)   32.26                71