Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 2 1.  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)
 02/03/2018   14:15:41   (  71.07, -39.10) 02/03/2018   14:16:47  (  70.96, -36.60)   91.18                66
 02/03/2018   15:06:06   ( -70.09, 129.81) 02/03/2018   15:06:32  ( -70.11, 129.76)    2.79                26
 02/03/2018   15:56:50   (  69.98, -62.71) 02/03/2018   15:55:58  (  69.98, -62.78)    2.41                52
 02/06/2018   06:32:19   (  70.18,  78.12) 02/06/2018   06:33:29  (  70.18,  78.12)    0.60                70
 02/06/2018   07:23:01   ( -70.09,-114.42) 02/06/2018   07:23:00  ( -70.10,-114.37)    2.94                 1
 02/06/2018   08:13:41   (  69.76,  53.37) 02/06/2018   08:12:29  (  69.80,  52.86)   20.28                72
 02/08/2018   22:49:13   (  70.12,-166.03) 02/08/2018   22:49:58  (  70.12,-166.10)    2.65                45
 02/08/2018   23:39:55   ( -70.03,   1.43) 02/08/2018   23:39:29  ( -70.04,   1.42)    1.27                26
 02/11/2018   14:15:39   ( -71.06, 140.91) 02/11/2018   14:16:46  ( -70.95, 143.37)   89.94                67
 02/11/2018   15:06:07   (  70.12, -50.26) 02/11/2018   15:06:25  (  70.10, -50.24)    2.44                18
 02/11/2018   15:56:49   ( -70.02, 117.21) 02/11/2018   15:55:56  ( -70.02, 117.28)    2.70                53
 02/14/2018   06:32:17   ( -70.17,-101.88) 02/14/2018   06:33:28  ( -70.16,-101.92)    1.86                71
 02/14/2018   07:23:01   (  70.07,  65.59) 02/14/2018   07:22:53  (  70.08,  65.61)    1.88                 8
 02/14/2018   08:13:40   ( -69.81,-126.70) 02/14/2018   08:12:27  ( -69.84,-127.10)   15.60                73