Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 7 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)
 07/13/2018   14:15:01   (  70.81, -38.68) 07/13/2018   14:16:09  (  70.72, -36.88)   66.55                68
 07/13/2018   15:05:30   ( -70.04, 129.85) 07/13/2018   15:05:49  ( -70.06, 129.78)    3.15                19
 07/13/2018   15:56:15   (  69.97, -62.73) 07/13/2018   15:55:16  (  69.96, -62.72)    1.41                59
 07/16/2018   06:31:44   (  70.11,  78.20) 07/16/2018   06:32:50  (  70.13,  78.13)    3.51                66
 07/16/2018   07:22:26   ( -70.03,-114.36) 07/16/2018   07:22:20  ( -70.02,-114.40)    1.73                 6
 07/16/2018   08:13:03   (  69.53,  53.69) 07/16/2018   08:11:52  (  69.64,  52.72)   39.44                71
 07/18/2018   22:48:40   (  70.09,-166.01) 07/18/2018   22:49:21  (  70.08,-166.06)    2.16                41
 07/18/2018   23:39:22   ( -70.01,   1.44) 07/18/2018   23:38:50  ( -70.03,   1.50)    3.55                32
 07/21/2018   14:15:04   ( -70.88, 141.19) 07/21/2018   14:16:12  ( -70.80, 143.24)   75.12                68
 07/21/2018   15:05:35   (  70.08, -50.23) 07/21/2018   15:05:50  (  70.09, -50.17)    2.40                15
 07/21/2018   15:56:16   ( -69.94, 117.31) 07/21/2018   15:55:21  ( -69.93, 117.24)    2.68                55
 07/24/2018   06:31:46   ( -70.13,-101.84) 07/24/2018   06:32:54  ( -70.15,-101.85)    2.20                68
 07/24/2018   07:22:30   (  70.02,  65.64) 07/24/2018   07:22:21  (  70.04,  65.64)    2.42                 9
 07/24/2018   08:13:07   ( -69.66,-126.51) 07/24/2018   08:11:55  ( -69.72,-127.17)   26.40                72