Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 4 16.  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)
 04/16/2018   14:15:13   ( -70.59, 141.67) 04/16/2018   14:16:24  ( -70.45, 142.57)   36.95                71
 04/16/2018   15:05:50   (  70.10, -50.26) 04/16/2018   15:05:55  (  70.13, -50.24)    3.38                 5
 04/16/2018   15:56:32   ( -70.02, 117.19) 04/16/2018   15:55:25  ( -70.01, 117.23)    1.55                67
 04/19/2018   06:32:00   ( -70.21,-101.97) 04/19/2018   06:32:56  ( -70.20,-101.92)    2.66                56
 04/19/2018   07:22:44   (  70.10,  65.52) 04/19/2018   07:22:23  (  70.09,  65.58)    2.55                21
 04/19/2018   08:13:13   ( -69.32,-126.02) 04/19/2018   08:12:04  ( -69.37,-127.77)   68.84                69
 04/21/2018   22:48:53   ( -70.15,  13.90) 04/21/2018   22:49:24  ( -70.16,  13.90)    0.37                31
 04/21/2018   23:39:37   (  70.04,-178.63) 04/21/2018   23:38:51  (  70.05,-178.60)    1.09                46
 04/24/2018   14:15:08   (  70.40, -38.04) 04/24/2018   14:16:20  (  70.33, -37.60)   18.40                72
 04/24/2018   15:05:46   ( -70.10, 129.76) 04/24/2018   15:05:52  ( -70.11, 129.72)    2.25                 6
 04/24/2018   15:56:30   (  69.99, -62.77) 04/24/2018   15:55:19  (  70.00, -62.79)    1.50                71
 04/27/2018   06:31:57   (  70.19,  78.07) 04/27/2018   06:32:49  (  70.17,  78.05)    3.04                52
 04/27/2018   07:22:39   ( -70.09,-114.46) 04/27/2018   07:22:19  ( -70.06,-114.47)    3.39                20
 04/27/2018   08:13:07   (  69.14,  54.24) 04/27/2018   08:12:00  (  69.17,  51.97)   89.71                67
 04/29/2018   22:48:50   (  70.14,-166.08) 04/29/2018   22:49:16  (  70.16,-166.07)    2.63                26
 04/29/2018   23:39:32   ( -70.04,   1.40) 04/29/2018   23:38:46  ( -70.06,   1.41)    2.90                46