Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 5 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)
 05/13/2018   06:31:49   (  70.19,  78.09) 05/13/2018   06:32:41  (  70.19,  78.06)    1.44                52
 05/13/2018   07:22:31   ( -70.10,-114.45) 05/13/2018   07:22:11  ( -70.07,-114.48)    3.03                20
 05/13/2018   08:12:59   (  69.13,  54.27) 05/13/2018   08:11:52  (  69.20,  51.98)   90.66                67
 05/15/2018   22:48:42   (  70.15,-166.07) 05/15/2018   22:49:09  (  70.14,-166.13)    2.46                27
 05/15/2018   23:39:24   ( -70.05,   1.39) 05/15/2018   23:38:38  ( -70.08,   1.42)    3.26                46
 05/18/2018   14:14:54   ( -70.43, 141.96) 05/18/2018   14:16:06  ( -70.36, 142.42)   18.58                72
 05/18/2018   15:05:35   (  70.16, -50.32) 05/18/2018   15:05:35  (  70.14, -50.25)    3.40                 0
 05/18/2018   15:56:16   ( -70.01, 117.23) 05/18/2018   15:55:05  ( -70.03, 117.23)    2.30                71
 05/21/2018   06:31:43   ( -70.18,-101.87) 05/21/2018   06:32:36  ( -70.20,-101.94)    3.42                53
 05/21/2018   07:22:27   (  70.07,  65.59) 05/21/2018   07:22:03  (  70.09,  65.55)    2.29                24
 05/21/2018   08:12:54   ( -69.18,-125.78) 05/21/2018   08:11:47  ( -69.21,-128.01)   87.92                67
 05/23/2018   22:48:37   ( -70.19,  13.88) 05/23/2018   22:49:03  ( -70.20,  13.94)    2.37                26
 05/23/2018   23:39:21   (  70.09,-178.66) 05/23/2018   23:38:30  (  70.08,-178.58)    3.11                51
 05/26/2018   14:14:49   (  70.31, -37.85) 05/26/2018   14:16:00  (  70.29, -37.68)    6.83                71
 05/26/2018   15:05:30   ( -70.15, 129.71) 05/26/2018   15:05:31  ( -70.13, 129.73)    2.13                 1
 05/26/2018   15:56:12   (  69.95, -62.67) 05/26/2018   15:54:59  (  69.96, -62.87)    7.76                73