Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 5 15.  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)
 05/15/2018   22:48:42   (  70.16,-166.08) 05/15/2018   22:49:08  (  70.19,-166.07)    3.44                26
 05/15/2018   23:39:24   ( -70.07,   1.37) 05/15/2018   23:38:38  ( -70.07,   1.40)    1.09                46
 05/18/2018   14:14:55   ( -70.44, 141.94) 05/18/2018   14:16:07  ( -70.35, 142.40)   20.07                72
 05/18/2018   15:05:35   (  70.12, -50.25) 05/18/2018   15:05:36  (  70.14, -50.26)    1.64                 1
 05/18/2018   15:56:17   ( -70.03, 117.21) 05/18/2018   15:55:06  ( -70.02, 117.21)    0.72                71
 05/21/2018   06:31:43   ( -70.19,-101.90) 05/21/2018   06:32:36  ( -70.19,-101.95)    2.14                53
 05/21/2018   07:22:27   (  70.09,  65.57) 05/21/2018   07:22:03  (  70.08,  65.54)    1.52                24
 05/21/2018   08:12:54   ( -69.20,-125.81) 05/21/2018   08:11:46  ( -69.25,-127.95)   84.79                68
 05/23/2018   22:48:36   ( -70.16,  13.93) 05/23/2018   22:49:03  ( -70.19,  13.93)    2.92                27
 05/23/2018   23:39:20   (  70.06,-178.60) 05/23/2018   23:38:30  (  70.07,-178.59)    2.20                50
 05/26/2018   14:14:49   (  70.34, -37.88) 05/26/2018   14:16:00  (  70.28, -37.69)    9.33                71
 05/26/2018   15:05:29   ( -70.13, 129.76) 05/26/2018   15:05:31  ( -70.12, 129.72)    1.41                 2
 05/26/2018   15:56:11   (  69.92, -62.62) 05/26/2018   15:54:59  (  69.96, -62.87)   10.46                72
 05/29/2018   06:31:40   (  70.20,  78.10) 05/29/2018   06:32:28  (  70.22,  78.10)    1.54                48
 05/29/2018   07:22:22   ( -70.10,-114.42) 05/29/2018   07:21:58  ( -70.11,-114.42)    1.92                24