Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 4 13.  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)
 04/14/2019   05:42:19   ( -71.14, -90.81) 04/14/2019   05:43:25  ( -71.08, -88.21)   93.84                66
 04/14/2019   06:32:47   (  70.18,  78.05) 04/14/2019   06:33:07  (  70.16,  78.05)    3.17                20
 04/14/2019   07:23:28   ( -70.05,-114.42) 04/14/2019   07:22:37  ( -70.05,-114.48)    2.03                51
 04/16/2019   21:58:57   ( -70.27,  26.38) 04/16/2019   22:00:08  ( -70.26,  26.43)    1.95                71
 04/16/2019   22:49:41   (  70.15,-166.12) 04/16/2019   22:49:35  (  70.15,-166.08)    1.67                 6
 04/16/2019   23:40:20   ( -69.91,   1.56) 04/16/2019   23:39:07  ( -69.94,   1.25)   12.50                73
 04/19/2019   14:15:51   ( -70.23, 142.21) 04/19/2019   14:16:37  ( -70.20, 142.23)    3.11                46
 04/19/2019   15:06:35   (  70.12, -50.30) 04/19/2019   15:06:04  (  70.09, -50.29)    2.93                31
 04/22/2019   05:42:17   (  71.03,  89.38) 04/22/2019   05:43:24  (  70.90,  91.50)   78.47                67
 04/22/2019   06:32:45   ( -70.20,-101.97) 04/22/2019   06:33:05  ( -70.20,-101.91)    2.30                20
 04/22/2019   07:23:29   (  70.09,  65.51) 04/22/2019   07:22:32  (  70.08,  65.57)    2.37                57
 04/24/2019   21:58:56   (  70.26,-153.62) 04/24/2019   22:00:02  (  70.28,-153.54)    3.31                66
 04/24/2019   22:49:37   ( -70.11,  13.93) 04/24/2019   22:49:33  ( -70.13,  13.87)    2.66                 4
 04/24/2019   23:40:16   (  69.74,-178.20) 04/24/2019   23:39:04  (  69.78,-178.96)   29.69                72