Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 4 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)
 04/14/2019   05:42:20   ( -71.15, -90.83) 04/14/2019   05:43:26  ( -71.07, -88.23)   94.04                66
 04/14/2019   06:32:48   (  70.20,  78.03) 04/14/2019   06:33:07  (  70.20,  78.11)    2.69                19
 04/14/2019   07:23:29   ( -70.06,-114.44) 04/14/2019   07:22:37  ( -70.09,-114.42)    3.30                52
 04/16/2019   21:58:56   ( -70.23,  26.45) 04/16/2019   22:00:08  ( -70.25,  26.42)    2.95                72
 04/16/2019   22:49:41   (  70.16,-166.14) 04/16/2019   22:49:35  (  70.14,-166.10)    2.90                 6
 04/16/2019   23:40:20   ( -69.92,   1.55) 04/16/2019   23:39:06  ( -69.98,   1.31)   11.45                74
 04/19/2019   14:15:50   ( -70.19, 142.27) 04/19/2019   14:16:37  ( -70.19, 142.21)    2.31                47
 04/19/2019   15:06:34   (  70.08, -50.24) 04/19/2019   15:06:04  (  70.08, -50.31)    2.44                30
 04/22/2019   05:42:16   (  70.99,  89.44) 04/22/2019   05:43:24  (  70.89,  91.49)   75.23                68
 04/22/2019   06:32:44   ( -70.16,-101.91) 04/22/2019   06:33:05  ( -70.18,-101.92)    2.80                21
 04/22/2019   07:23:28   (  70.05,  65.57) 04/22/2019   07:22:32  (  70.07,  65.55)    2.04                56
 04/24/2019   21:58:56   (  70.23,-153.56) 04/24/2019   22:00:04  (  70.21,-153.64)    3.32                68
 04/24/2019   22:49:38   ( -70.13,  13.91) 04/24/2019   22:49:34  ( -70.12,  13.86)    2.45                 4
 04/24/2019   23:40:16   (  69.70,-178.15) 04/24/2019   23:39:05  (  69.77,-178.97)   32.82                71