Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 4 19.  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)
 04/19/2019   14:15:50   ( -70.21, 142.25) 04/19/2019   14:16:36  ( -70.23, 142.26)    2.68                46
 04/19/2019   15:06:34   (  70.09, -50.26) 04/19/2019   15:06:04  (  70.07, -50.32)    2.69                30
 04/22/2019   05:42:16   (  70.99,  89.43) 04/22/2019   05:43:24  (  70.88,  91.48)   75.37                68
 04/22/2019   06:32:44   ( -70.17,-101.93) 04/22/2019   06:33:05  ( -70.17,-101.94)    0.61                21
 04/22/2019   07:23:28   (  70.05,  65.56) 04/22/2019   07:22:32  (  70.07,  65.55)    1.55                56
 04/24/2019   21:58:56   (  70.23,-153.56) 04/24/2019   22:00:04  (  70.22,-153.64)    3.08                68
 04/24/2019   22:49:38   ( -70.14,  13.90) 04/24/2019   22:49:34  ( -70.11,  13.85)    3.30                 4
 04/24/2019   23:40:16   (  69.70,-178.15) 04/24/2019   23:39:05  (  69.78,-178.97)   33.02                71
 04/27/2019   14:15:50   (  70.20, -37.74) 04/27/2019   14:16:32  (  70.20, -37.78)    1.49                42
 04/27/2019   15:06:32   ( -70.10, 129.72) 04/27/2019   15:06:02  ( -70.10, 129.71)    0.39                30
 04/30/2019   05:42:13   ( -71.00, -90.59) 04/30/2019   05:43:21  ( -70.90, -88.51)   76.47                68
 04/30/2019   06:32:43   (  70.17,  78.07) 04/30/2019   06:32:59  (  70.18,  78.07)    1.73                16
 04/30/2019   07:23:25   ( -70.07,-114.46) 04/30/2019   07:22:29  ( -70.08,-114.43)    2.05                56
 05/02/2019   21:58:53   ( -70.24,  26.42) 05/02/2019   22:00:01  ( -70.23,  26.37)    2.42                68
 05/02/2019   22:49:37   (  70.14,-166.12) 05/02/2019   22:49:27  (  70.16,-166.08)    2.66                10
 05/02/2019   23:40:14   ( -69.77,   1.75) 05/02/2019   23:39:02  ( -69.79,   1.03)   27.71                72