Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 4 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)
 04/16/2019   21:58:57   ( -70.25,  26.42) 04/16/2019   22:00:09  ( -70.24,  26.40)    1.15                72
 04/16/2019   22:49:41   (  70.12,-166.09) 04/16/2019   22:49:36  (  70.13,-166.11)    1.43                 5
 04/16/2019   23:40:20   ( -69.88,   1.60) 04/16/2019   23:39:08  ( -69.91,   1.21)   15.10                72
 04/19/2019   14:15:50   ( -70.21, 142.25) 04/19/2019   14:16:37  ( -70.19, 142.20)    2.76                47
 04/19/2019   15:06:34   (  70.09, -50.26) 04/19/2019   15:06:04  (  70.08, -50.31)    2.34                30
 04/22/2019   05:42:16   (  71.00,  89.43) 04/22/2019   05:43:24  (  70.89,  91.49)   75.89                68
 04/22/2019   06:32:44   ( -70.17,-101.93) 04/22/2019   06:33:05  ( -70.19,-101.92)    2.19                21
 04/22/2019   07:23:28   (  70.06,  65.56) 04/22/2019   07:22:32  (  70.07,  65.56)    2.16                56
 04/24/2019   21:58:56   (  70.23,-153.56) 04/24/2019   22:00:04  (  70.23,-153.61)    1.97                68
 04/24/2019   22:49:38   ( -70.13,  13.90) 04/24/2019   22:49:34  ( -70.13,  13.88)    0.87                 4
 04/24/2019   23:40:17   (  69.76,-178.23) 04/24/2019   23:39:05  (  69.79,-178.95)   28.22                72
 04/27/2019   14:15:50   (  70.20, -37.75) 04/27/2019   14:16:32  (  70.22, -37.75)    3.08                42
 04/27/2019   15:06:32   ( -70.10, 129.72) 04/27/2019   15:06:02  ( -70.13, 129.75)    3.42                30