Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 4 16.  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   21:58:56   ( -70.24,  26.43) 04/16/2019   22:00:08  ( -70.25,  26.41)    1.65                72
 04/16/2019   22:49:41   (  70.16,-166.15) 04/16/2019   22:49:35  (  70.14,-166.10)    2.99                 6
 04/16/2019   23:40:20   ( -69.93,   1.53) 04/16/2019   23:39:06  ( -69.98,   1.30)   10.50                74
 04/19/2019   14:15:50   ( -70.20, 142.26) 04/19/2019   14:16:37  ( -70.20, 142.21)    1.88                47
 04/19/2019   15:06:34   (  70.08, -50.24) 04/19/2019   15:06:04  (  70.09, -50.30)    2.35                30
 04/22/2019   05:42:17   (  71.04,  89.36) 04/22/2019   05:43:24  (  70.90,  91.51)   79.46                67
 04/22/2019   06:32:44   ( -70.16,-101.91) 04/22/2019   06:33:06  ( -70.14,-101.99)    3.51                22
 04/22/2019   07:23:29   (  70.10,  65.49) 04/22/2019   07:22:32  (  70.08,  65.58)    3.42                57
 04/24/2019   21:58:56   (  70.22,-153.55) 04/24/2019   22:00:04  (  70.24,-153.60)    3.09                68
 04/24/2019   22:49:38   ( -70.13,  13.91) 04/24/2019   22:49:34  ( -70.14,  13.89)    1.76                 4
 04/24/2019   23:40:17   (  69.75,-178.21) 04/24/2019   23:39:05  (  69.80,-178.94)   28.62                72
 04/27/2019   14:15:50   (  70.24, -37.82) 04/27/2019   14:16:31  (  70.23, -37.74)    3.24                41
 04/27/2019   15:06:31   ( -70.09, 129.73) 04/27/2019   15:06:02  ( -70.08, 129.68)    2.41                29
 04/30/2019   05:42:14   ( -71.05, -90.66) 04/30/2019   05:43:21  ( -70.94, -88.44)   81.40                67
 04/30/2019   06:32:43   (  70.16,  78.08) 04/30/2019   06:33:00  (  70.16,  78.05)    1.21                17
 04/30/2019   07:23:25   ( -70.06,-114.45) 04/30/2019   07:22:30  ( -70.07,-114.45)    1.11                55