Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 9 18.  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)
 09/18/2019   15:05:42   ( -70.33, 129.44) 09/18/2019   15:06:54  ( -70.25, 130.02)   23.41                72
 09/18/2019   15:56:22   (  70.01, -62.74) 09/18/2019   15:56:24  (  69.98, -62.72)    3.14                 2
 09/18/2019   16:47:03   ( -69.86, 104.79) 09/18/2019   16:45:54  ( -69.88, 104.76)    1.61                69
 09/21/2019   07:22:33   ( -70.06,-114.37) 09/21/2019   07:23:28  ( -70.04,-114.41)    3.05                55
 09/21/2019   08:13:17   (  69.95,  53.11) 09/21/2019   08:12:55  (  69.93,  53.08)    2.70                22
 09/21/2019   09:03:45   ( -69.11,-138.36) 09/21/2019   09:02:37  ( -69.16,-140.32)   77.76                68
 09/23/2019   23:39:29   ( -70.05,   1.41) 09/23/2019   23:39:58  ( -70.04,   1.47)    2.73                29
 09/24/2019   00:30:13   (  69.94, 168.88) 09/24/2019   00:29:25  (  69.92, 168.96)    3.48                48
 09/26/2019   15:05:44   (  70.25, -50.45) 09/26/2019   15:06:56  (  70.19, -50.07)   16.15                72
 09/26/2019   15:56:23   ( -69.99, 117.27) 09/26/2019   15:56:28  ( -69.98, 117.27)    1.54                 5
 09/26/2019   16:47:07   (  69.89, -75.27) 09/26/2019   16:45:55  (  69.87, -75.25)    2.73                72
 09/29/2019   07:22:36   (  70.04,  65.64) 09/29/2019   07:23:28  (  70.07,  65.64)    3.25                52
 09/29/2019   08:13:18   ( -69.94,-126.88) 09/29/2019   08:12:59  ( -69.92,-126.94)    2.98                19
 09/29/2019   09:03:46   (  68.98,  41.80) 09/29/2019   09:02:40  (  69.03,  39.51)   91.19                66
 10/01/2019   23:39:31   (  69.99,-178.52) 10/01/2019   23:39:59  (  70.01,-178.57)    2.57                28
 10/02/2019   00:30:13   ( -69.88, -11.04) 10/02/2019   00:29:29  ( -69.91, -11.07)    3.21                44