Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 10 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)
 10/15/2019   07:22:41   (  70.05,  65.60) 10/15/2019   07:23:31  (  70.07,  65.62)    1.95                50
 10/15/2019   08:13:23   ( -69.96,-126.94) 10/15/2019   08:13:01  ( -69.95,-126.91)    1.25                22
 10/15/2019   09:03:50   (  68.94,  41.83) 10/15/2019   09:02:44  (  68.96,  39.42)   96.61                66
 10/17/2019   23:39:35   (  70.01,-178.57) 10/17/2019   23:40:00  (  70.03,-178.55)    2.39                25
 10/18/2019   00:30:17   ( -69.91, -11.10) 10/18/2019   00:29:30  ( -69.92, -11.08)    1.24                47
 10/20/2019   15:05:50   ( -70.29, 129.47) 10/20/2019   15:07:01  ( -70.20, 129.93)   19.71                71
 10/20/2019   15:56:30   (  69.97, -62.74) 10/20/2019   15:56:30  (  69.99, -62.73)    2.26                 0
 10/20/2019   16:47:12   ( -69.87, 104.73) 10/20/2019   16:46:00  ( -69.88, 104.75)    1.40                72
 10/23/2019   07:22:41   ( -70.03,-114.38) 10/23/2019   07:23:33  ( -70.05,-114.41)    2.15                52
 10/23/2019   08:13:25   (  69.93,  53.09) 10/23/2019   08:13:00  (  69.94,  53.09)    1.57                25
 10/23/2019   09:03:51   ( -68.98,-138.23) 10/23/2019   09:02:44  ( -69.07,-140.46)   89.36                67
 10/25/2019   22:49:12   (  71.04,-167.55) 10/25/2019   22:50:18  (  70.93,-164.85)   98.52                66
 10/25/2019   23:39:36   ( -70.00,   1.45) 10/25/2019   23:40:03  ( -70.01,   1.41)    1.83                27
 10/26/2019   00:30:20   (  69.89, 168.91) 10/26/2019   00:29:30  (  69.89, 168.90)    0.63                50
 10/28/2019   15:05:50   (  70.17, -50.37) 10/28/2019   15:07:01  (  70.11, -50.19)    9.12                71
 10/28/2019   15:56:30   ( -69.96, 117.27) 10/28/2019   15:56:32  ( -69.96, 117.22)    2.06                 2
 10/28/2019   16:47:12   (  69.75, -75.11) 10/28/2019   16:46:00  (  69.79, -75.37)   10.83                72