Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 10 12.  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)
 10/12/2019   15:05:48   (  70.21, -50.41) 10/12/2019   15:07:00  (  70.15, -50.15)   12.31                72
 10/12/2019   15:56:27   ( -69.96, 117.29) 10/12/2019   15:56:31  ( -69.98, 117.25)    2.77                 4
 10/12/2019   16:47:11   (  69.84, -75.23) 10/12/2019   16:45:58  (  69.88, -75.25)    3.51                73
 10/15/2019   07:22:41   (  70.06,  65.59) 10/15/2019   07:23:31  (  70.06,  65.61)    0.90                50
 10/15/2019   08:13:23   ( -69.96,-126.95) 10/15/2019   08:13:01  ( -69.95,-126.91)    2.25                22
 10/15/2019   09:03:50   (  68.95,  41.82) 10/15/2019   09:02:44  (  68.96,  39.41)   96.35                66
 10/17/2019   23:39:36   (  70.02,-178.58) 10/17/2019   23:40:01  (  70.02,-178.56)    0.96                25
 10/18/2019   00:30:18   ( -69.92, -11.12) 10/18/2019   00:29:31  ( -69.92, -11.08)    1.42                47
 10/20/2019   15:05:50   ( -70.29, 129.45) 10/20/2019   15:07:01  ( -70.20, 129.93)   20.51                71
 10/20/2019   15:56:30   (  69.98, -62.75) 10/20/2019   15:56:30  (  69.99, -62.73)    1.08                 0
 10/20/2019   16:47:12   ( -69.88, 104.72) 10/20/2019   16:46:00  ( -69.88, 104.75)    1.31                72
 10/23/2019   07:22:41   ( -70.04,-114.39) 10/23/2019   07:23:33  ( -70.06,-114.40)    1.52                52
 10/23/2019   08:13:25   (  69.94,  53.07) 10/23/2019   08:13:00  (  69.95,  53.09)    0.83                25
 10/23/2019   09:03:51   ( -68.99,-138.24) 10/23/2019   09:02:44  ( -69.07,-140.46)   88.69                67
 10/25/2019   23:39:36   ( -70.00,   1.44) 10/25/2019   23:40:03  ( -70.01,   1.42)    1.32                27
 10/26/2019   00:30:20   (  69.90, 168.90) 10/26/2019   00:29:30  (  69.90, 168.91)    0.39                50