Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 5 17.  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)
 05/18/2019   21:59:00   ( -70.87,  25.41) 05/18/2019   22:00:08  ( -70.80,  27.32)   70.23                68
 05/18/2019   22:49:31   (  70.07,-166.02) 05/18/2019   22:49:46  (  70.09,-166.09)    2.83                15
 05/18/2019   23:40:13   ( -69.98,   1.44) 05/18/2019   23:39:16  ( -69.99,   1.41)    1.37                57
 05/21/2019   14:15:40   ( -70.17, 142.30) 05/21/2019   14:16:49  ( -70.18, 142.29)    1.81                69
 05/21/2019   15:06:24   (  70.06, -50.23) 05/21/2019   15:06:16  (  70.07, -50.23)    0.92                 8
 05/21/2019   15:57:02   ( -69.75, 117.55) 05/21/2019   15:55:49  ( -69.81, 117.03)   20.81                73
 05/24/2019   06:32:34   ( -70.15,-101.91) 05/24/2019   06:33:20  ( -70.16,-101.87)    2.03                46
 05/24/2019   07:23:18   (  70.05,  65.56) 05/24/2019   07:22:47  (  70.05,  65.61)    1.97                31
 05/26/2019   21:59:02   (  71.08,-154.95) 05/26/2019   22:00:08  (  70.95,-152.45)   91.85                66
 05/26/2019   22:49:27   ( -70.09,  13.97) 05/26/2019   22:49:52  ( -70.09,  13.90)    2.59                25
 05/26/2019   23:40:11   (  69.98,-178.57) 05/26/2019   23:39:19  (  69.97,-178.62)    2.93                52
 05/29/2019   14:15:40   (  70.23, -37.80) 05/29/2019   14:16:52  (  70.20, -37.68)    5.41                72
 05/29/2019   15:06:21   ( -70.07, 129.76) 05/29/2019   15:06:23  ( -70.06, 129.74)    1.95                 2
 05/29/2019   15:57:03   (  69.87, -62.62) 05/29/2019   15:55:51  (  69.88, -62.86)    9.33                72