Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2018 8 30.  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)
 08/30/2018   15:05:46   ( -70.08, 129.72) 08/30/2018   15:06:12  ( -70.08, 129.80)    3.01                26
 08/30/2018   15:56:29   (  69.92, -62.72) 08/30/2018   15:55:40  (  69.93, -62.78)    2.36                49
 09/02/2018   06:32:01   (  70.24,  77.93) 09/02/2018   06:33:12  (  70.20,  78.21)   11.83                71
 09/02/2018   07:22:41   ( -70.04,-114.45) 09/02/2018   07:22:43  ( -70.03,-114.39)    2.25                 2
 09/02/2018   08:13:24   (  69.88,  53.11) 09/02/2018   08:12:11  (  69.87,  53.03)    3.04                73
 09/04/2018   22:48:54   (  70.10,-166.08) 09/04/2018   22:49:44  (  70.09,-166.07)    1.42                50
 09/04/2018   23:39:36   ( -70.00,   1.39) 09/04/2018   23:39:14  ( -69.98,   1.41)    2.35                22
 09/05/2018   00:30:03   (  68.98, 170.15) 09/05/2018   00:28:56  (  69.04, 167.80)   94.11                67
 09/07/2018   15:05:48   (  70.06, -50.26) 09/07/2018   15:06:13  (  70.08, -50.19)    3.32                25
 09/07/2018   15:56:29   ( -69.90, 117.29) 09/07/2018   15:55:44  ( -69.92, 117.21)    3.60                45
 09/10/2018   06:32:03   ( -70.34,-102.23) 09/10/2018   06:33:15  ( -70.24,-101.73)   21.41                72
 09/10/2018   07:22:43   (  70.03,  65.56) 09/10/2018   07:22:44  (  70.02,  65.60)    1.64                 1
 09/10/2018   08:13:25   ( -69.92,-126.96) 09/10/2018   08:12:14  ( -69.92,-126.91)    1.87                71
 09/12/2018   22:48:54   ( -70.09,  13.92) 09/12/2018   22:49:48  ( -70.07,  13.90)    2.68                54
 09/12/2018   23:39:37   (  69.94,-178.54) 09/12/2018   23:39:15  (  69.95,-178.62)    3.12                22