Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 7 10.  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)
 07/11/2019   06:32:20   ( -70.61,-102.58) 07/11/2019   06:33:30  ( -70.51,-101.35)   47.29                70
 07/11/2019   07:22:55   (  70.02,  65.65) 07/11/2019   07:23:04  (  70.03,  65.60)    2.22                 9
 07/11/2019   08:13:37   ( -69.94,-126.90) 07/11/2019   08:12:34  ( -69.91,-126.93)    3.04                63
 07/13/2019   22:49:04   ( -70.10,  14.00) 07/13/2019   22:50:07  ( -70.10,  13.94)    2.10                63
 07/13/2019   23:39:48   (  69.98,-178.51) 07/13/2019   23:39:34  (  70.00,-178.56)    2.32                14
 07/14/2019   00:30:22   ( -69.48, -10.45) 07/14/2019   00:29:11  ( -69.50, -11.61)   45.34                71
 07/16/2019   15:05:57   ( -70.06, 129.83) 07/16/2019   15:06:37  ( -70.07, 129.78)    1.88                40
 07/16/2019   15:56:41   (  69.95, -62.69) 07/16/2019   15:56:04  (  69.96, -62.73)    2.27                37
 07/19/2019   06:32:19   (  70.75,  77.20) 07/19/2019   06:33:27  (  70.63,  78.86)   62.16                68
 07/19/2019   07:22:49   ( -70.03,-114.34) 07/19/2019   07:23:06  ( -70.03,-114.39)    1.79                17
 07/19/2019   08:13:33   (  69.91,  53.14) 07/19/2019   08:12:33  (  69.92,  53.10)    1.87                60
 07/21/2019   22:49:00   (  70.08,-165.97) 07/21/2019   22:50:06  (  70.10,-166.04)    3.20                66
 07/21/2019   23:39:42   ( -69.99,   1.49) 07/21/2019   23:39:36  ( -70.00,   1.44)    1.64                 6
 07/22/2019   00:30:19   (  69.51, 169.51) 07/22/2019   00:29:08  (  69.61, 168.55)   38.85                71