Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 7 13.  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)
 07/13/2019   22:49:04   ( -70.11,  13.99) 07/13/2019   22:50:07  ( -70.09,  13.93)    2.45                63
 07/13/2019   23:39:48   (  69.98,-178.52) 07/13/2019   23:39:34  (  70.00,-178.56)    2.23                14
 07/14/2019   00:30:21   ( -69.43, -10.38) 07/14/2019   00:29:11  ( -69.50, -11.62)   48.89                70
 07/16/2019   15:05:57   ( -70.07, 129.82) 07/16/2019   15:06:37  ( -70.07, 129.78)    1.78                40
 07/16/2019   15:56:41   (  69.95, -62.68) 07/16/2019   15:56:04  (  69.96, -62.72)    2.53                37
 07/19/2019   06:32:19   (  70.74,  77.21) 07/19/2019   06:33:27  (  70.64,  78.86)   62.01                68
 07/19/2019   07:22:49   ( -70.03,-114.34) 07/19/2019   07:23:06  ( -70.04,-114.38)    1.85                17
 07/19/2019   08:13:33   (  69.91,  53.15) 07/19/2019   08:12:33  (  69.93,  53.11)    2.69                60
 07/21/2019   22:49:01   (  70.13,-166.04) 07/21/2019   22:50:06  (  70.11,-166.03)    2.38                65
 07/21/2019   23:39:42   ( -69.99,   1.49) 07/21/2019   23:39:36  ( -70.00,   1.45)    2.10                 6
 07/22/2019   00:30:20   (  69.55, 169.44) 07/22/2019   00:29:09  (  69.56, 168.49)   37.12                71
 07/24/2019   15:05:54   (  70.09, -50.21) 07/24/2019   15:06:36  (  70.07, -50.20)    2.81                42
 07/24/2019   15:56:35   ( -69.95, 117.32) 07/24/2019   15:56:06  ( -69.97, 117.28)    2.21                29