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,-102.57) 07/11/2019   06:33:30  ( -70.51,-101.34)   46.89                70
 07/11/2019   07:22:55   (  70.01,  65.67) 07/11/2019   07:23:04  (  70.03,  65.61)    3.13                 9
 07/11/2019   08:13:37   ( -69.93,-126.89) 07/11/2019   08:12:34  ( -69.92,-126.92)    1.88                63
 07/13/2019   22:49:04   ( -70.10,  14.01) 07/13/2019   22:50:07  ( -70.10,  13.95)    2.39                63
 07/13/2019   23:39:49   (  70.03,-178.58) 07/13/2019   23:39:34  (  70.00,-178.55)    3.22                15
 07/14/2019   00:30:22   ( -69.47, -10.44) 07/14/2019   00:29:11  ( -69.50, -11.60)   45.57                71
 07/16/2019   15:05:56   ( -70.06, 129.84) 07/16/2019   15:06:36  ( -70.07, 129.78)    2.50                40
 07/16/2019   15:56:41   (  69.99, -62.76) 07/16/2019   15:56:03  (  69.97, -62.72)    3.31                38
 07/19/2019   06:32:19   (  70.74,  77.21) 07/19/2019   06:33:27  (  70.63,  78.86)   61.70                68
 07/19/2019   07:22:49   ( -70.02,-114.33) 07/19/2019   07:23:06  ( -70.04,-114.39)    2.40                17
 07/19/2019   08:13:33   (  69.91,  53.15) 07/19/2019   08:12:33  (  69.93,  53.11)    2.73                60
 07/21/2019   22:49:01   (  70.13,-166.04) 07/21/2019   22:50:06  (  70.10,-166.05)    3.72                65
 07/21/2019   23:39:42   ( -69.99,   1.49) 07/21/2019   23:39:36  ( -69.99,   1.44)    2.09                 6
 07/22/2019   00:30:19   (  69.50, 169.52) 07/22/2019   00:29:08  (  69.61, 168.55)   39.36                71
 07/24/2019   15:05:54   (  70.10, -50.22) 07/24/2019   15:06:35  (  70.11, -50.15)    2.74                41
 07/24/2019   15:56:35   ( -69.96, 117.32) 07/24/2019   15:56:06  ( -69.95, 117.26)    2.28                29