Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2019 7 15.  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)
 07/16/2019   15:05:57   ( -70.10, 129.77) 07/16/2019   15:06:36  ( -70.09, 129.81)    1.75                39
 07/16/2019   15:56:41   (  69.98, -62.73) 07/16/2019   15:56:03  (  69.99, -62.69)    2.06                38
 07/19/2019   06:32:19   (  70.72,  77.24) 07/19/2019   06:33:28  (  70.61,  78.82)   59.42                69
 07/19/2019   07:22:50   ( -70.06,-114.39) 07/19/2019   07:23:06  ( -70.06,-114.35)    1.64                16
 07/19/2019   08:13:34   (  69.94,  53.10) 07/19/2019   08:12:33  (  69.96,  53.15)    2.48                61
 07/21/2019   22:49:01   (  70.11,-166.01) 07/21/2019   22:50:06  (  70.14,-165.99)    2.85                65
 07/21/2019   23:39:43   ( -70.03,   1.44) 07/21/2019   23:39:36  ( -70.03,   1.49)    1.89                 7
 07/22/2019   00:30:20   (  69.54, 169.47) 07/22/2019   00:29:09  (  69.59, 168.52)   37.32                71
 07/24/2019   15:05:53   (  70.08, -50.18) 07/24/2019   15:06:35  (  70.10, -50.16)    2.48                42
 07/24/2019   15:56:35   ( -69.99, 117.27) 07/24/2019   15:56:05  ( -69.99, 117.32)    2.09                30
 07/27/2019   06:32:18   ( -70.99,-103.19) 07/27/2019   06:33:25  ( -70.88,-100.77)   88.93                67
 07/27/2019   07:22:46   (  70.04,  65.64) 07/27/2019   07:23:05  (  70.06,  65.66)    1.79                19
 07/27/2019   08:13:28   ( -69.95,-126.91) 07/27/2019   08:12:35  ( -69.96,-126.85)    2.14                53