Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 8 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 08/05/2019   06:48:37   (  -0.05,-128.33) (  -0.10,-128.70)   41.58                80
 08/07/2019   06:33:46   (  -0.04,-128.36) (   0.50,-125.74)  297.90                80
 08/07/2019   18:57:41   (   0.08,-128.37) (   0.64,-130.88)  286.51                80
 08/09/2019   18:42:51   (   0.07,-128.40) (  -0.02,-127.93)   52.49                80
 08/11/2019   18:30:41   (   0.06,-128.42) (  -0.68,-124.98)  391.04                80
 08/12/2019   06:54:45   (  -0.10,-128.43) (  -0.44,-130.17)  197.77                80
 08/14/2019   06:39:54   (  -0.09,-128.44) (   0.16,-127.21)  140.18                80
 08/14/2019   19:03:48   (   0.13,-128.45) (   0.98,-132.36)  445.15                80
 08/16/2019   06:27:44   (  -0.08,-128.46) (   0.83,-124.26)  477.97                80
 08/16/2019   18:51:38   (   0.12,-128.46) (   0.31,-129.41)  107.33                80
 08/18/2019   18:36:48   (   0.11,-128.48) (  -0.29,-126.45)  230.20                80