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)   41.51                80
 08/07/2019   06:33:46   (  -0.04,-128.36) (   0.50,-125.73)  297.99                80
 08/07/2019   18:57:42   (   0.08,-128.37) (   0.58,-130.89)  286.44                80
 08/09/2019   18:42:51   (   0.07,-128.40) (  -0.02,-127.93)   52.59                80
 08/11/2019   18:30:41   (   0.06,-128.42) (  -0.68,-124.98)  391.16                80
 08/12/2019   06:54:45   (  -0.10,-128.43) (  -0.45,-130.17)  197.60                80
 08/14/2019   06:39:54   (  -0.09,-128.45) (   0.16,-127.21)  140.39                80
 08/14/2019   19:03:48   (   0.13,-128.45) (   0.99,-132.36)  444.97                80
 08/16/2019   06:27:44   (  -0.08,-128.46) (   0.82,-124.26)  478.20                80
 08/16/2019   18:51:38   (   0.12,-128.47) (   0.32,-129.41)  107.12                80