Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 7 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 07/07/2019   07:16:46   (   0.01,-137.20) (   0.15,-136.48)   80.86                80
 07/09/2019   07:04:35   (   0.02,-137.19) (   0.77,-133.52)  416.09                80
 07/09/2019   19:25:51   (  -0.01,-137.18) (   0.31,-138.68)  170.59                80
 07/11/2019   19:16:20   (  -0.01,-137.17) (  -0.31,-135.72)  164.22                80
 07/12/2019   07:37:43   (   0.01,-137.17) (  -0.81,-140.91)  426.04                80
 07/13/2019   19:04:09   (  -0.02,-137.15) (  -0.94,-132.76)  498.37                80
 07/14/2019   07:25:32   (   0.01,-137.15) (  -0.18,-137.95)   92.12                80
 07/16/2019   07:10:41   (   0.02,-137.12) (   0.45,-134.99)  241.24                80
 07/16/2019   19:31:57   (  -0.02,-137.11) (   0.63,-140.15)  346.33                80
 07/18/2019   19:19:46   (  -0.02,-137.08) (   0.00,-137.19)   13.52                80