Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 10 18.  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)
 10/18/2019   07:23:19   (  -0.02,-137.20) (  -0.20,-137.96)   86.45                80
 10/20/2019   07:13:48   (  -0.02,-137.19) (   0.44,-135.00)  248.88                80
 10/20/2019   19:32:24   (   0.02,-137.20) (   0.63,-140.16)  336.98                80
 10/22/2019   19:20:12   (   0.03,-137.18) (   0.05,-137.20)    3.48                80
 10/24/2019   19:10:41   (   0.03,-137.16) (  -0.59,-134.24)  331.44                80
 10/25/2019   07:29:25   (  -0.03,-137.14) (  -0.52,-139.43)  260.39                80
 10/27/2019   07:19:54   (  -0.02,-137.12) (   0.12,-136.48)   72.85                80
 10/29/2019   07:07:43   (  -0.01,-137.09) (   0.77,-133.52)  405.63                80
 10/29/2019   19:26:18   (   0.01,-137.08) (   0.37,-138.67)  181.01                80
 10/31/2019   19:16:47   (   0.02,-137.05) (  -0.28,-135.72)  151.23                80