Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 10 19.  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)
 10/20/2019   07:11:08   (   0.01,-137.19) (   0.45,-135.00)  248.46                80
 10/20/2019   19:32:24   (  -0.01,-137.20) (   0.62,-140.17)  337.14                80
 10/22/2019   19:20:13   (  -0.00,-137.19) (  -0.02,-137.21)    3.40                80
 10/24/2019   19:10:41   (   0.00,-137.17) (  -0.60,-134.24)  331.84                80
 10/25/2019   07:32:05   (  -0.00,-137.15) (  -0.51,-139.43)  260.06                80
 10/27/2019   07:17:14   (   0.00,-137.13) (   0.13,-136.48)   73.68                80
 10/29/2019   07:05:03   (   0.00,-137.10) (   0.78,-133.53)  406.78                80
 10/29/2019   19:26:18   (  -0.00,-137.10) (   0.36,-138.67)  179.55                80
 10/31/2019   19:16:47   (  -0.01,-137.07) (  -0.29,-135.72)  152.78                80
 11/01/2019   07:38:11   (   0.01,-137.05) (  -0.82,-140.91)  439.47                80