Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 9 17.  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)
 09/18/2019   07:11:02   (  -0.01,-137.20) (   0.44,-134.99)  250.90                80
 09/18/2019   19:32:18   (   0.02,-137.21) (   0.65,-140.15)  335.02                80
 09/20/2019   19:22:47   (   0.03,-137.21) (   0.04,-137.19)    2.61                80
 09/22/2019   19:10:37   (   0.03,-137.20) (  -0.62,-134.24)  336.29                80
 09/23/2019   07:32:00   (  -0.03,-137.19) (  -0.50,-139.43)  254.58                80
 09/25/2019   07:17:09   (  -0.03,-137.17) (   0.11,-136.47)   79.48                80
 09/27/2019   07:05:00   (  -0.02,-137.15) (   0.78,-133.52)  412.97                80
 09/27/2019   19:26:14   (   0.02,-137.15) (   0.37,-138.67)  174.09                80
 09/29/2019   19:16:44   (   0.02,-137.12) (  -0.29,-135.72)  159.05                80
 09/30/2019   07:38:08   (  -0.02,-137.11) (  -0.82,-140.91)  431.96                80