Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 9 30.  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)
 09/30/2019   07:38:08   (  -0.02,-137.21) (  -0.80,-140.92)  421.79                80
 10/02/2019   07:23:17   (  -0.03,-137.20) (  -0.18,-137.96)   85.94                80
 10/04/2019   07:13:46   (  -0.02,-137.19) (   0.44,-135.00)  249.05                80
 10/04/2019   19:32:22   (   0.02,-137.19) (   0.65,-140.16)  338.05                80
 10/06/2019   19:20:11   (   0.03,-137.17) (   0.03,-137.20)    3.63                80
 10/08/2019   19:10:40   (   0.03,-137.15) (  -0.59,-134.24)  330.41                80
 10/09/2019   07:29:24   (  -0.03,-137.15) (  -0.52,-139.43)  260.17                80
 10/11/2019   07:19:53   (  -0.02,-137.12) (   0.10,-136.48)   73.39                80
 10/13/2019   07:07:42   (  -0.01,-137.10) (   0.72,-133.52)  406.28                80
 10/13/2019   19:26:18   (   0.01,-137.08) (   0.37,-138.68)  181.58                80