Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 5 1.  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)
 05/01/2019   19:09:44   (  -0.01,-137.22) (  -0.65,-134.27)  336.60                80
 05/02/2019   07:31:08   (   0.01,-137.19) (  -0.50,-139.45)  257.53                80
 05/04/2019   07:16:19   (   0.00,-137.19) (   0.14,-136.51)   77.39                80
 05/06/2019   07:04:11   (  -0.00,-137.18) (   0.80,-133.57)  411.23                80
 05/06/2019   19:25:27   (   0.00,-137.21) (   0.32,-138.72)  172.61                80
 05/08/2019   19:15:59   (   0.01,-137.19) (  -0.29,-135.78)  159.78                80
 05/09/2019   07:37:24   (  -0.01,-137.15) (  -0.83,-140.97)  434.50                80
 05/10/2019   19:03:52   (   0.01,-137.16) (  -0.93,-132.84)  490.93                80
 05/11/2019   07:25:17   (  -0.01,-137.12) (  -0.20,-138.04)  103.76                80
 05/13/2019   07:10:30   (   0.01,-137.09) (   0.40,-135.09)  226.03                80
 05/13/2019   19:31:48   (  -0.00,-137.10) (   0.64,-140.27)  359.58                80