Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 4 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)
 05/01/2019   19:09:44   (  -0.00,-137.23) (  -0.66,-134.27)  336.75                80
 05/02/2019   07:31:08   (   0.00,-137.19) (  -0.49,-139.46)  257.56                80
 05/04/2019   07:16:19   (   0.00,-137.19) (   0.16,-136.51)   77.34                80
 05/06/2019   07:04:10   (  -0.00,-137.18) (   0.77,-133.57)  411.17                80
 05/06/2019   19:25:26   (   0.00,-137.21) (   0.35,-138.72)  172.52                80
 05/08/2019   19:15:58   (   0.01,-137.19) (  -0.28,-135.78)  159.93                80
 05/09/2019   07:37:23   (  -0.01,-137.16) (  -0.82,-140.98)  434.50                80
 05/10/2019   19:03:50   (   0.01,-137.16) (  -0.88,-132.84)  491.08                80
 05/11/2019   07:25:16   (  -0.00,-137.13) (  -0.17,-138.04)  103.86                80
 05/13/2019   07:10:29   (   0.01,-137.09) (   0.45,-135.11)  225.99                80
 05/13/2019   19:31:46   (  -0.01,-137.11) (   0.64,-140.27)  359.44                80