Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 4 26.  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)
 04/27/2019   07:10:06   (  -0.01,-137.18) (   0.44,-135.00)  247.11                80
 04/27/2019   19:31:22   (   0.01,-137.22) (   0.60,-140.17)  334.91                80
 04/29/2019   19:21:49   (   0.01,-137.22) (   0.02,-137.20)    1.48                80
 05/01/2019   19:09:37   (   0.01,-137.21) (  -0.64,-134.25)  336.58                80
 05/02/2019   07:31:01   (  -0.01,-137.17) (  -0.47,-139.44)  258.06                80
 05/04/2019   07:16:08   (  -0.01,-137.16) (   0.12,-136.48)   76.63                80
 05/06/2019   07:03:56   (  -0.02,-137.13) (   0.78,-133.53)  410.41                80
 05/06/2019   19:25:11   (   0.01,-137.16) (   0.33,-138.68)  173.15                80
 05/08/2019   19:15:38   (   0.00,-137.13) (  -0.27,-135.72)  159.20                80
 05/09/2019   07:37:02   (  -0.00,-137.09) (  -0.83,-140.91)  435.29                80