Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 5 10.  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)
 05/11/2019   07:25:08   (   0.01,-137.16) (  -0.19,-137.96)   91.63                80
 05/13/2019   07:10:19   (   0.00,-137.14) (   0.46,-135.02)  241.99                80
 05/13/2019   19:31:34   (  -0.00,-137.16) (   0.64,-140.17)  343.06                80
 05/15/2019   19:19:25   (  -0.00,-137.14) (   0.01,-137.22)    9.98                80
 05/17/2019   19:09:57   (   0.00,-137.11) (  -0.62,-134.27)  322.74                80
 05/18/2019   07:31:20   (  -0.00,-137.09) (  -0.54,-139.46)  270.13                80
 05/20/2019   07:16:31   (  -0.01,-137.05) (   0.08,-136.50)   61.69                80
 05/22/2019   07:04:23   (  -0.01,-137.01) (   0.74,-133.56)  392.54                80
 05/22/2019   19:25:39   (   0.01,-137.01) (   0.38,-138.71)  194.02                80