Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 5 12.  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)
 05/13/2019   07:10:18   (   0.00,-137.19) (   0.47,-135.02)  247.04                80
 05/13/2019   19:31:34   (  -0.00,-137.21) (   0.62,-140.18)  337.39                80
 05/15/2019   19:19:24   (  -0.00,-137.21) (   0.02,-137.22)    2.92                80
 05/17/2019   19:09:55   (   0.00,-137.20) (  -0.63,-134.27)  333.74                80
 05/18/2019   07:31:20   (  -0.00,-137.19) (  -0.46,-139.46)  258.38                80
 05/20/2019   07:16:30   (  -0.01,-137.18) (   0.12,-136.50)   76.09                80
 05/22/2019   07:04:21   (  -0.01,-137.16) (   0.76,-133.55)  409.77                80
 05/22/2019   19:25:37   (   0.01,-137.16) (   0.35,-138.71)  176.12                80
 05/24/2019   19:16:08   (   0.00,-137.14) (  -0.27,-135.76)  156.84                80
 05/25/2019   07:37:33   (  -0.00,-137.13) (  -0.82,-140.95)  434.88                80