Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 5 14.  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)
 05/15/2019   19:19:24   (  -0.01,-137.21) (  -0.00,-137.22)    1.47                80
 05/17/2019   19:09:54   (  -0.01,-137.20) (  -0.63,-134.26)  334.33                80
 05/18/2019   07:31:18   (   0.01,-137.19) (  -0.45,-139.46)  258.08                80
 05/20/2019   07:16:28   (   0.01,-137.17) (   0.17,-136.50)   76.64                80
 05/22/2019   07:04:18   (   0.00,-137.15) (   0.74,-133.54)  410.77                80
 05/22/2019   19:25:33   (   0.00,-137.16) (   0.35,-138.69)  174.68                80
 05/24/2019   19:16:03   (   0.01,-137.14) (  -0.28,-135.74)  159.03                80
 05/25/2019   07:37:28   (  -0.01,-137.13) (  -0.79,-140.94)  432.87                80
 05/26/2019   19:03:53   (   0.01,-137.12) (  -0.91,-132.79)  492.31                80
 05/27/2019   07:25:17   (  -0.01,-137.10) (  -0.22,-137.97)   99.79                80