Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 7 13.  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)
 07/14/2019   07:25:33   (  -0.00,-137.19) (  -0.15,-137.96)   86.54                80
 07/16/2019   07:10:42   (   0.01,-137.19) (   0.48,-135.00)  248.96                80
 07/16/2019   19:31:57   (  -0.00,-137.19) (   0.65,-140.15)  337.29                80
 07/18/2019   19:22:26   (  -0.01,-137.17) (   0.02,-137.19)    3.75                80
 07/20/2019   19:10:15   (  -0.02,-137.16) (  -0.62,-134.23)  332.43                80
 07/21/2019   07:31:39   (   0.02,-137.16) (  -0.44,-139.43)  258.22                80
 07/23/2019   07:16:48   (   0.02,-137.14) (   0.19,-136.48)   76.00                80
 07/25/2019   07:04:37   (   0.03,-137.11) (   0.77,-133.51)  409.54                80
 07/25/2019   19:25:52   (  -0.02,-137.10) (   0.30,-138.67)  177.63                80