Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 9 28.  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)
 09/29/2019   19:14:03   (   0.03,-137.21) (  -0.27,-135.72)  168.76                80
 09/30/2019   07:38:07   (  -0.03,-137.20) (  -0.85,-140.91)  421.54                80
 10/02/2019   07:23:17   (  -0.03,-137.20) (  -0.17,-137.96)   85.83                80
 10/04/2019   07:13:46   (  -0.03,-137.19) (   0.45,-135.00)  249.31                80
 10/04/2019   19:32:22   (   0.03,-137.19) (   0.64,-140.16)  337.50                80
 10/06/2019   19:22:51   (   0.03,-137.17) (   0.02,-137.20)    3.53                80
 10/08/2019   19:10:40   (   0.03,-137.16) (  -0.60,-134.25)  331.15                80
 10/09/2019   07:29:24   (  -0.03,-137.15) (  -0.51,-139.44)  259.71                80
 10/11/2019   07:19:53   (  -0.03,-137.13) (   0.11,-136.48)   73.92                80