Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 6 30.  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)
 06/30/2020   07:22:43   (  -0.01,-137.20) (  -0.14,-137.97)   87.53                80
 07/02/2020   07:13:12   (  -0.01,-137.20) (   0.45,-135.01)  249.01                80
 07/02/2020   19:31:47   (   0.02,-137.20) (   0.64,-140.17)  337.38                80
 07/04/2020   19:19:37   (   0.02,-137.19) (   0.04,-137.20)    3.03                80
 07/06/2020   19:10:07   (   0.02,-137.18) (  -0.61,-134.25)  333.10                80
 07/07/2020   07:31:30   (  -0.02,-137.18) (  -0.52,-139.44)  257.51                80
 07/09/2020   07:16:40   (  -0.01,-137.17) (   0.14,-136.49)   77.22                80
 07/11/2020   07:04:30   (  -0.01,-137.15) (   0.73,-133.52)  411.72                80
 07/11/2020   19:25:45   (   0.01,-137.14) (   0.35,-138.68)  175.19                80
 07/13/2020   19:16:15   (   0.01,-137.12) (  -0.30,-135.73)  158.70                80