Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 8 25.  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)
 08/26/2020   07:19:37   (   0.02,-137.20) (   0.18,-136.48)   81.35                80
 08/28/2020   07:07:27   (   0.02,-137.21) (   0.83,-133.53)  418.49                80
 08/28/2020   19:26:02   (  -0.02,-137.20) (   0.32,-138.68)  168.20                80
 08/30/2020   19:16:32   (  -0.02,-137.21) (  -0.33,-135.73)  168.55                80
 08/31/2020   07:37:56   (   0.01,-137.22) (  -0.80,-140.91)  421.04                80
 09/02/2020   07:25:46   (   0.01,-137.22) (  -0.14,-137.96)   84.51                80
 09/04/2020   07:10:55   (   0.01,-137.22) (   0.45,-135.00)  251.66                80
 09/04/2020   19:32:11   (  -0.01,-137.22) (   0.63,-140.16)  335.34                80
 09/06/2020   19:20:01   (  -0.01,-137.21) (  -0.02,-137.21)    1.42                80