Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 7 21.  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)
 07/22/2020   19:10:12   (  -0.01,-137.20) (  -0.64,-134.25)  336.15                80
 07/23/2020   07:28:56   (   0.01,-137.21) (  -0.50,-139.43)  254.01                80
 07/25/2020   07:19:26   (   0.01,-137.21) (   0.17,-136.49)   82.86                80
 07/27/2020   07:07:15   (   0.01,-137.21) (   0.79,-133.53)  419.11                80
 07/27/2020   19:25:51   (  -0.01,-137.21) (   0.29,-138.69)  167.30                80
 07/29/2020   19:16:20   (  -0.01,-137.20) (  -0.33,-135.72)  168.01                80
 07/30/2020   07:35:04   (   0.02,-137.20) (  -0.80,-140.91)  422.70                80
 08/01/2020   07:22:54   (   0.02,-137.18) (  -0.13,-137.96)   88.25                80
 08/03/2020   07:13:23   (   0.02,-137.16) (   0.49,-135.00)  245.97                80
 08/03/2020   19:31:58   (  -0.02,-137.16) (   0.64,-140.15)  340.99                80