Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 7 20.  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)
 07/20/2020   19:19:43   (  -0.00,-137.19) (   0.01,-137.20)    1.77                80
 07/22/2020   19:10:12   (  -0.01,-137.19) (  -0.60,-134.24)  334.31                80
 07/23/2020   07:28:57   (   0.01,-137.19) (  -0.47,-139.44)  256.15                80
 07/25/2020   07:19:26   (   0.01,-137.18) (   0.14,-136.48)   79.24                80
 07/27/2020   07:07:15   (   0.01,-137.17) (   0.75,-133.52)  414.05                80
 07/27/2020   19:25:50   (  -0.01,-137.16) (   0.32,-138.68)  172.83                80
 07/29/2020   19:16:19   (  -0.01,-137.14) (  -0.29,-135.72)  161.05                80
 07/30/2020   07:35:04   (   0.01,-137.13) (  -0.78,-140.92)  429.96                80
 07/31/2020   19:04:10   (  -0.01,-137.11) (  -0.96,-132.77)  494.19                80
 08/01/2020   07:22:53   (   0.02,-137.10) (  -0.16,-137.96)   96.93                80