Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 8 16.  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)
 08/17/2020   07:22:58   (   0.01,-137.19) (  -0.13,-137.95)   86.58                80
 08/19/2020   07:13:28   (   0.03,-137.18) (   0.48,-135.00)  248.27                80
 08/19/2020   19:34:44   (  -0.02,-137.19) (   0.61,-140.16)  337.61                80
 08/21/2020   19:19:55   (  -0.02,-137.18) (  -0.04,-137.21)    4.27                80
 08/23/2020   19:10:25   (  -0.02,-137.16) (  -0.62,-134.25)  330.65                80
 08/24/2020   07:29:10   (   0.02,-137.15) (  -0.48,-139.44)  261.12                80
 08/26/2020   07:19:41   (   0.02,-137.13) (   0.14,-136.49)   71.71                80
 08/28/2020   07:07:32   (   0.00,-137.10) (   0.74,-133.54)  403.90                80
 08/28/2020   19:26:09   (  -0.00,-137.09) (   0.31,-138.71)  182.93                80