Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 5 9.  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)
 05/10/2020   19:15:45   (   0.03,-137.20) (  -0.31,-135.74)  165.69                80
 05/11/2020   07:37:08   (  -0.03,-137.18) (  -0.85,-140.93)  426.55                80
 05/13/2020   07:24:56   (  -0.02,-137.17) (  -0.19,-137.98)   91.77                80
 05/15/2020   07:10:03   (  -0.02,-137.16) (   0.42,-135.02)  242.81                80
 05/15/2020   19:31:18   (   0.01,-137.16) (   0.63,-140.18)  342.70                80
 05/17/2020   19:19:06   (   0.01,-137.15) (   0.02,-137.22)    8.44                80
 05/19/2020   19:09:33   (   0.01,-137.13) (  -0.59,-134.26)  325.39                80
 05/20/2020   07:30:56   (  -0.01,-137.11) (  -0.50,-139.46)  266.97                80
 05/22/2020   07:16:03   (  -0.00,-137.08) (   0.11,-136.50)   65.88                80