Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 4 28.  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)
 04/29/2020   07:10:13   (  -0.03,-137.20) (   0.44,-135.02)  248.73                80
 04/29/2020   19:31:28   (   0.02,-137.20) (   0.67,-140.17)  337.53                80
 05/01/2020   19:19:16   (   0.02,-137.20) (   0.01,-137.22)    2.23                80
 05/03/2020   19:09:43   (   0.01,-137.19) (  -0.58,-134.26)  333.14                80
 05/04/2020   07:31:07   (  -0.01,-137.19) (  -0.52,-139.45)  257.75                80
 05/06/2020   07:16:15   (  -0.01,-137.17) (   0.14,-136.50)   76.88                80
 05/08/2020   07:04:02   (  -0.01,-137.15) (   0.75,-133.54)  410.75                80
 05/08/2020   19:25:17   (   0.01,-137.15) (   0.37,-138.69)  176.37                80
 05/10/2020   19:15:45   (   0.01,-137.12) (  -0.30,-135.74)  156.59                80
 05/11/2020   07:37:09   (  -0.00,-137.11) (  -0.79,-140.94)  434.65                80