Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 4 25.  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)
 04/25/2020   07:37:17   (  -0.04,-137.19) (  -0.85,-140.92)  424.72                80
 04/27/2020   07:25:05   (  -0.03,-137.17) (  -0.21,-137.97)   90.42                80
 04/29/2020   07:10:13   (  -0.03,-137.15) (   0.44,-135.02)  242.96                80
 04/29/2020   19:31:28   (   0.02,-137.15) (   0.67,-140.17)  343.57                80
 05/01/2020   19:19:16   (   0.02,-137.12) (   0.02,-137.22)   11.29                80
 05/03/2020   19:09:43   (   0.01,-137.08) (  -0.58,-134.26)  321.19                80
 05/04/2020   07:31:07   (  -0.01,-137.07) (  -0.52,-139.45)  270.93                80
 05/06/2020   07:16:14   (  -0.01,-137.03) (   0.07,-136.49)   60.78                80
 05/08/2020   07:04:02   (  -0.01,-136.98) (   0.73,-133.54)  391.65                80
 05/08/2020   19:25:17   (   0.01,-136.97) (   0.38,-138.69)  195.74                80