Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 5 2.  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)
 05/02/2021   07:10:16   (  -0.05,-137.18) (   0.42,-135.01)  247.49                80
 05/02/2021   19:31:30   (   0.05,-137.19) (   0.69,-140.16)  337.50                80
 05/04/2021   19:21:58   (   0.04,-137.18) (   0.02,-137.21)    3.93                80
 05/06/2021   19:09:45   (   0.04,-137.17) (  -0.59,-134.25)  332.11                80
 05/07/2021   07:31:09   (  -0.03,-137.15) (  -0.50,-139.45)  260.43                80
 05/09/2021   07:18:56   (  -0.03,-137.13) (   0.12,-136.49)   74.05                80
 05/11/2021   07:04:03   (  -0.03,-137.11) (   0.74,-133.53)  407.87                80
 05/11/2021   19:25:18   (   0.03,-137.12) (   0.37,-138.68)  177.64                80
 05/13/2021   19:15:45   (   0.03,-137.09) (  -0.25,-135.72)  155.16                80
 05/14/2021   07:37:09   (  -0.02,-137.07) (  -0.84,-140.92)  437.82                80
 05/15/2021   19:03:32   (   0.02,-137.05) (  -0.88,-132.76)  487.08                80