Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 3 30.  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)
 03/30/2020   19:22:11   (   0.02,-137.22) (   0.02,-137.19)    2.95                80
 04/01/2020   19:09:58   (   0.02,-137.22) (  -0.58,-134.23)  338.59                80
 04/02/2020   07:31:22   (  -0.02,-137.21) (  -0.52,-139.42)  252.97                80
 04/04/2020   07:16:30   (  -0.02,-137.19) (   0.15,-136.48)   81.77                80
 04/06/2020   07:04:17   (  -0.01,-137.17) (   0.76,-133.51)  416.04                80
 04/06/2020   19:25:32   (   0.01,-137.18) (   0.35,-138.67)  170.17                80
 04/08/2020   19:15:59   (   0.01,-137.15) (  -0.27,-135.71)  163.74                80
 04/09/2020   07:37:22   (  -0.01,-137.14) (  -0.83,-140.90)  427.87                80
 04/10/2020   19:03:47   (   0.02,-137.12) (  -0.94,-132.76)  496.96                80
 04/11/2020   07:25:10   (  -0.02,-137.11) (  -0.21,-137.94)   94.87                80