Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 4 12.  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)
 04/13/2019   19:21:57   (   0.01,-137.22) (   0.02,-137.20)    2.14                80
 04/15/2019   19:09:45   (   0.01,-137.21) (  -0.62,-134.25)  336.96                80
 04/16/2019   07:31:09   (  -0.01,-137.17) (  -0.49,-139.44)  257.51                80
 04/18/2019   07:16:17   (  -0.01,-137.16) (   0.15,-136.49)   77.12                80
 04/20/2019   07:04:04   (  -0.01,-137.14) (   0.73,-133.52)  411.41                80
 04/20/2019   19:25:19   (   0.01,-137.17) (   0.32,-138.68)  172.16                80
 04/22/2019   19:15:47   (   0.01,-137.14) (  -0.26,-135.72)  161.50                80
 04/23/2019   07:37:10   (  -0.02,-137.11) (  -0.84,-140.91)  432.41                80
 04/24/2019   19:03:35   (   0.02,-137.12) (  -0.91,-132.77)  494.49                80
 04/25/2019   07:24:58   (  -0.02,-137.08) (  -0.19,-137.96)   99.65                80