Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 7 9.  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)
 07/09/2019   07:04:35   (   0.01,-137.18) (   0.78,-133.52)  416.10                80
 07/09/2019   19:25:51   (  -0.01,-137.18) (   0.30,-138.68)  170.30                80
 07/11/2019   19:16:20   (  -0.01,-137.17) (  -0.33,-135.72)  164.44                80
 07/12/2019   07:37:43   (   0.00,-137.16) (  -0.79,-140.91)  426.14                80
 07/13/2019   19:04:09   (  -0.01,-137.15) (  -0.96,-132.77)  498.51                80
 07/14/2019   07:25:32   (   0.01,-137.14) (  -0.17,-137.95)   92.28                80
 07/16/2019   07:10:41   (   0.01,-137.11) (   0.47,-135.00)  240.95                80
 07/16/2019   19:31:57   (  -0.01,-137.10) (   0.61,-140.16)  346.39                80
 07/18/2019   19:22:25   (  -0.02,-137.07) (   0.04,-137.19)   13.99                80
 07/20/2019   19:10:14   (  -0.03,-137.04) (  -0.60,-134.23)  318.81                80
 07/21/2019   07:31:38   (   0.02,-137.03) (  -0.52,-139.42)  271.88                80