Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 7 20.  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)
 07/20/2019   19:10:15   (  -0.01,-137.20) (  -0.65,-134.24)  337.32                80
 07/21/2019   07:31:39   (   0.00,-137.19) (  -0.47,-139.43)  253.84                80
 07/23/2019   07:16:48   (   0.01,-137.19) (   0.16,-136.47)   81.65                80
 07/25/2019   07:04:37   (   0.01,-137.17) (   0.79,-133.51)  416.57                80
 07/25/2019   19:25:53   (  -0.00,-137.18) (   0.29,-138.67)  169.37                80
 07/27/2019   19:16:22   (  -0.00,-137.15) (  -0.34,-135.71)  164.59                80
 07/28/2019   07:37:46   (  -0.00,-137.14) (  -0.78,-140.90)  426.82                80
 07/29/2019   19:04:11   (  -0.01,-137.12) (  -0.97,-132.75)  497.44                80
 07/30/2019   07:25:35   (   0.00,-137.11) (  -0.15,-137.94)   94.26                80
 08/01/2019   07:10:44   (   0.01,-137.07) (   0.48,-134.98)  237.53                80
 08/01/2019   19:31:59   (  -0.00,-137.06) (   0.66,-140.13)  349.57                80