Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 6 26.  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)
 06/26/2019   07:37:40   (   0.02,-137.20) (  -0.80,-140.92)  424.46                80
 06/28/2019   07:25:30   (   0.01,-137.19) (  -0.13,-137.98)   88.49                80
 06/30/2019   07:10:39   (   0.01,-137.18) (   0.49,-135.02)  246.73                80
 06/30/2019   19:31:54   (  -0.01,-137.18) (   0.65,-140.16)  339.31                80
 07/02/2019   19:19:44   (  -0.01,-137.16) (  -0.02,-137.22)    6.05                80
 07/04/2019   19:10:13   (  -0.02,-137.13) (  -0.64,-134.26)  327.41                80
 07/05/2019   07:31:37   (   0.02,-137.12) (  -0.48,-139.44)  264.15                80
 07/07/2019   07:16:46   (   0.03,-137.09) (   0.15,-136.48)   68.15                80
 07/09/2019   07:04:35   (   0.04,-137.05) (   0.77,-133.53)  400.24                80
 07/09/2019   19:25:51   (  -0.04,-137.04) (   0.31,-138.68)  186.92                80