Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 6 18.  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)
 06/18/2019   19:10:09   (  -0.02,-137.21) (  -0.65,-134.27)  334.42                80
 06/19/2019   07:31:32   (   0.02,-137.19) (  -0.48,-139.45)  257.36                80
 06/21/2019   07:16:42   (   0.03,-137.18) (   0.19,-136.50)   77.69                80
 06/23/2019   07:04:32   (   0.04,-137.17) (   0.80,-133.54)  412.45                80
 06/23/2019   19:25:47   (  -0.04,-137.18) (   0.29,-138.70)  173.15                80
 06/25/2019   19:16:16   (  -0.05,-137.16) (  -0.32,-135.74)  161.26                80
 06/26/2019   07:37:41   (   0.05,-137.15) (  -0.74,-140.94)  430.19                80
 06/27/2019   19:04:06   (  -0.05,-137.14) (  -0.99,-132.79)  495.06                80
 06/28/2019   07:25:30   (   0.05,-137.13) (  -0.13,-137.98)   96.59                80
 06/30/2019   07:10:39   (   0.05,-137.10) (   0.48,-135.02)  236.14                80
 06/30/2019   19:31:55   (  -0.04,-137.09) (   0.61,-140.18)  350.79                80