Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 6 11.  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)
 06/12/2019   07:25:25   (   0.03,-137.19) (  -0.12,-137.99)   89.96                80
 06/14/2019   07:10:34   (   0.02,-137.18) (   0.49,-135.02)  245.24                80
 06/14/2019   19:31:50   (  -0.02,-137.18) (   0.60,-140.18)  340.68                80
 06/16/2019   19:19:39   (  -0.02,-137.17) (  -0.00,-137.22)    6.28                80
 06/18/2019   19:10:09   (  -0.03,-137.15) (  -0.67,-134.27)  327.46                80
 06/19/2019   07:31:33   (   0.03,-137.14) (  -0.45,-139.46)  263.81                80
 06/21/2019   07:16:42   (   0.04,-137.11) (   0.16,-136.50)   69.23                80
 06/23/2019   07:04:32   (   0.05,-137.08) (   0.83,-133.55)  401.96                80
 06/23/2019   19:25:47   (  -0.05,-137.07) (   0.32,-138.70)  185.21                80