Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 9 27.  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)
 09/27/2019   07:04:59   (  -0.02,-137.20) (   0.78,-133.52)  418.20                80
 09/27/2019   19:28:55   (   0.02,-137.20) (   0.31,-138.68)  167.91                80
 09/29/2019   19:14:04   (   0.01,-137.20) (  -0.31,-135.73)  168.21                80
 09/30/2019   07:38:08   (  -0.02,-137.20) (  -0.81,-140.91)  422.19                80
 10/02/2019   07:23:17   (  -0.01,-137.20) (  -0.20,-137.96)   86.78                80
 10/04/2019   07:13:47   (  -0.01,-137.19) (   0.48,-135.01)  248.41                80
 10/04/2019   19:32:22   (   0.01,-137.19) (   0.67,-140.16)  338.32                80
 10/06/2019   19:20:11   (   0.02,-137.17) (   0.05,-137.20)    4.70                80
 10/08/2019   19:10:40   (   0.02,-137.15) (  -0.57,-134.24)  330.13                80
 10/09/2019   07:29:25   (  -0.01,-137.14) (  -0.48,-139.44)  260.92                80