Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 8 1.  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)
 08/01/2019   19:34:43   (   0.01,-137.21) (   0.65,-140.15)  334.95                80
 08/03/2019   19:19:53   (   0.00,-137.21) (  -0.01,-137.20)    1.60                80
 08/05/2019   19:07:42   (   0.00,-137.20) (  -0.61,-134.24)  336.58                80
 08/06/2019   07:31:47   (  -0.01,-137.20) (  -0.47,-139.44)  254.12                80
 08/08/2019   07:16:56   (  -0.01,-137.19) (   0.13,-136.47)   80.93                80
 08/10/2019   07:04:46   (  -0.01,-137.17) (   0.80,-133.53)  415.37                80
 08/10/2019   19:28:41   (   0.01,-137.17) (   0.35,-138.67)  171.15                80
 08/12/2019   19:13:51   (   0.01,-137.15) (  -0.31,-135.72)  162.61                80
 08/13/2019   07:37:55   (  -0.02,-137.14) (  -0.81,-140.91)  428.38                80
 08/14/2019   19:01:40   (   0.01,-137.12) (  -0.92,-132.76)  495.87                80
 08/15/2019   07:25:44   (  -0.02,-137.11) (  -0.21,-137.95)   95.18                80