Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 5 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/08/2018   19:14:00   (  -0.14,-135.48) (  -1.01,-131.31)  474.13                80
 05/09/2018   07:35:25   (   0.14,-135.45) (  -0.07,-136.51)  119.71                80
 05/11/2018   07:25:55   (   0.14,-135.43) (   0.54,-133.56)  213.68                80
 05/11/2018   19:47:11   (  -0.14,-135.45) (   0.55,-138.71)  370.42                80
 05/13/2018   19:35:01   (  -0.14,-135.43) (  -0.08,-135.76)   37.85                80
 05/15/2018   19:20:11   (  -0.14,-135.39) (  -0.70,-132.81)  293.85                80
 05/16/2018   07:44:15   (   0.14,-135.36) (  -0.44,-138.00)  300.78                80
 05/18/2018   07:29:25   (   0.14,-135.31) (   0.19,-135.05)   29.73                80
 05/20/2018   07:17:15   (   0.15,-135.26) (   0.83,-132.10)  359.50                80
 05/20/2018   19:41:11   (  -0.14,-135.27) (   0.26,-137.26)  225.28                80