Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 7 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)
 07/08/2017   19:12:59   (  -0.07,-135.41) (  -0.96,-131.11)  488.13                80
 07/09/2017   07:37:03   (   0.04,-135.34) (  -0.19,-136.29)  109.36                80
 07/11/2017   07:22:15   (   0.05,-135.30) (   0.49,-133.36)  221.64                80
 07/11/2017   19:46:11   (  -0.03,-135.35) (   0.62,-138.51)  359.02                80
 07/13/2017   19:34:03   (  -0.04,-135.31) (  -0.01,-135.57)   29.18                80
 07/15/2017   19:19:15   (  -0.05,-135.26) (  -0.60,-132.62)  300.05                80
 07/16/2017   07:43:20   (   0.01,-135.19) (  -0.52,-137.82)  297.89                80
 07/18/2017   07:28:33   (   0.02,-135.14) (   0.08,-134.87)   29.86                80
 07/20/2017   07:16:27   (   0.03,-135.07) (   0.71,-131.94)  356.52                80
 07/20/2017   19:40:22   (   0.01,-135.11) (   0.45,-137.09)  225.56                80