Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2016 7 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/13/2016   07:43:55   (   0.01,-135.44) (  -0.50,-137.95)  284.79                80
 07/15/2016   07:29:03   (   0.02,-135.40) (   0.10,-134.99)   47.58                80
 07/17/2016   07:16:51   (   0.02,-135.36) (   0.70,-132.02)  379.24                80
 07/17/2016   19:40:46   (   0.01,-135.35) (   0.42,-137.17)  208.13                80
 07/19/2016   19:25:55   (  -0.00,-135.30) (  -0.23,-134.22)  122.55                80
 07/20/2016   07:49:59   (  -0.02,-135.29) (  -0.88,-139.41)  468.13                80
 07/21/2016   19:13:44   (  -0.01,-135.24) (  -0.89,-131.27)  452.58                80
 07/22/2016   07:37:47   (  -0.02,-135.23) (  -0.29,-136.45)  138.26                80
 07/24/2016   07:22:56   (  -0.01,-135.17) (   0.37,-133.49)  191.00                80
 07/24/2016   19:46:51   (   0.04,-135.15) (   0.76,-138.64)  397.06                80
 07/26/2016   19:34:39   (   0.03,-135.08) (   0.17,-135.68)   68.54                80