Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2016 4 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/12/2016   07:15:59   (   0.03,-135.35) (   0.78,-131.86)  397.66                80
 04/12/2016   19:37:15   (  -0.04,-135.37) (   0.30,-137.02)  186.47                80
 04/14/2016   19:27:43   (  -0.04,-135.39) (  -0.30,-134.05)  151.93                80
 04/15/2016   07:49:07   (   0.05,-135.38) (  -0.80,-139.24)  439.41                80
 04/16/2016   19:15:32   (  -0.04,-135.41) (  -0.96,-131.10)  490.11                80
 04/17/2016   07:36:56   (   0.05,-135.40) (  -0.13,-136.29)  101.29                80
 04/19/2016   07:22:04   (   0.05,-135.41) (   0.47,-133.33)  236.59                80
 04/19/2016   19:43:20   (  -0.05,-135.43) (   0.61,-138.49)  348.25                80
 04/21/2016   19:31:08   (  -0.05,-135.44) (  -0.00,-135.53)   11.32                80
 04/23/2016   19:21:37   (  -0.05,-135.44) (  -0.68,-132.58)  325.66                80
 04/24/2016   07:43:01   (   0.06,-135.43) (  -0.41,-137.77)  265.78                80