Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2016 4 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/10/2016   07:28:10   (   0.03,-135.33) (   0.11,-134.81)   58.94                80
 04/12/2016   07:15:59   (   0.03,-135.35) (   0.76,-131.85)  397.70                80
 04/12/2016   19:37:15   (  -0.04,-135.38) (   0.32,-137.01)  186.26                80
 04/14/2016   19:27:44   (  -0.04,-135.40) (  -0.34,-134.06)  152.16                80
 04/15/2016   07:49:08   (   0.05,-135.39) (  -0.77,-139.25)  439.29                80
 04/16/2016   19:15:33   (  -0.04,-135.41) (  -0.99,-131.11)  490.42                80
 04/17/2016   07:36:56   (   0.05,-135.40) (  -0.17,-136.29)  101.17                80
 04/19/2016   07:22:05   (   0.04,-135.42) (   0.49,-133.33)  236.78                80
 04/19/2016   19:43:21   (  -0.05,-135.43) (   0.59,-138.49)  347.90                80
 04/21/2016   19:31:09   (  -0.05,-135.44) (  -0.00,-135.53)   10.93                80
 04/23/2016   19:21:38   (  -0.05,-135.44) (  -0.66,-132.58)  326.04                80