Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2015 7 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/18/2015   07:50:17   (  -0.02,-135.11) (  -0.92,-139.46)  494.05                80
 07/19/2015   19:14:01   (  -0.01,-135.11) (  -0.79,-131.31)  430.83                80
 07/20/2015   07:38:05   (  -0.02,-135.13) (  -0.34,-136.50)  156.58                80
 07/22/2015   07:23:14   (  -0.01,-135.14) (   0.32,-133.55)  180.55                80
 07/22/2015   19:47:09   (   0.03,-135.12) (   0.80,-138.70)  406.69                80
 07/24/2015   19:34:58   (   0.03,-135.12) (   0.14,-135.75)   70.34                80
 07/26/2015   19:20:06   (   0.02,-135.12) (  -0.47,-132.78)  265.29                80
 07/27/2015   07:44:10   (  -0.05,-135.13) (  -0.65,-137.97)  323.03                80
 07/29/2015   07:29:18   (  -0.05,-135.12) (  -0.03,-135.01)   11.72                80
 07/31/2015   07:17:06   (  -0.04,-135.10) (   0.60,-132.05)  345.81                80
 07/31/2015   19:41:01   (   0.07,-135.08) (   0.52,-137.20)  241.81                80