Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2016 1 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/25/2016   19:28:09   (   0.03,-135.11) (  -0.19,-134.13)  110.98                80
 01/26/2016   07:49:33   (  -0.04,-135.15) (  -0.92,-139.32)  474.50                80
 01/27/2016   19:15:57   (   0.04,-135.16) (  -0.80,-131.17)  452.57                80
 01/28/2016   07:37:21   (  -0.04,-135.20) (  -0.31,-136.36)  133.12                80
 01/30/2016   07:22:30   (  -0.04,-135.24) (   0.36,-133.42)  207.78                80
 01/30/2016   19:43:45   (   0.05,-135.22) (   0.76,-138.57)  380.83                80
 02/01/2016   19:31:33   (   0.04,-135.26) (   0.14,-135.61)   40.71                80
 02/03/2016   19:22:02   (   0.04,-135.29) (  -0.54,-132.66)  298.91                80
 02/04/2016   07:43:26   (  -0.04,-135.33) (  -0.56,-137.85)  286.69                80
 02/06/2016   07:28:34   (  -0.04,-135.35) (   0.08,-134.90)   51.91                80