Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2013 5 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/13/2013   07:22:04   (   0.08,-135.42) (   0.51,-133.40)  230.21                80
 05/13/2013   19:45:59   (  -0.08,-135.44) (   0.57,-138.55)  353.91                80
 05/15/2013   19:33:44   (  -0.08,-135.44) (  -0.03,-135.58)   16.79                80
 05/17/2013   19:18:50   (  -0.09,-135.43) (  -0.71,-132.62)  320.23                80
 05/18/2013   07:42:53   (   0.08,-135.41) (  -0.42,-137.80)  271.35                80
 05/20/2013   07:27:58   (   0.09,-135.40) (   0.21,-134.83)   64.90                80
 05/22/2013   07:15:43   (   0.09,-135.38) (   0.85,-131.86)  400.55                80
 05/22/2013   19:39:37   (  -0.08,-135.39) (   0.28,-137.01)  184.50                80
 05/24/2013   19:24:42   (  -0.08,-135.35) (  -0.37,-134.04)  150.11                80
 05/25/2013   07:48:45   (   0.07,-135.34) (  -0.74,-139.22)  441.60                80