Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2015 6 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)
 06/11/2015   07:31:40   (   0.09,-134.67) (   0.01,-134.96)   33.85                80
 06/13/2015   07:16:49   (   0.09,-134.57) (   0.62,-132.00)  291.64                80
 06/13/2015   19:40:45   (  -0.08,-134.54) (   0.45,-137.16)  297.64                80
 06/15/2015   19:25:53   (  -0.08,-134.44) (  -0.11,-134.19)   27.38                80
 06/17/2015   19:13:42   (  -0.09,-134.33) (  -0.75,-131.24)  351.79                80
 06/18/2015   07:37:46   (   0.08,-134.31) (  -0.37,-136.43)  240.70                80
 06/20/2015   07:22:54   (   0.09,-134.20) (   0.23,-133.47)   83.50                80
 06/22/2015   07:10:42   (   0.09,-134.09) (   0.85,-130.50)  407.51                80
 06/22/2015   19:34:37   (  -0.08,-134.05) (   0.27,-135.65)  182.21                80