Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2016 7 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/28/2016   19:19:43   (   0.03,-135.05) (  -0.44,-132.70)  266.12                80
 07/29/2016   07:43:47   (  -0.06,-135.01) (  -0.65,-137.89)  327.05                80
 07/31/2016   07:31:34   (  -0.06,-134.94) (  -0.06,-134.92)    1.48                80
 08/02/2016   07:16:41   (  -0.05,-134.86) (   0.54,-131.96)  329.23                80
 08/02/2016   19:40:36   (   0.08,-134.85) (   0.58,-137.11)  256.97                80
 08/04/2016   19:25:44   (   0.07,-134.77) (  -0.09,-134.15)   70.80                80
 08/06/2016   19:13:31   (   0.06,-134.69) (  -0.71,-131.19)  398.30                80
 08/07/2016   07:37:34   (  -0.09,-134.65) (  -0.43,-136.37)  195.08                80
 08/09/2016   07:22:40   (  -0.08,-134.56) (   0.14,-133.40)  132.01                80
 08/09/2016   19:46:35   (   0.12,-134.55) (   0.98,-138.55)  454.56                80