Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2016 9 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/22/2016   07:49:23   (   0.32,-135.44) (  -0.49,-139.33)  442.02                80
 09/23/2016   19:15:49   (  -0.31,-135.46) (  -1.24,-131.18)  487.11                80
 09/24/2016   07:37:12   (   0.32,-135.42) (   0.12,-136.37)  107.97                80
 09/26/2016   07:22:22   (   0.31,-135.40) (   0.72,-133.41)  225.65                80
 09/26/2016   19:43:37   (  -0.32,-135.43) (   0.36,-138.57)  358.23                80
 09/28/2016   19:31:27   (  -0.32,-135.40) (  -0.30,-135.63)   25.05                80
 09/30/2016   19:21:56   (  -0.32,-135.38) (  -0.89,-132.67)  308.08                80
 10/01/2016   07:43:20   (   0.32,-135.35) (  -0.24,-137.86)  286.21                80
 10/03/2016   07:28:30   (   0.32,-135.31) (   0.41,-134.91)   45.98                80
 10/05/2016   07:16:20   (   0.32,-135.28) (   1.05,-131.96)  377.50                80
 10/05/2016   19:37:36   (  -0.32,-135.29) (   0.05,-137.12)  207.82                80