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)
 09/23/2016   19:15:48   (  -0.31,-135.46) (  -1.22,-131.18)  487.17                80
 09/24/2016   07:37:12   (   0.32,-135.44) (   0.10,-136.37)  105.45                80
 09/26/2016   07:22:22   (   0.31,-135.45) (   0.76,-133.42)  230.61                80
 09/26/2016   19:43:38   (  -0.32,-135.46) (   0.32,-138.58)  354.51                80
 09/28/2016   19:31:27   (  -0.32,-135.46) (  -0.27,-135.62)   18.79                80
 09/30/2016   19:21:57   (  -0.32,-135.46) (  -0.91,-132.68)  316.58                80
 10/01/2016   07:43:21   (   0.32,-135.45) (  -0.22,-137.86)  275.25                80
 10/03/2016   07:28:31   (   0.32,-135.44) (   0.42,-134.91)   59.31                80
 10/05/2016   07:16:21   (   0.31,-135.42) (   1.05,-131.96)  393.15                80
 10/05/2016   19:37:37   (  -0.32,-135.42) (   0.05,-137.12)  193.38                80