Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2016 9 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/17/2016   07:28:24   (   0.31,-135.45) (   0.42,-134.88)   65.57                80
 09/19/2016   07:18:52   (   0.31,-135.45) (   1.07,-131.92)  401.84                80
 09/19/2016   19:37:27   (  -0.32,-135.48) (   0.02,-137.08)  181.73                80
 09/21/2016   19:27:54   (  -0.32,-135.47) (  -0.59,-134.11)  153.87                80
 09/22/2016   07:49:18   (   0.33,-135.44) (  -0.52,-139.30)  439.48                80
 09/23/2016   19:15:41   (  -0.31,-135.45) (  -1.21,-131.15)  488.98                80
 09/24/2016   07:37:05   (   0.32,-135.42) (   0.10,-136.34)  104.60                80
 09/26/2016   07:22:12   (   0.31,-135.40) (   0.74,-133.38)  230.04                80
 09/26/2016   19:43:27   (  -0.32,-135.41) (   0.34,-138.53)  354.89                80
 09/28/2016   19:31:14   (  -0.32,-135.39) (  -0.31,-135.57)   20.58                80