Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2016 9 17.  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   07:31:05   (   0.31,-135.45) (   0.45,-134.88)   65.17                80
 09/19/2016   07:16:15   (   0.31,-135.45) (   1.04,-131.93)  400.13                80
 09/19/2016   19:37:32   (  -0.32,-135.48) (   0.02,-137.10)  183.82                80
 09/21/2016   19:28:05   (  -0.32,-135.47) (  -0.59,-134.16)  149.16                80
 09/22/2016   07:49:31   (   0.33,-135.44) (  -0.51,-139.36)  445.17                80
 09/23/2016   19:16:00   (  -0.31,-135.45) (  -1.19,-131.22)  480.61                80
 09/24/2016   07:37:27   (   0.32,-135.42) (   0.13,-136.43)  114.24                80
 09/26/2016   07:22:44   (   0.31,-135.40) (   0.69,-133.50)  215.42                80
 09/26/2016   19:44:03   (  -0.32,-135.42) (   0.36,-138.68)  370.83                80
 09/28/2016   19:32:03   (  -0.32,-135.40) (  -0.23,-135.77)   42.58                80
 09/30/2016   19:22:46   (  -0.32,-135.37) (  -0.88,-132.88)  284.33                80