Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2016 11 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 11/18/2016   07:43:11   (   0.19,-135.28) (  -0.37,-137.81)  288.17                80
 11/20/2016   07:28:21   (   0.19,-135.32) (   0.29,-134.87)   51.42                80
 11/22/2016   07:16:10   (   0.19,-135.35) (   0.90,-131.91)  390.82                80
 11/22/2016   19:40:06   (  -0.17,-135.35) (   0.19,-137.07)  195.87                80
 11/24/2016   19:25:15   (  -0.18,-135.38) (  -0.42,-134.11)  143.23                80
 11/25/2016   07:49:19   (   0.16,-135.40) (  -0.70,-139.30)  444.11                80
 11/26/2016   19:13:05   (  -0.18,-135.40) (  -1.09,-131.17)  481.76                80
 11/27/2016   07:37:09   (   0.16,-135.42) (  -0.03,-136.35)  105.80                80
 11/29/2016   07:22:18   (   0.17,-135.44) (   0.58,-133.40)  231.80                80
 11/29/2016   19:46:14   (  -0.15,-135.42) (   0.50,-138.56)  356.18                80
 12/01/2016   19:34:03   (  -0.15,-135.43) (  -0.11,-135.60)   19.28                80