Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2016 12 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/11/2016   07:49:18   (   0.10,-135.32) (  -0.73,-139.30)  451.97                80
 12/12/2016   19:13:03   (  -0.12,-135.28) (  -0.97,-131.14)  469.56                80
 12/13/2016   07:37:06   (   0.10,-135.28) (  -0.14,-136.33)  119.55                80
 12/15/2016   07:22:16   (   0.10,-135.25) (   0.52,-133.38)  212.32                80
 12/15/2016   19:46:10   (  -0.08,-135.22) (   0.62,-138.53)  377.02                80
 12/17/2016   19:33:58   (  -0.08,-135.17) (   0.02,-135.57)   45.44                80
 12/19/2016   19:19:07   (  -0.08,-135.13) (  -0.65,-132.62)  286.04                80
 12/20/2016   07:43:10   (   0.07,-135.14) (  -0.51,-137.80)  302.75                80
 12/22/2016   07:28:18   (   0.07,-135.09) (   0.09,-134.84)   28.35                80
 12/24/2016   07:16:07   (   0.07,-135.04) (   0.76,-131.89)  358.60                80
 12/24/2016   19:40:02   (  -0.06,-135.00) (   0.37,-137.04)  231.71                80