Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2014 12 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/21/2014   19:25:14   (  -0.07,-135.39) (  -0.32,-134.12)  143.38                80
 12/22/2014   07:49:18   (   0.05,-135.37) (  -0.80,-139.31)  447.73                80
 12/23/2014   19:13:03   (  -0.07,-135.36) (  -0.95,-131.17)  477.15                80
 12/24/2014   07:37:07   (   0.05,-135.35) (  -0.16,-136.36)  114.19                80
 12/26/2014   07:22:15   (   0.05,-135.32) (   0.44,-133.39)  219.02                80
 12/26/2014   19:46:09   (  -0.03,-135.32) (   0.69,-138.54)  367.45                80
 12/28/2014   19:33:58   (  -0.03,-135.29) (   0.05,-135.59)   34.46                80
 12/30/2014   19:19:06   (  -0.04,-135.25) (  -0.61,-132.63)  298.32                80
 12/31/2014   07:43:08   (   0.02,-135.24) (  -0.54,-137.81)  292.42                80
 01/02/2015   07:28:15   (   0.03,-135.20) (   0.09,-134.85)   39.68                80