Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2011 12 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 12/11/2011   07:15:32   (   0.10,-132.41) (   0.21,-131.86)   63.10                80
 12/11/2011   19:39:30   (  -0.08,-133.02) (   0.77,-137.04)  457.53                80
 12/13/2011   19:24:45   (  -0.09,-134.44) (  -0.12,-134.15)   32.83                80
 12/16/2011   07:36:45   (   0.07,-136.00) (  -0.04,-136.45)   52.39                80
 12/18/2011   07:22:00   (   0.08,-137.41) (   0.89,-133.57)  436.97                80
 12/18/2011   19:45:57   (  -0.07,-138.01) (   0.07,-138.75)   84.04                80
 12/20/2011   19:31:11   (  -0.07,-139.41) (  -0.83,-135.85)  404.42                80
 12/21/2011   07:55:15   (   0.06,-139.54) (  -0.28,-141.04)  171.17                80
 12/23/2011   07:40:29   (   0.07,-140.94) (   0.64,-138.15)  316.40                80
 12/23/2011   20:04:27   (  -0.05,-141.53) (   0.31,-143.34)  205.16                80