Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2013 7 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/09/2013   07:16:00   (   0.00,-135.22) (   0.71,-131.90)  377.29                80
 07/09/2013   19:39:54   (   0.02,-135.24) (   0.39,-137.06)  206.04                80
 07/11/2013   19:25:01   (   0.01,-135.28) (  -0.24,-134.10)  134.69                80
 07/12/2013   07:49:04   (  -0.04,-135.28) (  -0.91,-139.28)  454.79                80
 07/13/2013   19:12:48   (   0.01,-135.31) (  -0.89,-131.14)  475.00                80
 07/14/2013   07:36:51   (  -0.04,-135.31) (  -0.26,-136.32)  114.65                80
 07/16/2013   07:21:58   (  -0.03,-135.33) (   0.40,-133.36)  224.78                80
 07/16/2013   19:45:52   (   0.06,-135.34) (   0.75,-138.50)  359.31                80
 07/18/2013   19:33:39   (   0.06,-135.36) (   0.08,-135.54)   20.89                80
 07/20/2013   19:18:45   (   0.05,-135.36) (  -0.54,-132.57)  316.80                80
 07/21/2013   07:42:48   (  -0.08,-135.35) (  -0.60,-137.76)  273.20                80