Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2013 6 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)
 06/18/2013   19:19:06   (  -0.06,-134.52) (  -0.45,-132.64)  213.36                80
 06/19/2013   07:43:10   (   0.04,-134.47) (  -0.68,-137.83)  382.70                80
 06/21/2013   07:30:58   (   0.04,-134.36) (  -0.08,-134.87)   58.30                80
 06/23/2013   07:16:06   (   0.05,-134.24) (   0.53,-131.91)  265.25                80
 06/23/2013   19:40:01   (  -0.03,-134.24) (   0.59,-137.06)  320.88                80
 06/25/2013   19:27:49   (  -0.04,-134.12) (  -0.02,-134.10)    3.65                80
 06/27/2013   19:12:57   (  -0.05,-134.00) (  -0.63,-131.14)  325.21                80
 06/28/2013   07:37:01   (   0.02,-133.94) (  -0.48,-136.33)  270.73                80
 06/30/2013   07:22:09   (   0.03,-133.82) (   0.15,-133.37)   51.96                80