Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2015 6 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/01/2015   19:26:08   (  -0.05,-134.80) (  -0.17,-134.26)   61.86                80
 07/03/2015   19:13:58   (  -0.06,-134.85) (  -0.80,-131.30)  402.98                80
 07/04/2015   07:38:03   (   0.04,-134.90) (  -0.29,-136.50)  182.19                80
 07/06/2015   07:23:13   (   0.05,-134.94) (   0.34,-133.55)  158.28                80
 07/06/2015   19:47:08   (  -0.03,-134.92) (   0.79,-138.70)  429.74                80
 07/08/2015   07:11:03   (   0.06,-134.99) (   0.98,-130.60)  498.37                80
 07/08/2015   19:34:58   (  -0.03,-134.96) (   0.16,-135.75)   89.80                80
 07/10/2015   19:20:08   (  -0.04,-135.00) (  -0.49,-132.80)  249.66                80
 07/11/2015   07:44:12   (   0.01,-135.04) (  -0.59,-138.00)  336.08                80
 07/13/2015   07:32:02   (   0.02,-135.07) (  -0.00,-135.04)    3.87                80