Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2013 3 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)
 03/19/2013   07:16:11   (  -0.01,-135.38) (   0.68,-131.98)  385.92                80
 03/19/2013   19:37:27   (   0.01,-135.33) (   0.40,-137.14)  205.13                80
 03/21/2013   19:27:56   (   0.01,-135.31) (  -0.20,-134.18)  128.03                80
 03/22/2013   07:49:21   (  -0.01,-135.34) (  -0.86,-139.38)  459.05                80
 03/23/2013   19:15:46   (   0.01,-135.28) (  -0.88,-131.23)  460.78                80
 03/24/2013   07:37:10   (  -0.01,-135.31) (  -0.24,-136.42)  126.39                80
 03/26/2013   07:22:19   (  -0.01,-135.27) (   0.39,-133.46)  205.84                80
 03/26/2013   19:43:34   (   0.01,-135.22) (   0.75,-138.61)  385.92                80
 03/28/2013   19:31:23   (   0.01,-135.18) (   0.10,-135.66)   54.54                80
 03/30/2013   19:21:51   (   0.00,-135.12) (  -0.49,-132.69)  275.92                80
 03/31/2013   07:43:15   (  -0.00,-135.15) (  -0.61,-137.88)  311.63                80