Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2013 4 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/20/2013   07:16:19   (   0.06,-135.08) (   0.74,-132.00)  351.13                80
 04/20/2013   19:37:33   (  -0.06,-135.11) (   0.38,-137.15)  232.07                80
 04/22/2013   19:28:01   (  -0.06,-135.16) (  -0.27,-134.19)  110.47                80
 04/23/2013   07:49:25   (   0.06,-135.16) (  -0.83,-139.38)  479.56                80
 04/24/2013   19:15:50   (  -0.06,-135.21) (  -0.92,-131.24)  452.32                80
 04/25/2013   07:37:13   (   0.06,-135.21) (  -0.17,-136.43)  138.00                80
 04/27/2013   07:22:20   (   0.07,-135.25) (   0.43,-133.46)  202.69                80
 04/27/2013   19:43:35   (  -0.06,-135.26) (   0.67,-138.61)  381.49                80
 04/29/2013   19:31:23   (  -0.07,-135.29) (  -0.01,-135.66)   41.78                80
 05/01/2013   19:21:50   (  -0.08,-135.32) (  -0.64,-132.70)  297.62                80
 05/02/2013   07:43:14   (   0.07,-135.31) (  -0.44,-137.89)  292.78                80