Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2013 4 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/13/2013   07:12:53   (   0.04,-134.82) (   0.94,-130.51)  490.34                80
 04/13/2013   19:31:29   (  -0.04,-134.84) (   0.13,-135.67)   93.71                80
 04/15/2013   19:21:58   (  -0.05,-134.88) (  -0.54,-132.72)  246.53                80
 04/16/2013   07:43:22   (   0.05,-134.88) (  -0.57,-137.91)  344.09                80
 04/18/2013   07:31:10   (   0.06,-134.91) (   0.06,-134.95)    4.40                80
 04/20/2013   07:16:18   (   0.06,-134.94) (   0.69,-131.99)  335.02                80
 04/20/2013   19:37:33   (  -0.06,-134.95) (   0.42,-137.14)  249.42                80
 04/22/2013   19:28:01   (  -0.06,-134.97) (  -0.23,-134.19)   89.45                80
 04/24/2013   19:15:49   (  -0.07,-134.99) (  -0.89,-131.23)  427.63                80
 04/25/2013   07:37:12   (   0.07,-134.98) (  -0.26,-136.41)  163.45                80