Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2015 4 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/21/2015   19:21:44   (  -0.03,-135.25) (  -0.61,-132.59)  302.88                80
 04/22/2015   07:43:07   (   0.03,-135.28) (  -0.52,-137.78)  284.50                80
 04/24/2015   07:28:13   (   0.04,-135.32) (   0.14,-134.81)   57.55                80
 04/26/2015   07:15:58   (   0.04,-135.36) (   0.77,-131.84)  399.43                80
 04/26/2015   19:37:13   (  -0.05,-135.35) (   0.30,-137.00)  187.32                80
 04/28/2015   19:27:38   (  -0.05,-135.38) (  -0.34,-134.03)  154.43                80
 04/29/2015   07:49:00   (   0.05,-135.41) (  -0.77,-139.21)  432.40                80
 04/30/2015   19:15:22   (  -0.05,-135.41) (  -0.95,-131.05)  495.92                80
 05/01/2015   07:36:46   (   0.05,-135.44) (  -0.10,-136.24)   91.14                80
 05/03/2015   07:21:50   (   0.05,-135.46) (   0.53,-133.27)  249.69                80
 05/03/2015   19:43:03   (  -0.05,-135.44) (   0.58,-138.41)  338.13                80