Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2015 4 20.  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   19:21:43   (  -0.03,-135.25) (  -0.58,-132.59)  302.85                80
 04/22/2015   07:43:07   (   0.03,-135.28) (  -0.50,-137.78)  284.57                80
 04/24/2015   07:28:12   (   0.04,-135.32) (   0.12,-134.81)   57.64                80
 04/26/2015   07:15:58   (   0.04,-135.36) (   0.81,-131.85)  399.56                80
 04/26/2015   19:37:12   (  -0.05,-135.35) (   0.31,-136.99)  187.09                80
 04/28/2015   19:27:37   (  -0.05,-135.38) (  -0.35,-134.02)  154.82                80
 04/29/2015   07:49:00   (   0.05,-135.41) (  -0.76,-139.21)  432.05                80
 04/30/2015   19:15:21   (  -0.05,-135.41) (  -0.98,-131.05)  496.47                80
 05/01/2015   07:36:44   (   0.05,-135.44) (  -0.12,-136.23)   90.57                80
 05/03/2015   07:21:48   (   0.05,-135.46) (   0.53,-133.26)  250.44                80
 05/03/2015   19:43:02   (  -0.05,-135.44) (   0.58,-138.41)  337.24                80