Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2015 4 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)
 04/19/2015   19:31:18   (  -0.03,-135.22) (   0.05,-135.56)   38.40                80
 04/21/2015   19:21:44   (  -0.03,-135.27) (  -0.59,-132.59)  304.43                80
 04/22/2015   07:43:08   (   0.04,-135.29) (  -0.48,-137.79)  283.95                80
 04/24/2015   07:28:13   (   0.04,-135.33) (   0.13,-134.81)   58.46                80
 04/26/2015   07:15:59   (   0.04,-135.37) (   0.81,-131.85)  400.59                80
 04/26/2015   19:37:12   (  -0.05,-135.37) (   0.32,-136.99)  184.95                80
 04/28/2015   19:27:38   (  -0.05,-135.41) (  -0.34,-134.03)  157.12                80
 04/29/2015   07:49:00   (   0.05,-135.43) (  -0.77,-139.21)  430.82                80
 04/30/2015   19:15:23   (  -0.05,-135.44) (  -1.01,-131.06)  498.92                80
 05/01/2015   07:36:45   (   0.05,-135.46) (  -0.09,-136.24)   89.20                80