Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 7 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/02/2017   07:28:15   (   0.08,-135.42) (   0.19,-134.82)   68.55                80
 07/04/2017   07:16:05   (   0.08,-135.41) (   0.84,-131.87)  402.71                80
 07/04/2017   19:40:01   (  -0.06,-135.45) (   0.25,-137.03)  178.26                80
 07/06/2017   19:25:11   (  -0.06,-135.43) (  -0.35,-134.07)  154.77                80
 07/07/2017   07:49:15   (   0.04,-135.38) (  -0.79,-139.26)  441.22                80
 07/08/2017   19:13:02   (  -0.07,-135.41) (  -0.99,-131.13)  486.89                80
 07/09/2017   07:37:06   (   0.04,-135.35) (  -0.17,-136.31)  109.32                80
 07/11/2017   07:22:18   (   0.06,-135.32) (   0.49,-133.37)  221.68                80
 07/11/2017   19:46:14   (  -0.03,-135.36) (   0.63,-138.53)  360.16                80
 07/13/2017   19:34:06   (  -0.04,-135.32) (   0.01,-135.58)   30.06                80