Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 6 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/29/2017   19:19:02   (  -0.10,-135.48) (  -0.71,-132.59)  328.77                80
 06/30/2017   07:43:06   (   0.07,-135.43) (  -0.40,-137.78)  266.31                80
 07/02/2017   07:28:14   (   0.08,-135.42) (   0.21,-134.82)   69.22                80
 07/04/2017   07:16:02   (   0.08,-135.41) (   0.83,-131.85)  404.30                80
 07/04/2017   19:39:58   (  -0.06,-135.46) (   0.24,-137.02)  176.66                80
 07/06/2017   19:25:06   (  -0.07,-135.44) (  -0.38,-134.06)  157.62                80
 07/07/2017   07:49:09   (   0.04,-135.39) (  -0.79,-139.24)  437.80                80
 07/08/2017   19:12:54   (  -0.07,-135.42) (  -1.00,-131.10)  491.20                80
 07/09/2017   07:36:57   (   0.05,-135.36) (  -0.16,-136.28)  104.36                80
 07/11/2017   07:22:05   (   0.06,-135.33) (   0.46,-133.32)  228.46                80
 07/11/2017   19:46:01   (  -0.03,-135.37) (   0.61,-138.48)  353.10                80