Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 6 28.  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) (  -0.72,-132.59)  328.77                80
 06/30/2017   07:43:05   (   0.07,-135.43) (  -0.45,-137.77)  266.21                80
 07/02/2017   07:28:14   (   0.08,-135.43) (   0.21,-134.82)   69.43                80
 07/04/2017   07:16:02   (   0.08,-135.42) (   0.82,-131.86)  404.61                80
 07/04/2017   19:39:58   (  -0.06,-135.46) (   0.24,-137.02)  176.40                80
 07/06/2017   19:25:06   (  -0.07,-135.44) (  -0.37,-134.06)  157.94                80
 07/07/2017   07:49:09   (   0.04,-135.39) (  -0.80,-139.23)  437.39                80
 07/08/2017   19:12:54   (  -0.07,-135.42) (  -0.98,-131.10)  491.60                80
 07/09/2017   07:36:58   (   0.05,-135.37) (  -0.12,-136.29)  103.91                80
 07/11/2017   07:22:06   (   0.06,-135.34) (   0.49,-133.33)  228.97                80
 07/11/2017   19:46:01   (  -0.03,-135.38) (   0.64,-138.47)  352.60                80