Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 8 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)
 08/03/2017   07:31:06   (  -0.06,-134.55) (  -0.15,-134.82)   31.48                80
 08/05/2017   07:16:16   (  -0.06,-134.45) (   0.51,-131.88)  293.14                80
 08/05/2017   19:40:11   (   0.09,-134.49) (   0.65,-137.02)  288.93                80
 08/07/2017   19:25:21   (   0.08,-134.38) (   0.00,-134.08)   34.96                80
 08/09/2017   19:13:10   (   0.07,-134.27) (  -0.59,-131.12)  358.28                80
 08/10/2017   07:37:13   (  -0.11,-134.18) (  -0.58,-136.29)  240.94                80
 08/12/2017   07:22:23   (  -0.10,-134.06) (   0.07,-133.35)   81.59                80
 08/14/2017   07:10:12   (  -0.09,-133.94) (   0.66,-130.39)  403.47                80
 08/14/2017   19:34:08   (   0.13,-133.96) (   0.44,-135.55)  179.88                80