Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 10 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/03/2017   19:22:03   (  -0.29,-135.43) (  -0.87,-132.73)  306.73                80
 10/04/2017   07:43:27   (   0.30,-135.41) (  -0.23,-137.93)  286.03                80
 10/06/2017   07:28:34   (   0.29,-135.40) (   0.36,-134.96)   49.15                80
 10/08/2017   07:16:22   (   0.29,-135.38) (   1.01,-132.01)  383.40                80
 10/08/2017   19:37:37   (  -0.30,-135.39) (   0.06,-137.17)  202.18                80
 10/10/2017   19:28:04   (  -0.29,-135.36) (  -0.54,-134.20)  131.33                80
 10/11/2017   07:49:28   (   0.29,-135.35) (  -0.55,-139.40)  460.18                80
 10/12/2017   19:15:52   (  -0.28,-135.32) (  -1.13,-131.24)  464.23                80
 10/13/2017   07:37:15   (   0.29,-135.31) (   0.05,-136.43)  127.61                80
 10/15/2017   07:22:22   (   0.28,-135.27) (   0.65,-133.47)  204.58                80
 10/15/2017   19:43:38   (  -0.28,-135.26) (   0.41,-138.63)  383.26                80