Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 10 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/06/2018   19:22:44   (  -0.33,-135.66) (  -0.94,-132.88)  316.67                80
 10/07/2018   07:44:08   (   0.34,-135.62) (  -0.16,-138.08)  278.66                80
 10/09/2018   07:29:15   (   0.33,-135.62) (   0.44,-135.11)   57.39                80
 10/11/2018   07:17:02   (   0.33,-135.61) (   1.05,-132.15)  393.05                80
 10/11/2018   19:38:18   (  -0.34,-135.64) (   0.01,-137.31)  189.33                80
 10/13/2018   19:28:45   (  -0.33,-135.63) (  -0.60,-134.35)  145.79                80
 10/14/2018   07:50:09   (   0.33,-135.60) (  -0.50,-139.54)  448.36                80
 10/15/2018   19:16:32   (  -0.33,-135.61) (  -1.20,-131.38)  480.37                80
 10/16/2018   07:37:56   (   0.33,-135.57) (   0.10,-136.58)  114.09                80
 10/18/2018   07:23:03   (   0.32,-135.55) (   0.71,-133.61)  219.65                80
 10/18/2018   19:44:19   (  -0.32,-135.57) (   0.35,-138.78)  364.70                80