Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 10 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/14/2018   07:50:08   (   0.33,-135.58) (  -0.48,-139.54)  449.40                80
 10/15/2018   19:16:32   (  -0.32,-135.59) (  -1.24,-131.38)  478.38                80
 10/16/2018   07:37:54   (   0.33,-135.55) (   0.09,-136.56)  115.82                80
 10/18/2018   07:23:01   (   0.32,-135.52) (   0.72,-133.60)  217.31                80
 10/18/2018   19:44:16   (  -0.32,-135.53) (   0.38,-138.76)  367.61                80
 10/20/2018   19:32:03   (  -0.32,-135.49) (  -0.26,-135.80)   34.79                80
 10/22/2018   19:22:29   (  -0.32,-135.45) (  -0.85,-132.83)  297.54                80
 10/23/2018   07:43:53   (   0.31,-135.43) (  -0.24,-138.02)  295.39                80
 10/25/2018   07:28:59   (   0.31,-135.37) (   0.36,-135.05)   35.98                80
 10/27/2018   07:16:45   (   0.31,-135.32) (   0.97,-132.09)  366.49                80
 10/27/2018   19:38:00   (  -0.31,-135.31) (   0.12,-137.24)  220.47                80