Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 10 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/16/2018   07:37:55   (   0.33,-135.55) (   0.13,-136.57)  115.75                80
 10/18/2018   07:23:01   (   0.32,-135.51) (   0.71,-133.60)  217.31                80
 10/18/2018   19:44:16   (  -0.32,-135.53) (   0.38,-138.76)  367.51                80
 10/20/2018   19:32:03   (  -0.32,-135.49) (  -0.28,-135.80)   34.79                80
 10/22/2018   19:22:29   (  -0.32,-135.45) (  -0.89,-132.83)  297.64                80
 10/23/2018   07:43:52   (   0.31,-135.42) (  -0.26,-138.01)  295.39                80
 10/25/2018   07:28:58   (   0.31,-135.37) (   0.36,-135.05)   36.05                80
 10/27/2018   07:16:44   (   0.31,-135.31) (   1.00,-132.08)  366.62                80
 10/27/2018   19:37:59   (  -0.31,-135.30) (   0.08,-137.24)  220.21                80
 10/29/2018   19:28:24   (  -0.30,-135.23) (  -0.51,-134.26)  109.55                80