Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 10 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/18/2018   07:23:01   (   0.32,-135.51) (   0.70,-133.60)  217.04                80
 10/18/2018   19:44:16   (  -0.32,-135.53) (   0.40,-138.75)  367.81                80
 10/20/2018   19:32:04   (  -0.32,-135.49) (  -0.27,-135.80)   35.47                80
 10/22/2018   19:22:31   (  -0.32,-135.44) (  -0.87,-132.84)  296.36                80
 10/23/2018   07:43:55   (   0.31,-135.42) (  -0.23,-138.03)  296.88                80
 10/25/2018   07:29:02   (   0.31,-135.36) (   0.36,-135.06)   33.80                80
 10/27/2018   07:16:50   (   0.31,-135.30) (   1.01,-132.11)  363.50                80
 10/27/2018   19:38:05   (  -0.31,-135.30) (   0.10,-137.26)  223.51                80
 10/29/2018   19:28:32   (  -0.30,-135.23) (  -0.47,-134.29)  105.21                80
 10/30/2018   07:49:56   (   0.29,-135.21) (  -0.64,-139.49)  487.13                80