Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 6 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/01/2018   07:44:22   (   0.14,-134.92) (  -0.49,-138.02)  351.77                80
 06/03/2018   07:32:11   (   0.15,-134.84) (   0.10,-135.06)   25.02                80
 06/05/2018   07:17:20   (   0.16,-134.75) (   0.70,-132.10)  301.28                80
 06/05/2018   19:41:16   (  -0.14,-134.78) (   0.38,-137.26)  282.25                80
 06/07/2018   19:26:25   (  -0.15,-134.68) (  -0.23,-134.30)   43.54                80
 06/09/2018   19:14:14   (  -0.15,-134.59) (  -0.84,-131.34)  368.80                80
 06/10/2018   07:38:18   (   0.14,-134.52) (  -0.29,-136.53)  229.12                80
 06/12/2018   07:23:27   (   0.14,-134.41) (   0.33,-133.58)   95.12                80
 06/12/2018   19:47:22   (  -0.12,-134.43) (   0.80,-138.72)  489.06                80
 06/14/2018   07:11:16   (   0.15,-134.29) (   0.96,-130.62)  418.40                80
 06/14/2018   19:35:11   (  -0.13,-134.31) (   0.18,-135.77)  165.99                80