Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 7 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)
 07/02/2018   19:20:26   (  -0.10,-135.25) (  -0.60,-132.86)  270.57                80
 07/03/2018   07:44:30   (   0.08,-135.24) (  -0.52,-138.05)  320.38                80
 07/05/2018   07:29:39   (   0.09,-135.28) (   0.12,-135.10)   20.63                80
 07/07/2018   07:17:28   (   0.09,-135.33) (   0.76,-132.15)  361.11                80
 07/07/2018   19:41:23   (  -0.06,-135.36) (   0.37,-137.30)  220.90                80
 07/09/2018   19:26:32   (  -0.07,-135.39) (  -0.27,-134.35)  118.52                80
 07/10/2018   07:50:36   (   0.04,-135.38) (  -0.84,-139.54)  472.99                80
 07/11/2018   19:14:21   (  -0.08,-135.42) (  -0.92,-131.39)  456.95                80
 07/12/2018   07:38:25   (   0.05,-135.40) (  -0.19,-136.58)  134.73                80
 07/14/2018   07:23:34   (   0.06,-135.41) (   0.46,-133.63)  202.77                80
 07/14/2018   19:47:29   (  -0.03,-135.44) (   0.68,-138.78)  379.92                80