Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 5 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/29/2018   19:35:09   (  -0.14,-135.06) (  -0.00,-135.78)   82.59                80
 05/31/2018   19:20:18   (  -0.15,-134.98) (  -0.59,-132.82)  245.03                80
 06/01/2018   07:44:23   (   0.14,-134.92) (  -0.49,-138.02)  351.64                80
 06/03/2018   07:32:12   (   0.15,-134.85) (   0.10,-135.06)   24.72                80
 06/05/2018   07:17:22   (   0.16,-134.76) (   0.75,-132.11)  301.72                80
 06/05/2018   19:41:16   (  -0.14,-134.78) (   0.40,-137.26)  282.59                80
 06/07/2018   19:26:26   (  -0.15,-134.69) (  -0.25,-134.32)   43.37                80
 06/09/2018   19:14:16   (  -0.15,-134.60) (  -0.84,-131.36)  368.64                80
 06/10/2018   07:38:19   (   0.14,-134.53) (  -0.28,-136.54)  228.45                80