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) (  -0.01,-135.79)   82.43                80
 05/31/2018   19:20:18   (  -0.15,-134.98) (  -0.60,-132.83)  245.13                80
 06/01/2018   07:44:22   (   0.14,-134.92) (  -0.54,-138.01)  351.78                80
 06/03/2018   07:32:12   (   0.15,-134.84) (   0.11,-135.06)   24.96                80
 06/05/2018   07:17:21   (   0.16,-134.76) (   0.69,-132.10)  301.41                80
 06/05/2018   19:41:17   (  -0.14,-134.78) (   0.39,-137.26)  282.69                80
 06/07/2018   19:26:27   (  -0.15,-134.69) (  -0.26,-134.32)   43.23                80
 06/09/2018   19:14:16   (  -0.15,-134.59) (  -0.85,-131.36)  368.36                80
 06/10/2018   07:38:20   (   0.14,-134.53) (  -0.28,-136.54)  228.98                80