Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 5 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/27/2018   07:23:23   (   0.15,-135.10) (   0.47,-133.58)  172.99                80
 05/27/2018   19:47:19   (  -0.14,-135.12) (   0.61,-138.74)  411.00                80
 05/29/2018   19:35:08   (  -0.14,-135.06) (   0.03,-135.78)   82.70                80
 05/31/2018   19:20:18   (  -0.15,-134.98) (  -0.60,-132.83)  244.99                80
 06/01/2018   07:44:22   (   0.14,-134.93) (  -0.53,-138.01)  351.41                80
 06/03/2018   07:32:12   (   0.15,-134.85) (   0.11,-135.07)   24.48                80
 06/05/2018   07:17:22   (   0.16,-134.77) (   0.74,-132.12)  301.97                80
 06/05/2018   19:41:17   (  -0.14,-134.78) (   0.41,-137.26)  282.59                80
 06/07/2018   19:26:27   (  -0.15,-134.70) (  -0.23,-134.31)   43.29                80
 06/09/2018   19:14:17   (  -0.15,-134.60) (  -0.86,-131.36)  368.59                80