Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 6 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)
 06/28/2018   07:23:33   (   0.11,-135.10) (   0.44,-133.62)  168.60                80
 06/28/2018   19:47:28   (  -0.08,-135.13) (   0.69,-138.77)  413.29                80
 06/30/2018   19:35:17   (  -0.09,-135.19) (   0.06,-135.81)   71.24                80
 07/02/2018   19:20:27   (  -0.11,-135.25) (  -0.63,-132.87)  270.38                80
 07/03/2018   07:44:31   (   0.08,-135.24) (  -0.49,-138.06)  320.12                80
 07/05/2018   07:29:40   (   0.09,-135.29) (   0.14,-135.11)   21.01                80
 07/07/2018   07:17:29   (   0.10,-135.33) (   0.78,-132.15)  361.47                80
 07/07/2018   19:41:23   (  -0.06,-135.36) (   0.35,-137.30)  220.98                80
 07/09/2018   19:26:33   (  -0.07,-135.39) (  -0.28,-134.35)  118.44                80
 07/10/2018   07:50:36   (   0.04,-135.38) (  -0.83,-139.54)  472.54                80