Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2016 6 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/20/2016   07:37:51   (   0.08,-135.45) (  -0.13,-136.49)  117.75                80
 06/22/2016   07:23:00   (   0.09,-135.47) (   0.50,-133.53)  220.52                80
 06/22/2016   19:46:55   (  -0.07,-135.47) (   0.63,-138.68)  365.99                80
 06/24/2016   19:34:44   (  -0.08,-135.48) (  -0.01,-135.73)   28.42                80
 06/26/2016   19:19:53   (  -0.09,-135.49) (  -0.66,-132.78)  308.68                80
 06/27/2016   07:43:57   (   0.07,-135.51) (  -0.47,-137.97)  279.75                80
 06/29/2016   07:29:06   (   0.07,-135.51) (   0.19,-135.01)   56.56                80
 07/01/2016   07:16:54   (   0.08,-135.50) (   0.78,-132.05)  392.26                80
 07/01/2016   19:40:49   (  -0.05,-135.49) (   0.28,-137.21)  195.21                80
 07/03/2016   19:25:58   (  -0.06,-135.48) (  -0.32,-134.25)  139.74                80