Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2016 5 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/10/2016   07:43:34   (   0.09,-135.10) (  -0.51,-137.88)  315.77                80
 05/12/2016   07:28:44   (   0.09,-135.05) (   0.09,-134.92)   13.80                80
 05/14/2016   07:16:35   (   0.10,-134.99) (   0.76,-131.98)  342.52                80
 05/14/2016   19:37:51   (  -0.10,-134.99) (   0.34,-137.14)  243.70                80
 05/16/2016   19:28:21   (  -0.10,-134.93) (  -0.28,-134.19)   85.23                80
 05/18/2016   19:16:10   (  -0.10,-134.87) (  -0.85,-131.22)  413.68                80
 05/19/2016   07:37:35   (   0.10,-134.83) (  -0.22,-136.42)  180.32                80
 05/21/2016   07:22:44   (   0.10,-134.76) (   0.36,-133.46)  147.40                80
 05/21/2016   19:43:59   (  -0.09,-134.75) (   0.73,-138.62)  439.70                80
 05/23/2016   07:10:34   (   0.10,-134.68) (   1.02,-130.51)  474.40                80
 05/23/2016   19:31:48   (  -0.10,-134.67) (   0.13,-135.66)  112.85                80