Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2016 5 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/12/2016   07:28:44   (   0.09,-135.04) (   0.11,-134.93)   13.33                80
 05/14/2016   07:16:35   (   0.10,-134.98) (   0.76,-131.98)  342.02                80
 05/14/2016   19:37:51   (  -0.10,-134.99) (   0.33,-137.14)  244.30                80
 05/16/2016   19:28:21   (  -0.10,-134.92) (  -0.27,-134.19)   84.22                80
 05/18/2016   19:16:11   (  -0.10,-134.86) (  -0.88,-131.23)  412.27                80
 05/19/2016   07:37:35   (   0.10,-134.82) (  -0.26,-136.42)  181.84                80
 05/21/2016   07:22:45   (   0.10,-134.75) (   0.35,-133.46)  145.42                80
 05/21/2016   19:44:01   (  -0.09,-134.74) (   0.75,-138.62)  441.85                80
 05/23/2016   07:10:35   (   0.10,-134.66) (   0.97,-130.51)  471.87                80
 05/23/2016   19:31:51   (  -0.10,-134.65) (   0.13,-135.67)  115.50                80
 05/25/2016   19:22:21   (  -0.10,-134.56) (  -0.49,-132.72)  210.10                80