Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2016 10 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 10/21/2016   07:16:08   (   0.29,-134.67) (   0.89,-131.90)  314.34                80
 10/21/2016   19:37:23   (  -0.29,-134.68) (   0.23,-137.05)  270.59                80
 10/23/2016   19:27:51   (  -0.28,-134.58) (  -0.39,-134.10)   55.58                80
 10/25/2016   19:15:39   (  -0.28,-134.49) (  -1.00,-131.14)  381.47                80
 10/26/2016   07:37:03   (   0.27,-134.43) (  -0.12,-136.33)  214.75                80
 10/28/2016   07:22:11   (   0.27,-134.33) (   0.48,-133.36)  110.48                80
 10/28/2016   19:43:26   (  -0.27,-134.33) (   0.65,-138.51)  475.84                80
 10/30/2016   07:09:59   (   0.27,-134.23) (   1.08,-130.40)  435.21                80
 10/30/2016   19:31:15   (  -0.27,-134.23) (  -0.01,-135.56)  151.15                80
 11/01/2016   19:21:43   (  -0.26,-134.12) (  -0.59,-132.60)  172.87                80
 11/02/2016   07:43:07   (   0.25,-134.07) (  -0.53,-137.79)  422.65                80
 11/03/2016   19:09:31   (  -0.26,-134.00) (  -1.16,-129.64)  496.15                80