Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2016 4 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/19/2016   07:22:12   (   0.05,-135.38) (   0.45,-133.36)  230.10                80
 04/19/2016   19:43:29   (  -0.05,-135.41) (   0.61,-138.52)  354.33                80
 04/21/2016   19:31:21   (  -0.05,-135.41) (   0.01,-135.58)   20.01                80
 04/23/2016   19:21:54   (  -0.06,-135.40) (  -0.65,-132.64)  313.68                80
 04/24/2016   07:43:18   (   0.06,-135.38) (  -0.47,-137.83)  279.59                80
 04/26/2016   07:28:31   (   0.06,-135.36) (   0.16,-134.90)   52.74                80
 04/28/2016   07:16:25   (   0.07,-135.34) (   0.77,-131.95)  384.18                80
 04/28/2016   19:37:41   (  -0.07,-135.35) (   0.33,-137.12)  201.80                80
 04/30/2016   19:28:15   (  -0.08,-135.32) (  -0.32,-134.18)  128.70                80
 05/01/2016   07:49:40   (   0.08,-135.29) (  -0.80,-139.38)  464.59                80
 05/02/2016   19:16:09   (  -0.08,-135.28) (  -0.95,-131.25)  458.55                80