Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 7 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/25/2017   07:37:10   (  -0.02,-134.93) (  -0.32,-136.31)  156.89                80
 07/27/2017   07:22:20   (  -0.01,-134.86) (   0.33,-133.36)  170.71                80
 07/27/2017   19:46:15   (   0.04,-134.90) (   0.83,-138.50)  410.53                80
 07/29/2017   07:10:09   (  -0.01,-134.78) (   0.92,-130.40)  498.11                80
 07/29/2017   19:34:05   (   0.04,-134.82) (   0.18,-135.56)   83.19                80
 07/31/2017   19:19:14   (   0.03,-134.74) (  -0.40,-132.60)  243.65                80
 08/01/2017   07:43:18   (  -0.07,-134.66) (  -0.72,-137.79)  354.79                80
 08/03/2017   07:31:07   (  -0.06,-134.57) (  -0.13,-134.83)   28.74                80
 08/05/2017   07:16:17   (  -0.05,-134.48) (   0.52,-131.88)  296.64                80
 08/05/2017   19:40:11   (   0.09,-134.52) (   0.64,-137.02)  285.53                80
 08/07/2017   19:25:22   (   0.08,-134.42) (  -0.01,-134.08)   39.19                80