Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 7 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/04/2017   07:16:04   (   0.08,-135.41) (   0.82,-131.86)  402.75                80
 07/04/2017   19:40:00   (  -0.06,-135.45) (   0.27,-137.02)  177.95                80
 07/06/2017   19:25:09   (  -0.06,-135.43) (  -0.33,-134.06)  155.31                80
 07/07/2017   07:49:13   (   0.04,-135.37) (  -0.80,-139.25)  440.84                80
 07/08/2017   19:12:59   (  -0.07,-135.40) (  -0.98,-131.11)  487.77                80
 07/09/2017   07:37:03   (   0.04,-135.35) (  -0.15,-136.30)  108.55                80
 07/11/2017   07:22:13   (   0.06,-135.31) (   0.48,-133.35)  222.98                80
 07/11/2017   19:46:09   (  -0.03,-135.35) (   0.62,-138.51)  358.50                80
 07/13/2017   19:33:59   (  -0.04,-135.31) (   0.00,-135.56)   27.72                80
 07/15/2017   19:19:09   (  -0.05,-135.27) (  -0.60,-132.60)  302.43                80
 07/16/2017   07:43:12   (   0.02,-135.20) (  -0.53,-137.79)  294.19                80