Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 7 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/06/2017   19:25:09   (  -0.06,-135.43) (  -0.34,-134.06)  155.64                80
 07/07/2017   07:49:13   (   0.04,-135.37) (  -0.79,-139.25)  441.12                80
 07/08/2017   19:12:59   (  -0.07,-135.40) (  -0.97,-131.11)  487.86                80
 07/09/2017   07:37:03   (   0.04,-135.34) (  -0.17,-136.30)  109.13                80
 07/11/2017   07:22:14   (   0.06,-135.30) (   0.48,-133.35)  221.99                80
 07/11/2017   19:46:10   (  -0.03,-135.35) (   0.63,-138.51)  359.04                80
 07/13/2017   19:34:01   (  -0.04,-135.31) (   0.02,-135.56)   28.78                80
 07/15/2017   19:19:13   (  -0.05,-135.26) (  -0.63,-132.62)  300.66                80
 07/16/2017   07:43:17   (   0.02,-135.19) (  -0.53,-137.80)  296.71                80
 07/18/2017   07:28:29   (   0.02,-135.14) (   0.09,-134.86)   31.50                80
 07/20/2017   07:16:21   (   0.03,-135.07) (   0.67,-131.91)  358.73                80