Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 7 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/13/2017   19:33:59   (  -0.03,-135.32) (   0.00,-135.55)   26.71                80
 07/15/2017   19:19:09   (  -0.04,-135.27) (  -0.63,-132.60)  303.79                80
 07/16/2017   07:43:13   (   0.01,-135.20) (  -0.51,-137.79)  294.41                80
 07/18/2017   07:28:22   (   0.02,-135.14) (   0.06,-134.83)   35.21                80
 07/20/2017   07:16:12   (   0.02,-135.08) (   0.70,-131.88)  363.86                80
 07/20/2017   19:40:08   (   0.01,-135.13) (   0.39,-137.04)  216.97                80
 07/22/2017   19:25:17   (  -0.00,-135.06) (  -0.18,-134.08)  110.94                80
 07/23/2017   07:49:20   (  -0.03,-134.98) (  -0.94,-139.26)  487.47                80
 07/24/2017   19:13:07   (  -0.01,-134.98) (  -0.82,-131.13)  438.42                80
 07/25/2017   07:37:10   (  -0.02,-134.90) (  -0.30,-136.31)  160.03                80