Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 8 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/03/2018   19:20:22   (   0.04,-135.44) (  -0.51,-132.84)  295.16                80
 08/04/2018   07:44:25   (  -0.08,-135.38) (  -0.65,-138.02)  300.18                80
 08/06/2018   07:29:33   (  -0.07,-135.35) (  -0.03,-135.06)   31.93                80
 08/08/2018   07:17:21   (  -0.07,-135.30) (   0.61,-132.10)  363.14                80
 08/08/2018   19:41:15   (   0.11,-135.33) (   0.52,-137.26)  218.70                80
 08/10/2018   19:26:24   (   0.09,-135.28) (  -0.12,-134.30)  111.63                80
 08/11/2018   07:50:26   (  -0.13,-135.22) (  -1.03,-139.48)  484.19                80
 08/12/2018   19:14:12   (   0.08,-135.22) (  -0.76,-131.34)  441.71                80
 08/13/2018   07:38:14   (  -0.13,-135.16) (  -0.38,-136.52)  154.20                80
 08/15/2018   07:23:21   (  -0.11,-135.10) (   0.21,-133.56)  175.63                80
 08/15/2018   19:47:16   (   0.15,-135.13) (   0.92,-138.71)  406.64                80