Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 8 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/04/2018   07:44:25   (  -0.08,-135.38) (  -0.67,-138.02)  300.41                80
 08/06/2018   07:29:34   (  -0.07,-135.35) (   0.00,-135.07)   31.77                80
 08/08/2018   07:17:22   (  -0.07,-135.30) (   0.61,-132.11)  362.96                80
 08/08/2018   19:41:16   (   0.11,-135.34) (   0.52,-137.26)  218.70                80
 08/10/2018   19:26:24   (   0.09,-135.29) (  -0.08,-134.30)  111.59                80
 08/11/2018   07:50:28   (  -0.13,-135.23) (  -1.02,-139.49)  484.55                80
 08/12/2018   19:14:14   (   0.09,-135.23) (  -0.75,-131.35)  441.49                80
 08/13/2018   07:38:16   (  -0.13,-135.17) (  -0.41,-136.53)  154.66                80
 08/15/2018   07:23:24   (  -0.11,-135.11) (   0.20,-133.57)  174.95                80
 08/15/2018   19:47:20   (   0.15,-135.15) (   0.88,-138.73)  407.13                80
 08/17/2018   19:35:08   (   0.15,-135.08) (   0.28,-135.77)   77.88                80