Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 7 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/27/2018   19:14:19   (  -0.00,-135.51) (  -0.89,-131.38)  469.57                80
 07/28/2018   07:38:22   (  -0.03,-135.47) (  -0.28,-136.56)  124.50                80
 07/30/2018   07:23:31   (  -0.02,-135.45) (   0.39,-133.61)  209.47                80
 07/30/2018   19:47:25   (   0.06,-135.48) (   0.74,-138.76)  372.46                80
 08/01/2018   19:35:14   (   0.05,-135.46) (   0.13,-135.80)   38.99                80
 08/03/2018   19:20:23   (   0.04,-135.43) (  -0.54,-132.85)  293.88                80
 08/04/2018   07:44:25   (  -0.08,-135.38) (  -0.62,-138.03)  300.57                80
 08/06/2018   07:29:33   (  -0.07,-135.34) (  -0.00,-135.07)   31.23                80
 08/08/2018   07:17:22   (  -0.07,-135.30) (   0.62,-132.11)  362.16                80
 08/08/2018   19:41:16   (   0.11,-135.32) (   0.52,-137.26)  220.78                80