Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 4 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)
 04/27/2018   19:34:49   (  -0.11,-135.47) (  -0.09,-135.72)   27.36                80
 04/29/2018   19:19:59   (  -0.12,-135.49) (  -0.69,-132.76)  309.98                80
 04/30/2018   07:41:24   (   0.12,-135.49) (  -0.39,-137.96)  280.73                80
 05/02/2018   07:31:54   (   0.12,-135.50) (   0.21,-135.01)   55.72                80
 05/04/2018   07:19:45   (   0.13,-135.51) (   0.88,-132.07)  391.47                80
 05/04/2018   19:41:00   (  -0.13,-135.51) (   0.23,-137.22)  194.53                80
 05/06/2018   19:26:11   (  -0.13,-135.51) (  -0.38,-134.27)  140.52                80
 05/07/2018   07:50:15   (   0.13,-135.50) (  -0.70,-139.47)  450.78                80
 05/08/2018   19:14:02   (  -0.14,-135.51) (  -1.04,-131.33)  475.07                80
 05/09/2018   07:35:25   (   0.14,-135.50) (  -0.09,-136.52)  116.29                80