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

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 04/16/2018   07:31:37   (   0.08,-135.29) (   0.14,-134.93)   41.15                80
 04/18/2018   07:19:28   (   0.09,-135.34) (   0.78,-131.98)  380.94                80
 04/18/2018   19:40:45   (  -0.09,-135.34) (   0.27,-137.15)  205.07                80
 04/20/2018   19:25:56   (  -0.10,-135.37) (  -0.37,-134.21)  133.57                80
 04/21/2018   07:47:20   (   0.10,-135.38) (  -0.77,-139.39)  456.15                80
 04/22/2018   19:13:46   (  -0.10,-135.40) (  -0.96,-131.25)  471.45                80
 04/23/2018   07:35:11   (   0.11,-135.41) (  -0.12,-136.45)  118.32                80
 04/25/2018   07:25:42   (   0.11,-135.43) (   0.53,-133.50)  219.30                80
 04/25/2018   19:46:58   (  -0.11,-135.43) (   0.58,-138.66)  366.87                80
 04/27/2018   19:34:49   (  -0.11,-135.45) (  -0.07,-135.72)   29.50                80