Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 5 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 05/13/2018   19:35:01   (  -0.14,-135.43) (  -0.09,-135.76)   37.02                80
 05/15/2018   19:20:11   (  -0.14,-135.40) (  -0.72,-132.81)  295.20                80
 05/16/2018   07:44:15   (   0.14,-135.37) (  -0.42,-138.00)  299.07                80
 05/18/2018   07:29:25   (   0.14,-135.33) (   0.21,-135.05)   31.83                80
 05/20/2018   07:18:40   (   0.15,-135.28) (   0.83,-132.10)  361.99                 5
 05/20/2018   19:41:11   (  -0.14,-135.29) (   0.25,-137.26)  222.90                80
 05/22/2018   19:26:21   (  -0.15,-135.24) (  -0.38,-134.31)  106.92                80
 05/23/2018   07:50:25   (   0.14,-135.20) (  -0.76,-139.49)  487.96                80
 05/24/2018   19:14:10   (  -0.16,-135.19) (  -0.95,-131.35)  436.54                80
 05/25/2018   07:38:15   (   0.15,-135.15) (  -0.12,-136.54)  158.34                80