Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 4 16.  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   07:31:38   (   0.08,-135.29) (   0.16,-134.93)   41.27                80
 04/18/2018   07:19:29   (   0.09,-135.34) (   0.80,-131.98)  381.30                80
 04/18/2018   19:40:44   (  -0.09,-135.34) (   0.31,-137.14)  204.77                80
 04/20/2018   19:25:56   (  -0.10,-135.38) (  -0.34,-134.20)  134.01                80
 04/21/2018   07:47:20   (   0.10,-135.39) (  -0.74,-139.40)  455.53                80
 04/22/2018   19:13:47   (  -0.10,-135.40) (  -0.99,-131.25)  472.08                80
 04/23/2018   07:35:11   (   0.11,-135.41) (  -0.08,-136.45)  117.55                80
 04/25/2018   07:25:41   (   0.11,-135.44) (   0.51,-133.50)  220.30                80
 04/25/2018   19:46:57   (  -0.11,-135.44) (   0.59,-138.65)  365.92                80
 04/27/2018   19:34:48   (  -0.11,-135.46) (  -0.07,-135.71)   28.33                80
 04/29/2018   19:19:58   (  -0.11,-135.48) (  -0.67,-132.76)  308.91                80