Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 4 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)
 04/13/2018   19:19:42   (  -0.08,-135.23) (  -0.61,-132.68)  290.05                80
 04/14/2018   07:41:07   (   0.08,-135.24) (  -0.47,-137.88)  299.76                80
 04/16/2018   07:31:38   (   0.08,-135.29) (   0.18,-134.93)   41.09                80
 04/18/2018   07:19:29   (   0.09,-135.34) (   0.82,-131.99)  380.99                80
 04/18/2018   19:40:45   (  -0.09,-135.35) (   0.29,-137.15)  203.88                80
 04/20/2018   19:25:56   (  -0.10,-135.38) (  -0.36,-134.20)  134.78                80
 04/21/2018   07:47:20   (   0.10,-135.38) (  -0.77,-139.39)  456.04                80
 04/22/2018   19:13:47   (  -0.10,-135.41) (  -1.01,-131.26)  472.74                80
 04/23/2018   07:35:11   (   0.11,-135.41) (  -0.12,-136.45)  118.13                80
 04/25/2018   07:25:42   (   0.11,-135.43) (   0.54,-133.50)  219.58                80
 04/25/2018   19:46:57   (  -0.11,-135.45) (   0.57,-138.66)  365.46                80