Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 2 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 02/20/2018   07:22:08   (  -0.03,-135.44) (   0.42,-133.29)  243.53                80
 02/20/2018   19:43:24   (   0.03,-135.43) (   0.65,-138.46)  344.02                80
 02/22/2018   19:31:12   (   0.03,-135.42) (   0.05,-135.49)    8.36                80
 02/24/2018   19:21:41   (   0.02,-135.41) (  -0.61,-132.54)  326.52                80
 02/25/2018   07:40:25   (  -0.02,-135.42) (  -0.50,-137.73)  263.10                80
 02/27/2018   07:30:53   (  -0.02,-135.40) (   0.11,-134.77)   70.93                80
 03/01/2018   07:18:41   (  -0.02,-135.37) (   0.72,-131.81)  404.77                80
 03/01/2018   19:37:17   (   0.02,-135.36) (   0.35,-136.97)  183.63                80
 03/03/2018   19:27:45   (   0.02,-135.33) (  -0.26,-134.01)  150.03                80
 03/04/2018   07:46:29   (  -0.02,-135.34) (  -0.84,-139.20)  439.59                80