Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 1 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 01/30/2018   19:27:47   (   0.02,-135.12) (  -0.24,-134.01)  126.43                80
 01/31/2018   07:49:10   (  -0.02,-135.15) (  -0.89,-139.20)  460.23                80
 02/01/2018   19:15:36   (   0.03,-135.18) (  -0.83,-131.05)  468.74                80
 02/02/2018   07:37:00   (  -0.03,-135.21) (  -0.25,-136.25)  118.16                80
 02/04/2018   07:22:10   (  -0.03,-135.27) (   0.38,-133.30)  223.44                80
 02/04/2018   19:43:26   (   0.03,-135.26) (   0.71,-138.46)  363.76                80
 02/06/2018   19:31:17   (   0.03,-135.31) (   0.05,-135.52)   22.82                80
 02/08/2018   19:21:48   (   0.02,-135.36) (  -0.59,-132.57)  317.50                80
 02/09/2018   07:43:13   (  -0.02,-135.39) (  -0.50,-137.77)  269.49                80
 02/11/2018   07:28:24   (  -0.01,-135.43) (   0.11,-134.82)   69.49                80