Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 3 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/03/2018   19:27:50   (   0.01,-135.34) (  -0.27,-134.02)  150.05                80
 03/04/2018   07:46:34   (  -0.01,-135.34) (  -0.85,-139.21)  441.08                80
 03/05/2018   19:15:39   (   0.02,-135.31) (  -0.88,-131.07)  483.08                80
 03/06/2018   07:34:23   (  -0.01,-135.31) (  -0.24,-136.25)  108.22                80
 03/08/2018   07:24:53   (  -0.01,-135.27) (   0.43,-133.31)  224.14                80
 03/08/2018   19:43:28   (   0.01,-135.26) (   0.72,-138.45)  363.64                80
 03/10/2018   19:31:18   (   0.01,-135.22) (   0.04,-135.51)   32.21                80
 03/12/2018   19:21:47   (   0.01,-135.17) (  -0.57,-132.55)  298.91                80
 03/13/2018   07:40:30   (  -0.01,-135.16) (  -0.54,-137.74)  292.62                80
 03/15/2018   07:31:00   (  -0.01,-135.11) (   0.07,-134.78)   37.80                80