Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 2 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 02/01/2018   19:15:35   (   0.03,-135.18) (  -0.86,-131.05)  469.30                80
 02/02/2018   07:36:59   (  -0.03,-135.21) (  -0.26,-136.24)  117.99                80
 02/04/2018   07:22:08   (  -0.03,-135.26) (   0.37,-133.29)  224.05                80
 02/04/2018   19:43:24   (   0.03,-135.26) (   0.70,-138.45)  362.51                80
 02/06/2018   19:31:13   (   0.03,-135.31) (   0.07,-135.49)   20.88                80
 02/08/2018   19:21:42   (   0.02,-135.36) (  -0.57,-132.54)  320.19                80
 02/09/2018   07:43:06   (  -0.02,-135.39) (  -0.55,-137.73)  267.07                80
 02/11/2018   07:28:16   (  -0.01,-135.42) (   0.15,-134.79)   72.96                80
 02/13/2018   07:16:05   (  -0.00,-135.46) (   0.79,-131.83)  412.54                80
 02/13/2018   19:37:20   (  -0.00,-135.45) (   0.34,-136.98)  175.14                80