Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 11 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)
 11/30/2017   07:37:05   (   0.14,-135.32) (  -0.07,-136.33)  115.24                80
 12/02/2017   07:22:13   (   0.14,-135.35) (   0.58,-133.37)  225.16                80
 12/02/2017   19:43:28   (  -0.13,-135.29) (   0.54,-138.52)  366.92                80
 12/04/2017   19:33:55   (  -0.13,-135.32) (  -0.06,-135.55)   27.38                80
 12/06/2017   19:21:43   (  -0.13,-135.34) (  -0.73,-132.60)  311.82                80
 12/07/2017   07:43:06   (   0.11,-135.41) (  -0.42,-137.78)  269.90                80
 12/09/2017   07:28:14   (   0.11,-135.43) (   0.26,-134.83)   68.77                80
 12/11/2017   07:16:01   (   0.11,-135.44) (   0.90,-131.86)  407.25                80
 12/11/2017   19:39:54   (  -0.10,-135.37) (   0.27,-137.00)  186.22                80
 12/13/2017   19:27:41   (  -0.10,-135.38) (  -0.38,-134.04)  152.09                80