Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2018 9 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/04/2018   19:22:57   (  -0.26,-135.05) (  -0.70,-132.87)  247.69                80
 09/05/2018   07:41:42   (   0.29,-135.01) (  -0.34,-138.07)  348.33                80
 09/07/2018   07:32:10   (   0.28,-135.08) (   0.29,-135.12)    4.15                80
 09/09/2018   07:19:58   (   0.28,-135.15) (   0.92,-132.16)  340.02                80
 09/09/2018   19:38:34   (  -0.30,-135.23) (   0.14,-137.33)  238.11                80
 09/11/2018   19:29:02   (  -0.30,-135.30) (  -0.49,-134.37)  105.73                80
 09/12/2018   07:50:26   (   0.32,-135.26) (  -0.61,-139.56)  489.24                80
 09/13/2018   19:16:50   (  -0.29,-135.37) (  -1.12,-131.41)  449.31                80
 09/14/2018   07:38:14   (   0.32,-135.33) (   0.02,-136.61)  145.97                80
 09/16/2018   07:23:22   (   0.31,-135.38) (   0.66,-133.65)  196.81                80
 09/16/2018   19:44:37   (  -0.32,-135.45) (   0.40,-138.81)  382.92                80