Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2017 9 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/08/2017   19:28:13   (  -0.27,-135.01) (  -0.41,-134.19)   92.38                80
 09/10/2017   19:16:02   (  -0.26,-134.97) (  -1.05,-131.24)  424.63                80
 09/11/2017   07:37:26   (   0.28,-134.90) (  -0.07,-136.43)  174.84                80
 09/13/2017   07:22:35   (   0.27,-134.85) (   0.56,-133.47)  156.17                80
 09/13/2017   19:43:51   (  -0.29,-134.90) (   0.52,-138.64)  425.52                80
 09/15/2017   07:10:24   (   0.27,-134.80) (   1.19,-130.52)  486.41                80
 09/15/2017   19:31:40   (  -0.28,-134.84) (  -0.11,-135.68)   95.16                80
 09/17/2017   19:22:09   (  -0.28,-134.79) (  -0.73,-132.73)  234.70                80
 09/18/2017   07:43:33   (   0.29,-134.72) (  -0.39,-137.92)  363.21                80
 09/20/2017   07:31:22   (   0.29,-134.66) (   0.23,-134.96)   33.77                80