Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2015 7 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/17/2015   19:26:13   (  -0.00,-135.09) (  -0.19,-134.27)   93.29                80
 07/18/2015   07:50:17   (  -0.02,-135.11) (  -0.94,-139.46)  494.07                80
 07/19/2015   19:14:02   (  -0.01,-135.11) (  -0.83,-131.32)  430.89                80
 07/20/2015   07:38:06   (  -0.01,-135.13) (  -0.30,-136.51)  156.48                80
 07/22/2015   07:23:15   (  -0.01,-135.14) (   0.35,-133.56)  180.72                80
 07/22/2015   19:47:10   (   0.03,-135.13) (   0.77,-138.71)  406.48                80
 07/24/2015   19:34:58   (   0.03,-135.13) (   0.17,-135.74)   70.02                80
 07/26/2015   19:20:07   (   0.02,-135.12) (  -0.49,-132.79)  265.67                80
 07/27/2015   07:44:10   (  -0.05,-135.14) (  -0.68,-137.97)  322.68                80
 07/29/2015   07:29:19   (  -0.05,-135.12) (  -0.01,-135.02)   12.32                80