Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2015 6 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/20/2015   07:23:00   (   0.08,-134.19) (   0.24,-133.49)   80.65                80
 06/22/2015   07:10:53   (   0.09,-134.08) (   0.87,-130.55)  402.49                80
 06/22/2015   19:34:49   (  -0.07,-134.05) (   0.27,-135.70)  187.13                80
 06/24/2015   19:20:03   (  -0.08,-133.94) (  -0.33,-132.76)  133.58                80
 06/25/2015   07:44:08   (   0.06,-133.91) (  -0.78,-137.96)  460.49                80
 06/26/2015   19:07:58   (  -0.08,-133.81) (  -0.92,-129.83)  453.20                80
 06/27/2015   07:32:03   (   0.06,-133.78) (  -0.20,-135.02)  141.18                80
 06/29/2015   07:17:20   (   0.07,-133.65) (   0.37,-132.09)  176.84                80
 06/29/2015   19:41:17   (  -0.05,-133.61) (   0.71,-137.26)  414.04                80
 07/01/2015   07:05:18   (   0.07,-133.51) (   0.99,-129.17)  493.43                80
 07/01/2015   19:29:15   (  -0.05,-133.47) (   0.11,-134.34)   97.74                80