Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2015 6 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 06/13/2015   07:16:49   (   0.09,-134.57) (   0.63,-132.00)  291.64                80
 06/13/2015   19:40:44   (  -0.08,-134.54) (   0.50,-137.15)  297.51                80
 06/15/2015   19:25:53   (  -0.08,-134.44) (  -0.12,-134.20)   27.42                80
 06/17/2015   19:13:42   (  -0.09,-134.33) (  -0.76,-131.24)  351.89                80
 06/18/2015   07:37:46   (   0.07,-134.31) (  -0.36,-136.43)  240.75                80
 06/20/2015   07:22:54   (   0.08,-134.20) (   0.23,-133.47)   83.42                80
 06/22/2015   07:10:42   (   0.09,-134.09) (   0.84,-130.50)  407.41                80
 06/22/2015   19:34:37   (  -0.07,-134.05) (   0.27,-135.65)  182.18                80
 06/24/2015   19:19:45   (  -0.08,-133.94) (  -0.35,-132.69)  141.47                80
 06/25/2015   07:43:49   (   0.06,-133.91) (  -0.75,-137.88)  451.11                80