Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2015 7 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 07/04/2015   07:38:01   (   0.04,-134.88) (  -0.32,-136.49)  183.10                80
 07/06/2015   07:23:11   (   0.05,-134.93) (   0.31,-133.54)  157.72                80
 07/06/2015   19:47:07   (  -0.03,-134.92) (   0.76,-138.70)  429.62                80
 07/08/2015   07:11:01   (   0.05,-134.98) (   0.96,-130.59)  498.11                80
 07/08/2015   19:34:57   (  -0.03,-134.96) (   0.12,-135.75)   89.33                80
 07/10/2015   19:20:07   (  -0.04,-135.00) (  -0.53,-132.80)  250.50                80
 07/11/2015   07:44:11   (   0.01,-135.03) (  -0.60,-137.99)  335.74                80
 07/13/2015   07:32:00   (   0.02,-135.07) (  -0.00,-135.03)    4.60                80
 07/15/2015   07:17:10   (   0.02,-135.09) (   0.66,-132.08)  342.23                80
 07/15/2015   19:41:05   (   0.00,-135.08) (   0.47,-137.23)  245.44                80
 07/17/2015   19:26:15   (  -0.01,-135.10) (  -0.20,-134.29)   92.93                80