Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2016 7 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)
 07/19/2016   19:25:55   (  -0.00,-135.31) (  -0.26,-134.22)  124.11                80
 07/20/2016   07:49:57   (  -0.03,-135.29) (  -0.91,-139.40)  467.37                80
 07/21/2016   19:13:43   (  -0.01,-135.25) (  -0.87,-131.26)  454.38                80
 07/22/2016   07:37:45   (  -0.02,-135.23) (  -0.30,-136.44)  137.25                80
 07/24/2016   07:22:54   (  -0.01,-135.17) (   0.38,-133.49)  192.31                80
 07/24/2016   19:46:49   (   0.04,-135.16) (   0.75,-138.64)  394.88                80
 07/26/2016   19:34:37   (   0.03,-135.09) (   0.13,-135.68)   66.09                80
 07/28/2016   19:19:45   (   0.03,-135.02) (  -0.48,-132.72)  262.07                80
 07/29/2016   07:43:48   (  -0.06,-134.99) (  -0.68,-137.89)  329.85                80
 07/31/2016   07:31:36   (  -0.05,-134.91) (  -0.06,-134.93)    2.50                80