Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2016 7 18.  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   19:25:54   (  -0.00,-135.30) (  -0.21,-134.21)  123.71                80
 07/20/2016   07:49:58   (  -0.03,-135.29) (  -0.90,-139.40)  467.57                80
 07/21/2016   19:13:43   (  -0.01,-135.25) (  -0.89,-131.26)  453.93                80
 07/22/2016   07:37:46   (  -0.02,-135.23) (  -0.28,-136.44)  137.49                80
 07/24/2016   07:22:54   (  -0.01,-135.17) (   0.34,-133.48)  191.98                80
 07/24/2016   19:46:48   (   0.04,-135.15) (   0.78,-138.63)  395.41                80
 07/26/2016   19:34:36   (   0.03,-135.09) (   0.16,-135.67)   66.61                80
 07/28/2016   19:19:45   (   0.03,-135.01) (  -0.46,-132.71)  261.46                80
 07/29/2016   07:43:47   (  -0.06,-134.99) (  -0.70,-137.89)  330.25                80
 07/31/2016   07:31:35   (  -0.05,-134.91) (  -0.07,-134.93)    3.03                80