Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2016 5 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 05/02/2016   11:48:18   (   0.04,-135.29) (   0.59,-137.58)  261.48                80
 05/03/2016   11:34:19   (   0.05,-135.27) (  -0.07,-134.83)   51.06                80
 05/04/2016   11:22:58   (   0.05,-135.25) (  -0.67,-132.07)  363.37                80
 05/06/2016   23:44:54   (  -0.03,-135.19) (  -0.50,-137.31)  241.67                80
 05/07/2016   23:36:14   (  -0.03,-135.16) (   0.12,-134.55)   70.30                80
 05/08/2016   23:24:53   (  -0.03,-135.14) (   0.75,-131.79)  382.15                80
 05/11/2016   11:44:04   (   0.02,-135.08) (   0.49,-137.00)  219.69                80
 05/12/2016   11:35:25   (   0.03,-135.06) (  -0.18,-134.26)   91.77                80
 05/13/2016   11:24:04   (   0.03,-135.03) (  -0.80,-131.50)  403.10                80