Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2013 4 25.  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)
 04/26/2013   10:37:01   (   0.04,-135.24) (   0.07,-135.25)    3.21                80
 04/27/2013   10:26:16   (   0.04,-135.26) (  -0.54,-132.65)  297.52                80
 04/29/2013   22:49:40   (  -0.03,-135.29) (  -0.68,-138.29)  341.56                80
 04/30/2013   22:38:54   (  -0.03,-135.30) (  -0.09,-135.69)   43.34                80
 05/01/2013   22:30:49   (  -0.03,-135.32) (   0.50,-133.09)  255.05                80
 05/04/2013   10:51:26   (   0.03,-135.35) (   0.80,-138.69)  381.73                80
 05/05/2013   10:40:41   (   0.03,-135.36) (   0.19,-136.09)   83.64                80
 05/06/2013   10:32:35   (   0.03,-135.37) (  -0.37,-133.48)  214.40                80
 05/08/2013   22:53:20   (  -0.01,-135.37) (  -0.85,-139.13)  428.35                80