Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2013 4 26.  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   10:37:02   (   0.04,-135.25) (   0.05,-135.25)    1.81                80
 04/27/2013   10:26:16   (   0.04,-135.26) (  -0.55,-132.65)  297.88                80
 04/29/2013   22:49:39   (  -0.03,-135.29) (  -0.73,-138.28)  341.36                80
 04/30/2013   22:38:53   (  -0.03,-135.31) (  -0.13,-135.68)   43.04                80
 05/01/2013   22:30:48   (  -0.03,-135.32) (   0.46,-133.08)  255.29                80
 05/04/2013   10:51:27   (   0.03,-135.35) (   0.78,-138.70)  381.17                80
 05/05/2013   10:43:21   (   0.03,-135.36) (   0.17,-136.10)   83.08                80
 05/06/2013   10:32:35   (   0.03,-135.37) (  -0.38,-133.48)  214.99                80
 05/08/2013   22:53:20   (  -0.01,-135.38) (  -0.89,-139.12)  427.92                80
 05/09/2013   22:42:34   (  -0.01,-135.38) (  -0.29,-136.52)  130.47                80