Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2013 9 30.  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)
 10/01/2013   10:42:47   (   0.27,-135.33) (   0.19,-134.95)   43.82                80
 10/02/2013   10:31:57   (   0.28,-135.31) (  -0.42,-132.33)  340.38                80
 10/04/2013   22:52:37   (  -0.24,-135.20) (  -0.87,-137.94)  313.01                80
 10/05/2013   22:41:48   (  -0.25,-135.17) (  -0.27,-135.32)   16.98                80
 10/06/2013   22:33:38   (  -0.26,-135.14) (   0.33,-132.70)  278.88                80
 10/09/2013   10:54:00   (   0.22,-135.10) (   0.92,-138.25)  358.33                80
 10/10/2013   10:43:09   (   0.22,-135.07) (   0.38,-135.62)   63.48                80
 10/11/2013   10:35:00   (   0.23,-135.03) (  -0.23,-133.00)  231.32                80
 10/13/2013   22:55:41   (  -0.18,-134.87) (  -1.03,-138.62)  427.81                80