Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2011 12 10.  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)
 12/10/2011   22:08:50   (   0.01,-132.35) (   0.64,-129.68)  305.59                80
 12/13/2011   10:35:28   (  -0.03,-133.98) (   0.33,-135.52)  176.35                80
 12/14/2011   10:22:19   (  -0.02,-134.68) (  -0.39,-133.01)  190.17                80
 12/16/2011   22:46:27   (   0.04,-136.64) (  -0.46,-138.91)  258.58                80
 12/17/2011   22:35:57   (   0.03,-137.35) (   0.25,-136.40)  108.26                80
 12/18/2011   22:25:28   (   0.03,-138.06) (   0.95,-133.89)  474.89                80
 12/20/2011   11:02:34   (  -0.04,-138.98) (   0.72,-142.24)  372.75                80
 12/21/2011   10:52:05   (  -0.04,-139.67) (  -0.01,-139.73)    7.32                80
 12/22/2011   10:38:55   (  -0.03,-140.36) (  -0.74,-137.22)  357.94                80
 12/23/2011   23:13:33   (   0.04,-141.57) (  -0.86,-145.63)  462.75                80