Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2013 3 21.  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)
 03/23/2013   22:48:06   (  -0.02,-135.24) (  -0.52,-137.48)  254.43                80
 03/24/2013   22:34:41   (  -0.02,-135.22) (   0.09,-134.88)   39.89                80
 03/25/2013   22:23:56   (  -0.01,-135.20) (   0.63,-132.27)  333.86                80
 03/28/2013   10:47:20   (   0.02,-135.16) (   0.65,-137.91)  312.82                80
 03/29/2013   10:36:35   (   0.01,-135.14) (   0.05,-135.31)   19.52                80
 03/30/2013   10:28:31   (   0.01,-135.10) (  -0.55,-132.71)  273.57                80
 04/01/2013   22:51:52   (  -0.01,-134.99) (  -0.77,-138.33)  381.01                80
 04/02/2013   22:41:08   (  -0.01,-134.95) (  -0.16,-135.74)   88.54                80
 04/03/2013   22:27:42   (  -0.01,-134.92) (   0.39,-133.13)  203.98                80