Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2012 3 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/27/2012   10:36:16   (   0.06,-134.98) (   0.80,-138.29)  377.84                80
 03/28/2012   10:20:10   (   0.06,-134.94) (  -0.17,-133.75)  134.74                80
 03/29/2012   22:39:26   (  -0.06,-134.92) (  -0.98,-139.07)  472.70                80
 03/30/2012   22:23:21   (  -0.06,-134.88) (  -0.00,-134.53)   39.68                80
 04/02/2012   10:23:44   (   0.06,-134.75) (   0.17,-135.27)   59.32                80
 04/03/2012   10:07:38   (   0.07,-134.70) (  -0.80,-130.73)  452.42                80
 04/04/2012   22:26:55   (  -0.06,-134.66) (  -0.35,-136.04)  156.48                80
 04/05/2012   22:10:49   (  -0.06,-134.62) (   0.63,-131.50)  355.00                80
 04/07/2012   10:29:56   (   0.05,-134.52) (   0.57,-136.77)  257.23                80
 04/08/2012   10:13:52   (   0.06,-134.46) (  -0.47,-132.25)  253.55                80
 04/09/2012   22:33:07   (  -0.05,-134.41) (  -0.74,-137.55)  357.33                80