Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2013 5 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/25/2013   22:27:23   (   0.01,-135.29) (  -0.15,-136.10)   92.36                80
 05/26/2013   22:11:17   (   0.00,-135.27) (   0.81,-131.56)  422.09                80
 05/28/2013   10:30:25   (  -0.02,-135.24) (   0.33,-136.83)  181.39                80
 05/29/2013   10:14:20   (  -0.01,-135.21) (  -0.63,-132.29)  332.65                80
 05/30/2013   22:33:37   (   0.02,-135.16) (  -0.52,-137.59)  277.11                80
 05/31/2013   22:17:33   (   0.01,-135.14) (   0.50,-133.06)  237.03                80
 06/02/2013   10:36:40   (  -0.03,-135.11) (   0.68,-138.32)  366.48                80
 06/03/2013   10:20:36   (  -0.02,-135.08) (  -0.34,-133.79)  147.20                80
 06/04/2013   22:39:52   (   0.04,-135.02) (  -0.87,-139.09)  463.84                80
 06/05/2013   22:23:47   (   0.04,-134.99) (   0.16,-134.56)   49.73                80