Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2014 6 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/03/2014   22:24:15   (   0.01,-135.22) (   0.50,-133.08)  244.88                80
 06/05/2014   10:43:24   (  -0.02,-135.27) (   0.68,-138.34)  350.00                80
 06/06/2014   10:27:20   (  -0.01,-135.30) (  -0.33,-133.81)  169.22                80
 06/07/2014   22:46:40   (   0.02,-135.32) (  -0.81,-139.12)  432.86                80
 06/08/2014   22:30:36   (   0.02,-135.34) (   0.20,-134.59)   85.87                80
 06/11/2014   10:33:42   (  -0.03,-135.39) (  -0.04,-135.32)    7.67                80
 06/13/2014   22:34:17   (   0.04,-135.41) (  -0.13,-136.09)   78.32                80
 06/14/2014   22:18:13   (   0.03,-135.42) (   0.89,-131.56)  439.23                80
 06/16/2014   10:37:23   (  -0.05,-135.44) (   0.29,-136.83)  158.84                80
 06/17/2014   10:21:19   (  -0.04,-135.44) (  -0.73,-132.30)  358.51                80