Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2014 6 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/08/2014   22:30:36   (   0.02,-135.33) (   0.21,-134.59)   85.22                80
 06/11/2014   10:33:42   (  -0.03,-135.38) (  -0.05,-135.32)    6.39                80
 06/13/2014   22:34:17   (   0.04,-135.40) (  -0.13,-136.09)   79.53                80
 06/14/2014   22:18:13   (   0.03,-135.40) (   0.89,-131.56)  437.92                80
 06/16/2014   10:37:23   (  -0.05,-135.42) (   0.28,-136.83)  160.60                80
 06/17/2014   10:21:19   (  -0.04,-135.42) (  -0.73,-132.29)  356.62                80
 06/18/2014   22:40:38   (   0.05,-135.42) (  -0.45,-137.60)  247.99                80
 06/19/2014   22:24:34   (   0.05,-135.43) (   0.57,-133.07)  269.01                80
 06/21/2014   10:43:43   (  -0.06,-135.44) (   0.60,-138.33)  330.32                80
 06/22/2014   10:27:40   (  -0.06,-135.44) (  -0.42,-133.80)  186.35                80