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

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/16/2014   10:37:23   (  -0.05,-135.42) (   0.25,-136.83)  160.29                80
 06/17/2014   10:21:20   (  -0.04,-135.43) (  -0.77,-132.30)  356.94                80
 06/18/2014   22:40:38   (   0.05,-135.42) (  -0.41,-137.60)  247.69                80
 06/19/2014   22:24:34   (   0.05,-135.43) (   0.55,-133.06)  269.35                80
 06/21/2014   10:43:44   (  -0.06,-135.44) (   0.56,-138.34)  329.98                80
 06/22/2014   10:27:39   (  -0.06,-135.44) (  -0.40,-133.79)  186.73                80
 06/23/2014   22:46:58   (   0.08,-135.43) (  -0.77,-139.10)  418.83                80
 06/24/2014   22:30:54   (   0.07,-135.42) (   0.26,-134.57)   97.51                80
 06/27/2014   10:34:00   (  -0.08,-135.42) (  -0.12,-135.30)   13.31                80