Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2014 6 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/26/2014   10:50:03   (  -0.09,-135.46) (   0.92,-139.83)  498.59                80
 06/27/2014   10:34:00   (  -0.09,-135.46) (  -0.11,-135.30)   17.78                80
 06/29/2014   22:34:35   (   0.10,-135.44) (  -0.03,-136.07)   71.48                80
 06/30/2014   22:18:31   (   0.09,-135.43) (   0.99,-131.54)  444.59                80
 07/02/2014   10:37:40   (  -0.10,-135.42) (   0.23,-136.79)  156.94                80
 07/03/2014   10:21:36   (  -0.10,-135.41) (  -0.79,-132.26)  358.80                80
 07/04/2014   22:40:54   (   0.11,-135.39) (  -0.36,-137.57)  247.62                80
 07/05/2014   22:24:50   (   0.11,-135.38) (   0.61,-133.03)  267.73                80
 07/07/2014   10:43:59   (  -0.13,-135.36) (   0.56,-138.29)  335.04                80
 07/08/2014   10:27:56   (  -0.12,-135.34) (  -0.47,-133.76)  179.69                80
 07/09/2014   22:47:14   (   0.14,-135.31) (  -0.68,-139.07)  428.44                80