Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2013 8 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)
 08/27/2013   10:24:48   (   0.44,-135.28) (   0.41,-135.15)   14.66                80
 08/29/2013   22:28:03   (  -0.43,-135.37) (  -0.57,-135.94)   65.10                80
 08/30/2013   22:11:59   (  -0.43,-135.42) (   0.45,-131.41)  456.55                80
 09/01/2013   10:33:50   (   0.41,-135.54) (   0.68,-136.69)  131.70                80
 09/02/2013   10:12:26   (   0.42,-135.58) (  -0.34,-132.16)  389.17                80
 09/03/2013   22:34:24   (  -0.40,-135.60) (  -0.83,-137.47)  213.90                80
 09/04/2013   22:18:21   (  -0.41,-135.64) (   0.19,-132.94)  307.26                80
 09/06/2013   10:40:11   (   0.39,-135.76) (   0.93,-138.23)  281.07                80
 09/07/2013   10:18:48   (   0.40,-135.79) (  -0.09,-133.70)  239.31                80
 09/08/2013   22:40:45   (  -0.39,-135.79) (  -1.14,-139.00)  365.93                80