Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP over region 
TLE Epoch: 2013 8 2.  Predictions up to the next  30.0 days:

Date(NOAA-19)     Time(NOAA-19)   NOAA-19 Lat/Lon   Date(NPP)     Time(NPP)    NPP Lat/Lon    Distance (km)   Time Diff(sec)
 08/03/2013   03:42:26   (  16.45, 146.72) 08/03/2013   03:44:13    (  15.55, 142.75)  436.13            107
 08/03/2013   16:19:18   (  14.03, 142.37) 08/03/2013   16:16:49    (  14.71, 139.35)  334.98            149
 08/15/2013   15:47:14   (  22.63, 151.96) 08/15/2013   15:49:11    (  23.58, 147.81)  437.26            117
 08/16/2013   03:03:38   (  22.67, 155.41) 08/16/2013   03:01:56    (  21.99, 152.25)  333.56            102
 08/28/2013   02:31:11   (  12.95, 165.28) 08/28/2013   02:33:58    (  11.96, 160.96)  481.59            167
 08/28/2013   15:08:00   (  17.59, 160.96) 08/28/2013   15:06:33    (  18.29, 157.57)  366.69             87