Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP over region 
TLE Epoch: 2013 6 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)
 06/14/2013   02:37:31   (  14.25, 162.99) 06/14/2013   02:39:55    (  13.32, 159.05)  437.93            144
 06/14/2013   15:14:06   (  16.68, 158.79) 06/14/2013   15:12:23    (  17.33, 155.75)  331.34            103
 06/26/2013   14:45:30   (  14.13, 165.58) 06/26/2013   14:46:40    (  18.39, 162.38)  583.43             70
 06/26/2013   16:25:09   (  22.61, 142.14) 06/26/2013   16:26:43    (  23.48, 138.27)  408.22             94
 06/27/2013   03:41:42   (  22.69, 145.55) 06/27/2013   03:39:28    (  22.12, 142.70)  300.15            134