Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP over region 
TLE Epoch: 2013 6 17.  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)
 06/26/2013   14:45:29   (  14.04, 165.58) 06/26/2013   14:46:38    (  18.47, 162.41)  598.01             69
 06/26/2013   16:25:06   (  22.63, 142.16) 06/26/2013   16:26:42    (  23.51, 138.28)  409.14             96
 06/27/2013   03:41:39   (  22.67, 145.58) 06/27/2013   03:39:27    (  22.08, 142.72)  301.21            132
 07/09/2013   03:10:26   (  16.53, 154.53) 07/09/2013   03:12:11    (  15.66, 150.66)  424.83            105
 07/09/2013   15:47:10   (  14.12, 150.25) 07/09/2013   15:44:43    (  14.77, 147.31)  325.43            147