Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP over region 
TLE Epoch: 2013 11 12.  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)
 11/24/2013   03:25:01   (  16.94, 151.83) 11/24/2013   03:26:39    (  15.90, 147.48)  478.66             98
 11/24/2013   16:01:45   (  13.75, 147.57) 11/24/2013   15:59:12    (  14.49, 144.12)  380.95            153
 12/06/2013   15:28:54   (  22.62, 157.42) 12/06/2013   15:31:08    (  23.70, 152.77)  489.86            134
 12/07/2013   02:45:17   (  22.69, 160.85) 12/07/2013   02:43:53    (  21.93, 157.19)  386.63             84