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   (  16.93, 151.83) 11/24/2013   03:26:39    (  15.90, 147.48)  478.57             98
 11/24/2013   16:01:45   (  13.75, 147.57) 11/24/2013   15:59:12    (  14.48, 144.12)  380.87            153
 12/06/2013   15:28:55   (  22.58, 157.40) 12/06/2013   15:31:09    (  23.64, 152.76)  489.69            134
 12/07/2013   02:45:17   (  22.66, 160.86) 12/07/2013   02:43:53    (  21.94, 157.18)  386.46             84