Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP over region 
TLE Epoch: 2013 1 29.  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)
 02/09/2013   15:50:38   (  22.59, 149.96) 02/09/2013   15:53:39    (  23.44, 146.22)  394.48            181
 02/10/2013   03:07:13   (  22.64, 153.39) 02/10/2013   03:06:23    (  22.06, 150.68)  285.34             50
 02/10/2013   15:43:21   (  10.01, 149.65) 02/10/2013   15:39:44    (   5.51, 146.75)  594.14            217
 02/22/2013   02:36:12   (  14.11, 162.67) 02/22/2013   02:38:38    (  13.26, 159.12)  395.31            146
 02/22/2013   15:12:56   (  16.55, 158.39) 02/22/2013   15:11:11    (  17.13, 155.75)  287.68            105