Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP over region 
TLE Epoch: 2014 3 22.  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)
 03/31/2014   03:48:57   (  19.92, 146.52) 03/31/2014   03:49:44    (  18.82, 141.87)  502.87             47
 03/31/2014   16:25:33   (  11.06, 142.38) 03/31/2014   16:22:13    (  11.88, 138.61)  420.77            200
 04/12/2014   15:50:51   (  22.60, 153.16) 04/12/2014   15:53:54    (  23.86, 147.80)  565.11            184
 04/13/2014   03:07:10   (  22.67, 156.60) 04/13/2014   03:06:41    (  21.81, 152.19)  464.53             29
 04/13/2014   15:43:19   (  10.02, 152.90) 04/13/2014   15:39:42    (   7.00, 148.54)  585.29            217