Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP over region 
TLE Epoch: 2013 10 6.  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)
 10/17/2013   03:33:23   (  10.08, 150.56) 10/17/2013   03:36:59    (   7.97, 146.01)  552.75            216
 10/17/2013   16:09:36   (  22.02, 146.72) 10/17/2013   16:09:25    (  22.81, 142.83)  409.68             11
 10/18/2013   03:25:58   (  22.68, 150.27) 10/18/2013   03:22:21    (  23.46, 147.08)  337.64            217
 10/30/2013   02:55:17   (  20.38, 158.45) 10/30/2013   02:55:56    (  19.47, 154.44)  431.55             39
 10/30/2013   15:31:52   (  10.53, 154.30) 10/30/2013   15:28:24    (  11.21, 151.18)  349.32            208