Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP over region 
TLE Epoch: 2014 2 3.  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)
 02/08/2014   03:01:44   (  17.20, 158.29) 02/08/2014   03:03:18    (  16.12, 153.65)  509.10             94
 02/08/2014   15:38:12   (  13.94, 154.18) 02/08/2014   15:35:43    (  14.75, 150.41)  415.94            149
 02/20/2014   15:04:49   (  22.59, 164.14) 02/20/2014   15:07:59    (  23.80, 158.97)  545.34            190
 02/21/2014   04:03:23   (  22.65, 142.03) 02/21/2014   04:02:15    (  21.82, 138.00)  425.84             68