Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP over region 
TLE Epoch: 2014 6 25.  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)
 06/28/2014   15:08:26   (  22.64, 164.63) 06/28/2014   15:11:19    (  23.95, 158.98)  595.27            173
 06/29/2014   04:06:58   (  22.64, 142.52) 06/29/2014   04:05:36    (  21.73, 137.98)  477.72             82
 07/11/2014   16:07:20   (  22.64, 150.05) 07/11/2014   16:08:38    (  23.86, 144.72)  561.38             78
 07/12/2014   03:23:48   (  22.70, 153.44) 07/12/2014   03:21:25    (  21.83, 149.10)  457.57            143