Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP over region 
TLE Epoch: 2014 6 4.  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)
 06/16/2014   03:07:52   (  22.02, 157.25) 06/16/2014   03:08:03    (  20.89, 152.43)  515.10             11
 06/16/2014   15:44:01   (  10.04, 153.44) 06/16/2014   15:40:25    (  10.15, 149.28)  455.39            216
 06/28/2014   15:08:27   (  22.63, 164.62) 06/28/2014   15:11:19    (  23.96, 158.98)  594.90            172
 06/29/2014   04:06:59   (  22.67, 142.50) 06/29/2014   04:05:37    (  21.79, 137.96)  477.27             82