Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP over region 
TLE Epoch: 2014 6 9.  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   03:07:51   (  22.00, 157.26) 06/16/2014   03:08:02    (  20.86, 152.44)  515.27             11
 06/16/2014   15:44:00   (  10.05, 153.45) 06/16/2014   15:40:24    (  10.17, 149.29)  455.36            216
 06/28/2014   15:08:27   (  22.59, 164.61) 06/28/2014   15:11:20    (  23.93, 158.97)  595.59            173
 06/29/2014   04:06:57   (  22.65, 142.51) 06/29/2014   04:05:36    (  21.76, 137.97)  477.91             81