Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP over region 
TLE Epoch: 2014 10 20.  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)
 10/23/2014   02:52:55   (  22.70, 162.40) 10/23/2014   02:51:25    (  21.66, 157.08)  560.68             90
 11/05/2014   03:51:00   (  22.69, 148.05) 11/05/2014   03:48:00    (  21.64, 142.90)  542.98            180
 11/18/2014   03:06:56   (  22.68, 159.24) 11/18/2014   03:03:20    (  22.77, 153.84)  553.95            216