Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2014 3 20.  Predictions up to the next  30.0 days:

Date(AQUA)     Time(AQUA)   AQUA Lat/Lon   Date(NPP)     Time(NPP)    NPP Lat/Lon    Distance (km)   Time Diff(sec)
 03/24/2014   02:42:13   (  19.20, 160.64) 03/24/2014   02:39:41    (  18.93, 159.32)  142.03            152
 03/29/2014   15:10:56   (  22.58, 159.76) 03/29/2014   15:14:24    (  27.05, 158.20)  520.95            208
 04/01/2014   03:30:29   (  14.17, 149.38) 04/01/2014   03:29:21    (  13.81, 147.81)  173.35             68
 04/09/2014   02:42:19   (  18.11, 160.81) 04/09/2014   02:40:05    (  17.86, 159.50)  141.13            134
 04/17/2014   03:30:33   (  13.09, 149.53) 04/17/2014   03:29:42    (  12.75, 147.99)  171.85             51