Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2014 3 12.  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)
 03/13/2014   15:10:30   (  22.58, 159.86) 03/13/2014   15:13:58    (  25.77, 157.97)  403.23            208
 03/16/2014   03:30:32   (  15.84, 149.09) 03/16/2014   03:28:56    (  15.49, 147.55)  170.02             96
 03/24/2014   02:42:38   (  20.85, 160.28) 03/24/2014   02:39:39    (  20.61, 159.04)  131.11            179
 03/29/2014   15:10:45   (  22.63, 159.82) 03/29/2014   15:14:14    (  24.89, 157.83)  323.60            209
 04/01/2014   03:30:50   (  16.34, 148.96) 04/01/2014   03:29:05    (  16.03, 147.51)  158.27            105