Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 2 8.  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)
 02/14/2013   15:59:19   (  22.60, 147.50) 02/14/2013   16:00:10    (  23.27, 144.57)  309.37             51
 02/22/2013   15:09:39   (  22.49, 159.91) 02/22/2013   15:09:36    (  23.03, 157.17)  286.87              3
 03/02/2013   15:58:40   (  22.61, 147.69) 03/02/2013   16:00:22    (  23.33, 144.55)  331.61            102