Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 7 9.  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)
 07/16/2013   15:10:13   (  22.63, 159.81) 07/16/2013   15:10:32    (  23.20, 157.32)  262.13             19
 07/24/2013   15:59:33   (  22.63, 147.46) 07/24/2013   16:01:12    (  23.23, 144.68)  292.54             99
 08/01/2013   15:09:57   (  22.63, 159.85) 08/01/2013   15:10:23    (  23.19, 157.40)  258.95             26