Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 6 27.  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)
 06/30/2013   15:10:16   (  22.60, 159.80) 06/30/2013   15:10:38    (  23.19, 157.25)  269.81             22
 07/08/2013   15:59:44   (  22.59, 147.43) 07/08/2013   16:01:20    (  23.23, 144.61)  297.79             96
 07/16/2013   15:10:15   (  22.60, 159.79) 07/16/2013   15:10:33    (  23.13, 157.30)  261.59             18
 07/24/2013   15:59:36   (  22.64, 147.45) 07/24/2013   16:01:12    (  23.23, 144.68)  291.24             96