Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 7 7.  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)
 07/08/2013   15:59:43   (  22.62, 147.44) 07/08/2013   16:01:20    (  23.23, 144.61)  297.90             97
 07/16/2013   15:10:13   (  22.63, 159.80) 07/16/2013   15:10:32    (  23.19, 157.32)  262.15             19
 07/24/2013   15:59:34   (  22.59, 147.45) 07/24/2013   16:01:12    (  23.23, 144.68)  292.62             98
 08/01/2013   15:09:59   (  22.62, 159.84) 08/01/2013   15:10:25    (  23.14, 157.38)  258.75             26