Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 7 16.  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   15:10:12   (  22.64, 159.81) 07/16/2013   15:10:32    (  23.17, 157.31)  262.68             20
 07/24/2013   15:59:32   (  22.59, 147.46) 07/24/2013   16:01:08    (  23.20, 144.69)  292.07             96
 08/01/2013   15:09:57   (  22.58, 159.85) 08/01/2013   15:10:11    (  23.13, 157.43)  254.65             14
 08/09/2013   15:59:11   (  22.62, 147.54) 08/09/2013   16:00:34    (  23.20, 144.87)  280.47             83