Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 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)
 07/13/2012   15:11:01   (  19.36, 159.00) 07/13/2012   15:10:06    (  19.85, 156.46)  271.57             55
 07/21/2012   15:59:30   (  22.61, 147.40) 07/21/2012   15:59:52    (  23.23, 144.60)  294.59             22
 07/29/2012   15:10:44   (  19.70, 159.10) 07/29/2012   15:09:55    (  20.20, 156.54)  272.83             49