Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 7 2.  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)
 07/05/2012   15:59:32   (  22.62, 147.41) 07/05/2012   15:59:51    (  23.26, 144.63)  293.96             19
 07/13/2012   15:11:01   (  19.42, 159.00) 07/13/2012   15:10:07    (  19.93, 156.46)  271.95             54
 07/21/2012   15:59:33   (  22.63, 147.38) 07/21/2012   15:59:59    (  23.25, 144.57)  296.32             26
 07/29/2012   15:10:42   (  20.23, 159.18) 07/29/2012   15:10:01    (  20.75, 156.60)  274.90             41