Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 8 17.  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)
 08/22/2012   15:59:14   (  22.62, 147.44) 08/22/2012   15:59:52    (  23.24, 144.58)  301.35             38
 08/30/2012   15:10:25   (  20.29, 159.24) 08/30/2012   15:09:45    (  20.82, 156.66)  275.20             40
 09/07/2012   15:59:09   (  22.63, 147.43) 09/07/2012   15:59:44    (  23.24, 144.59)  299.69             35