Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 9 3.  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)
 09/07/2012   15:59:07   (  22.62, 147.45) 09/07/2012   15:59:47    (  23.25, 144.58)  302.37             40
 09/15/2012   15:09:56   (  21.05, 159.48) 09/15/2012   15:09:29    (  21.54, 156.84)  278.55             27
 09/23/2012   15:58:42   (  22.60, 147.54) 09/23/2012   15:59:44    (  23.25, 144.58)  311.53             62