Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 6 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)
 06/06/2013   15:59:53   (  22.63, 147.43) 06/06/2013   16:01:26    (  23.31, 144.51)  309.12             93
 06/14/2013   15:10:19   (  22.62, 159.82) 06/14/2013   15:10:43    (  23.19, 157.19)  276.65             24
 06/22/2013   15:59:33   (  22.63, 147.50) 06/22/2013   16:01:25    (  23.27, 144.55)  310.60            112