Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 9 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)
 09/07/2012   15:59:07   (  22.63, 147.46) 09/07/2012   15:59:47    (  23.25, 144.58)  302.15             40
 09/15/2012   15:09:59   (  20.91, 159.44) 09/15/2012   15:09:30    (  21.43, 156.82)  278.15             29
 09/23/2012   15:58:43   (  22.63, 147.54) 09/23/2012   15:59:41    (  23.29, 144.60)  309.74             58