Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 5 24.  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)
 05/26/2012   15:10:24   (  21.48, 159.57) 05/26/2012   15:10:04    (  22.01, 156.91)  281.13             20
 06/03/2012   15:59:15   (  22.58, 147.52) 06/03/2012   16:00:20    (  23.23, 144.55)  313.45             65
 06/11/2012   15:09:25   (  22.64, 159.97) 06/11/2012   15:09:25    (  23.34, 157.28)  286.60              0
 06/19/2012   15:58:25   (  22.61, 147.71) 06/19/2012   16:00:03    (  23.32, 144.61)  327.05             98