Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 6 12.  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)
 06/19/2012   15:59:27   (  22.59, 147.45) 06/19/2012   16:00:00    (  23.20, 144.60)  299.63             33
 06/27/2012   15:10:27   (  20.21, 159.29) 06/27/2012   15:09:46    (  20.69, 156.70)  275.15             41
 07/05/2012   15:58:56   (  22.59, 147.55) 07/05/2012   15:59:35    (  23.20, 144.68)  301.73             39