Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 8 29.  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)
 08/30/2012   15:10:23   (  20.37, 159.27) 08/30/2012   15:09:45    (  20.88, 156.68)  276.07             38
 09/07/2012   15:59:07   (  22.64, 147.45) 09/07/2012   15:59:46    (  23.29, 144.59)  302.19             39
 09/15/2012   15:10:03   (  20.83, 159.41) 09/15/2012   15:09:32    (  21.37, 156.80)  277.98             31
 09/23/2012   15:58:48   (  22.59, 147.51) 09/23/2012   15:59:42    (  23.23, 144.58)  308.60             54