Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 10 9.  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)
 10/09/2012   15:59:06   (  22.64, 147.45) 10/09/2012   15:59:25    (  23.28, 144.67)  293.83             19
 10/17/2012   15:10:54   (  18.52, 158.82) 10/17/2012   15:09:45    (  19.02, 156.33)  268.03             69
 10/25/2012   15:59:22   (  22.24, 147.30) 10/25/2012   15:59:15    (  22.78, 144.61)  283.64              7
 11/02/2012   15:11:24   (  16.94, 158.43) 11/02/2012   15:09:49    (  17.41, 156.03)  260.77             95