Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 12 8.  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)
 12/12/2012   15:59:26   (  22.58, 147.38) 12/12/2012   15:59:47    (  23.21, 144.58)  295.39             21
 12/20/2012   15:11:12   (  18.79, 158.82) 12/20/2012   15:10:08    (  19.31, 156.31)  270.35             64
 12/28/2012   15:59:43   (  22.58, 147.32) 12/28/2012   15:59:46    (  23.21, 144.59)  288.18              3