Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 12 14.  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)
 12/20/2012   15:11:16   (  18.66, 158.79) 12/20/2012   15:10:10    (  19.18, 156.28)  269.93             66
 12/28/2012   15:59:58   (  22.34, 147.22) 12/28/2012   15:59:53    (  22.88, 144.51)  285.17              5
 01/05/2013   15:12:25   (  16.75, 158.21) 01/05/2013   15:10:47    (  17.24, 155.80)  261.25             98