Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 1 10.  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)
 01/13/2013   15:59:42   (  22.45, 147.33) 01/13/2013   15:59:38    (  23.01, 144.61)  285.30              4
 01/21/2013   15:11:29   (  17.87, 158.64) 01/21/2013   15:10:09    (  18.36, 156.17)  266.26             80
 01/29/2013   15:59:39   (  22.40, 147.35) 01/29/2013   15:59:34    (  22.95, 144.63)  285.47              5
 02/06/2013   15:11:25   (  17.87, 158.68) 02/06/2013   15:10:05    (  18.38, 156.21)  266.81             80