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   15:59:45   (  22.36, 147.30) 01/13/2013   15:59:40    (  22.91, 144.59)  285.20              5
 01/21/2013   15:11:38   (  17.62, 158.56) 01/21/2013   15:10:14    (  18.09, 156.11)  265.15             84
 01/29/2013   15:59:57   (  21.85, 147.18) 01/29/2013   15:59:43    (  22.39, 144.49)  283.29             14
 02/06/2013   15:11:58   (  16.85, 158.37) 02/06/2013   15:10:22    (  17.34, 155.96)  262.30             96