Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 1 11.  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   (  22.43, 147.32) 01/13/2013   15:59:38    (  22.98, 144.61)  285.42              4
 01/21/2013   15:11:32   (  17.72, 158.61) 01/21/2013   15:10:10    (  18.22, 156.15)  265.93             82
 01/29/2013   15:59:45   (  22.05, 147.27) 01/29/2013   15:59:35    (  22.55, 144.56)  284.43             10
 02/06/2013   15:11:39   (  17.13, 158.50) 02/06/2013   15:10:07    (  17.64, 156.08)  263.68             92