Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 1 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)
 01/13/2013   15:59:40   (  22.52, 147.35) 01/13/2013   15:59:37    (  23.07, 144.63)  285.53              3
 01/21/2013   15:11:14   (  18.30, 158.77) 01/21/2013   15:10:01    (  18.79, 156.28)  268.19             73
 01/29/2013   15:59:13   (  22.60, 147.49) 01/29/2013   15:59:26    (  23.24, 144.71)  292.82             13