Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 3 20.  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)
 03/26/2013   15:10:43   (  21.74, 159.59) 03/26/2013   15:10:28    (  22.29, 156.89)  284.68             15
 04/03/2013   15:59:51   (  22.60, 147.47) 04/03/2013   16:01:03    (  23.28, 144.44)  319.31             72
 04/11/2013   15:10:14   (  22.59, 159.89) 04/11/2013   15:10:25    (  23.24, 157.10)  294.17             11