Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 3 23.  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   15:10:54   (  21.43, 159.49) 03/26/2013   15:10:33    (  21.96, 156.81)  283.06             21
 04/03/2013   16:00:14   (  22.59, 147.37) 04/03/2013   16:01:03    (  23.24, 144.43)  309.46             49
 04/11/2013   15:11:27   (  20.85, 159.29) 04/11/2013   15:10:57    (  21.37, 156.64)  281.55             30
 04/19/2013   16:00:31   (  22.61, 147.34) 04/19/2013   16:01:15    (  23.27, 144.42)  307.95             44