Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 6 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)
 06/14/2013   15:10:19   (  22.61, 159.81) 06/14/2013   15:10:42    (  23.21, 157.19)  276.50             23
 06/22/2013   15:59:34   (  22.62, 147.49) 06/22/2013   16:01:24    (  23.28, 144.55)  309.87            110
 06/30/2013   15:09:55   (  22.60, 159.89) 06/30/2013   15:10:39    (  23.21, 157.25)  279.26             44
 07/03/2013   03:31:39   (  22.66, 147.60) 07/03/2013   03:28:10    (  27.18, 144.60)  586.74            209