Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 6 13.  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)
 06/19/2012   15:59:26   (  22.62, 147.46) 06/19/2012   15:59:58    (  23.24, 144.62)  299.28             32
 06/27/2012   15:10:30   (  20.03, 159.25) 06/27/2012   15:09:46    (  20.56, 156.68)  274.61             44
 07/05/2012   15:58:55   (  22.61, 147.56) 07/05/2012   15:59:29    (  23.21, 144.71)  299.56             34