Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 8 21.  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)
 08/22/2012   15:59:14   (  22.58, 147.43) 08/22/2012   15:59:52    (  23.25, 144.58)  302.01             38
 08/30/2012   15:10:23   (  20.43, 159.28) 08/30/2012   15:09:46    (  20.93, 156.68)  276.33             37
 09/07/2012   15:59:13   (  22.59, 147.42) 09/07/2012   15:59:53    (  23.23, 144.55)  302.71             40
 09/15/2012   15:10:13   (  20.77, 159.35) 09/15/2012   15:09:42    (  21.31, 156.74)  278.05             31