Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 6 28.  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)
 07/05/2012   15:59:34   (  22.63, 147.41) 07/05/2012   15:59:57    (  23.27, 144.61)  295.46             23
 07/13/2012   15:10:37   (  21.04, 159.37) 07/13/2012   15:10:10    (  21.54, 156.73)  278.63             27
 07/21/2012   15:59:39   (  22.59, 147.35) 07/21/2012   16:01:15    (  23.27, 144.26)  325.95             96