Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 8 16.  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   (  22.61, 147.43) 08/22/2012   15:59:51    (  23.26, 144.58)  301.27             37
 08/30/2012   15:10:27   (  20.18, 159.21) 08/30/2012   15:09:46    (  20.66, 156.63)  275.03             41
 09/07/2012   15:59:10   (  22.60, 147.42) 09/07/2012   15:59:41    (  23.23, 144.59)  298.30             31