Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 6 11.  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)
 06/11/2012   15:10:47   (  20.25, 159.25) 06/11/2012   15:10:07    (  20.75, 156.65)  275.98             40
 06/19/2012   15:59:26   (  22.63, 147.46) 06/19/2012   15:59:59    (  23.26, 144.62)  299.62             33
 06/27/2012   15:10:27   (  20.27, 159.31) 06/27/2012   15:09:47    (  20.76, 156.71)  275.45             40
 07/05/2012   15:58:57   (  22.63, 147.56) 07/05/2012   15:59:38    (  23.27, 144.68)  302.63             41