Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 6 10.  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   (  20.26, 159.25) 06/11/2012   15:10:07    (  20.76, 156.65)  275.85             40
 06/19/2012   15:59:26   (  22.61, 147.46) 06/19/2012   16:00:00    (  23.24, 144.61)  299.99             34
 06/27/2012   15:10:23   (  20.44, 159.35) 06/27/2012   15:09:46    (  20.92, 156.75)  276.07             37
 07/05/2012   15:58:55   (  22.60, 147.56) 07/05/2012   15:59:42    (  23.24, 144.66)  305.10             47