Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 12 4.  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)
 12/04/2012   15:10:26   (  20.20, 159.23) 12/04/2012   15:09:45    (  20.71, 156.64)  276.06             41
 12/12/2012   15:59:22   (  22.59, 147.40) 12/12/2012   15:59:47    (  23.22, 144.58)  297.05             25
 12/20/2012   15:10:50   (  19.53, 159.03) 12/20/2012   15:09:58    (  20.00, 156.47)  273.42             52
 12/28/2012   15:59:22   (  22.58, 147.41) 12/28/2012   15:59:49    (  23.20, 144.58)  298.18             27