Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 6 1.  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)
 06/03/2012   15:59:38   (  22.62, 147.44) 06/03/2012   16:00:19    (  23.27, 144.56)  303.45             41
 06/11/2012   15:10:51   (  20.14, 159.21) 06/11/2012   15:10:09    (  20.66, 156.62)  275.35             42
 06/19/2012   15:59:32   (  22.59, 147.42) 06/19/2012   16:00:00    (  23.20, 144.60)  297.41             28
 06/27/2012   15:10:46   (  19.66, 159.11) 06/27/2012   15:09:56    (  20.14, 156.56)  272.66             50