Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 5 31.  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    (  23.29, 144.56)  303.61             41
 06/11/2012   15:10:48   (  20.30, 159.24) 06/11/2012   15:10:09    (  20.79, 156.65)  276.08             39
 06/19/2012   15:59:31   (  22.59, 147.43) 06/19/2012   16:00:06    (  23.21, 144.57)  300.35             35
 06/27/2012   15:10:31   (  20.46, 159.31) 06/27/2012   15:09:54    (  20.94, 156.70)  275.97             37