Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 2 24.  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)
 03/02/2013   15:59:46   (  22.59, 147.41) 03/02/2013   16:00:28    (  23.21, 144.51)  305.57             42
 03/10/2013   15:11:31   (  19.63, 159.00) 03/10/2013   15:10:41    (  20.12, 156.41)  275.52             50
 03/18/2013   16:00:41   (  22.55, 147.20) 03/18/2013   16:00:39    (  23.06, 144.45)  287.23              2