Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 4 5.  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)
 04/11/2013   15:11:22   (  21.01, 159.34) 04/11/2013   15:10:54    (  21.53, 156.68)  281.81             28
 04/19/2013   16:00:24   (  22.63, 147.37) 04/19/2013   16:01:14    (  23.31, 144.43)  310.49             50
 04/27/2013   15:11:12   (  21.62, 159.53) 04/27/2013   15:10:55    (  22.13, 156.82)  285.16             17