Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 3 2.  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   15:59:39   (  22.61, 147.45) 03/02/2013   16:00:29    (  23.26, 144.52)  308.88             50
 03/10/2013   15:10:38   (  21.41, 159.52) 03/10/2013   15:10:17    (  21.94, 156.84)  282.64             21
 03/18/2013   15:59:46   (  22.61, 147.45) 03/18/2013   16:00:48    (  23.26, 144.47)  314.29             62
 03/26/2013   15:10:22   (  22.36, 159.77) 03/26/2013   15:10:17    (  22.91, 157.04)  286.91              5