Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 3 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)
 03/10/2013   15:10:36   (  21.45, 159.53) 03/10/2013   15:10:16    (  21.97, 156.85)  282.87             20
 03/18/2013   15:59:43   (  22.63, 147.47) 03/18/2013   16:00:47    (  23.32, 144.48)  315.33             64
 03/26/2013   15:10:13   (  22.68, 159.87) 03/26/2013   15:10:13    (  23.23, 157.12)  288.08              0