Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 8 6.  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)
 08/09/2013   15:59:39   (  22.58, 147.42) 08/09/2013   16:01:51    (  23.22, 144.57)  300.56            132
 08/17/2013   15:10:10   (  22.62, 159.79) 08/17/2013   15:11:17    (  23.18, 157.22)  269.95             67
 08/20/2013   03:32:00   (  22.68, 147.47) 08/20/2013   03:28:30    (  25.86, 144.91)  438.48            210
 08/25/2013   15:59:32   (  22.59, 147.43) 08/25/2013   16:02:11    (  23.23, 144.53)  305.86            159