Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 7 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)
 07/24/2013   15:59:31   (  22.63, 147.48) 07/24/2013   16:01:27    (  23.30, 144.64)  299.99            116
 08/01/2013   15:09:54   (  22.59, 159.86) 08/01/2013   15:10:55    (  23.20, 157.27)  273.93             61
 08/04/2013   03:31:41   (  22.70, 147.56) 08/04/2013   03:28:11    (  26.01, 144.91)  455.54            210
 08/09/2013   15:59:06   (  22.62, 147.56) 08/09/2013   16:01:49    (  23.29, 144.58)  313.56            163
 08/17/2013   15:09:24   (  22.61, 159.97) 08/17/2013   15:11:16    (  23.22, 157.23)  289.09            112
 08/20/2013   03:31:08   (  22.69, 147.68) 08/20/2013   03:27:38    (  22.92, 145.66)  208.33            210