Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 8 9.  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    (  23.21, 144.57)  300.46            132
 08/17/2013   15:10:11   (  22.59, 159.78) 08/17/2013   15:11:17    (  23.15, 157.22)  269.65             66
 08/20/2013   03:32:00   (  22.64, 147.47) 08/20/2013   03:28:31    (  25.96, 144.88)  452.43            209
 08/25/2013   15:59:34   (  22.60, 147.43) 08/25/2013   16:02:11    (  23.23, 144.53)  304.82            157
 09/02/2013   15:10:00   (  22.62, 159.81) 09/02/2013   15:11:35    (  23.20, 157.20)  275.76             95
 09/05/2013   03:31:48   (  22.68, 147.50) 09/05/2013   03:28:18    (  24.12, 145.33)  273.00            210