Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 9 30.  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)
 10/04/2013   15:10:07   (  22.58, 159.77) 10/04/2013   15:12:05    (  23.16, 157.18)  273.35            118
 10/07/2013   03:31:56   (  22.67, 147.46) 10/07/2013   03:28:27    (  22.95, 145.62)  191.77            209
 10/12/2013   15:59:28   (  22.63, 147.44) 10/12/2013   16:02:53    (  23.28, 144.53)  306.92            205
 10/15/2013   02:42:24   (  22.70, 159.84) 10/15/2013   02:38:54    (  26.89, 157.29)  531.80            210
 10/20/2013   15:09:54   (  22.58, 159.82) 10/20/2013   15:12:14    (  23.19, 157.20)  276.89            140
 10/23/2013   03:31:27   (  21.85, 147.71) 10/23/2013   03:28:11    (  21.50, 145.99)  181.90            196