Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 9 18.  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)
 09/23/2012   15:58:55   (  22.62, 147.50) 09/23/2012   15:59:38    (  23.27, 144.62)  303.94             43
 10/01/2012   15:09:57   (  20.67, 159.41) 10/01/2012   15:09:24    (  21.21, 156.80)  277.63             33
 10/09/2012   15:58:47   (  22.60, 147.51) 10/09/2012   15:59:31    (  23.25, 144.63)  304.50             44