Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 10 4.  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)
 10/09/2012   15:59:09   (  22.62, 147.43) 10/09/2012   15:59:25    (  23.27, 144.66)  292.78             16
 10/17/2012   15:11:20   (  17.70, 158.58) 10/17/2012   15:09:58    (  18.21, 156.14)  264.83             82
 10/25/2012   16:00:19   (  20.52, 146.78) 10/25/2012   15:59:43    (  21.06, 144.18)  276.83             36
 10/31/2012   03:10:22   (  10.08, 154.73) 10/31/2012   03:13:51    (   7.64, 151.10)  481.72            209