Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 10 8.  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   15:59:05   (  22.63, 147.45) 10/09/2012   15:59:26    (  23.24, 144.65)  294.42             21
 10/17/2012   15:10:28   (  19.29, 159.05) 10/17/2012   15:09:32    (  19.80, 156.52)  271.74             56
 10/25/2012   15:58:36   (  22.63, 147.57) 10/25/2012   15:59:07    (  23.28, 144.73)  299.09             31
 11/02/2012   15:08:48   (  21.59, 159.84) 11/02/2012   15:08:30    (  22.09, 157.17)  281.33             18