Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 7 15.  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)
 07/21/2012   15:59:31   (  22.59, 147.40) 07/21/2012   15:59:55    (  23.18, 144.58)  295.52             24
 07/29/2012   15:10:44   (  19.86, 159.12) 07/29/2012   15:09:57    (  20.35, 156.56)  273.33             47
 08/06/2012   15:59:16   (  22.63, 147.43) 08/06/2012   15:59:49    (  23.28, 144.60)  299.08             33