Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 5 22.  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)
 05/26/2012   15:10:24   (  21.46, 159.56) 05/26/2012   15:10:04    (  21.97, 156.90)  281.09             20
 06/03/2012   15:59:15   (  22.59, 147.52) 06/03/2012   16:00:16    (  23.27, 144.57)  312.07             61
 06/11/2012   15:09:32   (  22.33, 159.89) 06/11/2012   15:09:26    (  22.87, 157.19)  283.99              6