Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 5 23.  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   (  21.49, 159.57) 05/26/2012   15:10:04    (  22.00, 156.91)  280.93             20
 06/03/2012   15:59:15   (  22.62, 147.53) 06/03/2012   16:00:17    (  23.25, 144.56)  311.92             62
 06/11/2012   15:09:31   (  22.36, 159.90) 06/11/2012   15:09:26    (  22.85, 157.19)  284.00              5
 06/19/2012   15:58:26   (  22.62, 147.70) 06/19/2012   15:59:48    (  23.31, 144.67)  320.11             82