Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 2 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)
 02/06/2013   15:10:36   (  20.34, 159.29) 02/06/2013   15:09:57    (  20.86, 156.68)  277.37             39
 02/14/2013   15:59:22   (  22.58, 147.48) 02/14/2013   16:00:12    (  23.23, 144.55)  308.58             50
 02/22/2013   15:09:56   (  22.10, 159.77) 02/22/2013   15:09:46    (  22.65, 157.06)  284.86             10
 03/02/2013   15:59:03   (  22.62, 147.59) 03/02/2013   16:00:28    (  23.34, 144.52)  323.94             85