Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 3 21.  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)
 03/26/2013   15:10:45   (  21.68, 159.57) 03/26/2013   15:10:29    (  22.22, 156.88)  284.36             16
 04/03/2013   15:59:56   (  22.59, 147.44) 04/03/2013   16:01:03    (  23.28, 144.44)  317.21             67
 04/11/2013   15:10:24   (  22.67, 159.86) 04/11/2013   15:10:24    (  23.30, 157.12)  289.09              0