Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 3 11.  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)
 03/18/2013   15:59:53   (  22.61, 147.43) 03/18/2013   16:00:48    (  23.26, 144.47)  311.35             55
 03/26/2013   15:10:48   (  21.61, 159.54) 03/26/2013   15:10:30    (  22.12, 156.85)  283.78             18
 04/03/2013   15:59:59   (  22.63, 147.44) 04/03/2013   16:01:02    (  23.32, 144.45)  315.61             63