Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 1 28.  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)
 01/29/2013   15:59:23   (  22.63, 147.46) 01/29/2013   15:59:51    (  23.27, 144.63)  298.71             28
 02/06/2013   15:10:23   (  20.67, 159.39) 02/06/2013   15:09:50    (  21.19, 156.77)  278.87             33
 02/14/2013   15:59:12   (  22.63, 147.53) 02/14/2013   16:00:07    (  23.27, 144.58)  310.37             55
 02/22/2013   15:09:50   (  22.01, 159.78) 02/22/2013   15:09:39    (  22.54, 157.07)  284.60             11