Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 1 27.  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   (  22.64, 147.46) 01/29/2013   15:59:51    (  23.29, 144.63)  298.89             28
 02/06/2013   15:10:21   (  20.80, 159.42) 02/06/2013   15:09:50    (  21.29, 156.78)  279.42             31
 02/14/2013   15:59:12   (  22.58, 147.52) 02/14/2013   16:00:11    (  23.22, 144.55)  312.54             59
 02/22/2013   15:09:42   (  22.50, 159.89) 02/22/2013   15:09:39    (  23.01, 157.15)  286.70              3