Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 12 31.  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)
 01/05/2013   15:12:07   (  16.92, 158.31) 01/05/2013   15:10:32    (  17.43, 155.91)  261.28             95
 01/13/2013   16:00:53   (  20.34, 146.67) 01/13/2013   16:00:14    (  20.84, 144.07)  275.86             39
 01/19/2013   03:10:50   (  10.12, 154.67) 01/19/2013   03:14:18    (   7.25, 151.11)  504.33            208
 01/21/2013   15:13:20   (  14.45, 157.63) 01/21/2013   15:11:04    (  14.92, 155.37)  248.68            136
 01/27/2013   02:23:23   (  16.38, 165.58) 01/27/2013   02:25:07    (  13.18, 162.48)  488.13            104