Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 12 12.  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)
 12/20/2012   15:11:02   (  19.04, 158.90) 12/20/2012   15:10:02    (  19.52, 156.37)  271.17             60
 12/28/2012   15:59:27   (  22.59, 147.39) 12/28/2012   15:59:42    (  23.23, 144.62)  293.08             15
 01/05/2013   15:10:38   (  19.62, 159.11) 01/05/2013   15:09:47    (  20.11, 156.54)  273.75             51