Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 12 15.  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   15:11:09   (  18.88, 158.85) 12/20/2012   15:10:06    (  19.37, 156.33)  270.56             63
 12/28/2012   15:59:36   (  22.62, 147.36) 12/28/2012   15:59:43    (  23.26, 144.62)  289.97              7
 01/05/2013   15:11:11   (  18.72, 158.83) 01/05/2013   15:10:05    (  19.24, 156.32)  270.35             66