Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 7 2.  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)
 07/05/2012   15:59:32   (  22.63, 147.42) 07/05/2012   15:59:51    (  23.27, 144.63)  293.68             19
 07/13/2012   15:11:03   (  19.36, 158.99) 07/13/2012   15:10:08    (  19.88, 156.45)  271.54             55
 07/21/2012   15:59:36   (  22.59, 147.36) 07/21/2012   16:00:00    (  23.20, 144.56)  295.30             24
 07/29/2012   15:10:51   (  19.95, 159.10) 07/29/2012   15:10:06    (  20.47, 156.53)  273.71             45