Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2012 8 10.  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)
 08/14/2012   15:10:20   (  20.57, 159.33) 08/14/2012   15:09:45    (  21.10, 156.73)  276.86             35
 08/22/2012   15:59:40   (  22.59, 147.32) 08/22/2012   15:59:50    (  23.23, 144.58)  290.01             10
 08/30/2012   15:13:11   (  15.24, 157.75) 08/30/2012   15:11:08    (  15.69, 155.44)  252.22            123
 09/05/2012   02:24:01   (  15.78, 165.47) 09/05/2012   02:25:55    (  15.01, 161.94)  388.32            114