Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 1 22.  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)
 01/29/2013   15:59:18   (  22.64, 147.48) 01/29/2013   15:59:51    (  23.25, 144.62)  300.98             33
 02/06/2013   15:09:52   (  21.56, 159.67) 02/06/2013   15:09:34    (  22.11, 156.99)  283.17             18
 02/14/2013   15:58:40   (  22.59, 147.65) 02/14/2013   16:00:07    (  23.28, 144.57)  324.77             87