Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2014 6 30.  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)
 06/30/2014   16:21:16   (  11.72, 140.34) 06/30/2014   16:18:15    (  11.76, 140.18)   17.60            181
 07/06/2014   03:28:41   (  10.06, 150.32) 07/06/2014   03:30:35    (   9.71, 148.79)  171.60            114
 07/08/2014   15:32:20   (  10.03, 152.31) 07/08/2014   15:28:51    (   7.41, 151.89)  295.11            209
 07/14/2014   02:39:16   (  10.10, 162.65) 07/14/2014   02:39:59    (   9.86, 161.47)  132.54             43
 07/16/2014   16:21:09   (  12.38, 140.45) 07/16/2014   16:18:18    (  12.42, 140.38)    8.46            171
 07/22/2014   03:28:41   (  10.09, 150.29) 07/22/2014   03:30:48    (   9.77, 148.83)  163.91            127
 07/24/2014   15:32:20   (  10.00, 152.29) 07/24/2014   15:28:50    (   8.22, 152.13)  198.48            210