Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2014 4 25.  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)
 04/27/2014   16:22:02   (  10.02, 139.96) 04/27/2014   16:18:32    (   5.85, 138.75)  483.02            210
 05/03/2014   03:29:02   (  10.10, 150.29) 05/03/2014   03:29:16    (   9.77, 148.68)  180.23             14
 05/11/2014   02:40:32   (  13.25, 161.93) 05/11/2014   02:39:39    (  12.95, 160.63)  145.58             53
 05/13/2014   16:22:11   (  10.02, 139.90) 05/13/2014   16:18:41    (   6.86, 138.97)  366.00            210
 05/19/2014   03:29:04   (  10.10, 150.26) 05/19/2014   03:29:42    (   9.78, 148.67)  177.61             38