Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2014 4 16.  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)
 04/17/2014   03:29:18   (  11.00, 150.11) 04/17/2014   03:29:02    (  10.68, 148.49)  180.63             16
 04/25/2014   02:40:35   (  14.11, 161.82) 04/25/2014   02:39:27    (  13.82, 160.43)  152.53             68
 04/27/2014   16:21:55   (  10.05, 139.99) 04/27/2014   16:18:26    (   6.22, 138.83)  444.95            209
 05/03/2014   03:28:39   (  10.08, 150.39) 05/03/2014   03:29:17    (   9.73, 148.68)  191.16             38
 05/11/2014   02:38:53   (  10.25, 162.79) 05/11/2014   02:38:49    (   9.95, 161.31)  165.68              4
 05/13/2014   16:21:11   (  10.22, 140.18) 05/13/2014   16:17:45    (  10.29, 139.74)   48.85            206