Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2014 3 9.  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)
 03/13/2014   15:10:27   (  22.62, 159.88) 03/13/2014   15:13:56    (  25.89, 158.00)  410.37            209
 03/16/2014   03:30:20   (  15.45, 149.20) 03/16/2014   03:28:50    (  15.14, 147.63)  172.34             90
 03/24/2014   02:42:05   (  19.90, 160.57) 03/24/2014   02:39:22    (  19.61, 159.29)  138.84            163
 03/29/2014   15:10:19   (  22.63, 159.95) 03/29/2014   15:13:48    (  26.50, 158.24)  463.69            209
 04/01/2014   03:29:48   (  14.53, 149.51) 04/01/2014   03:28:34    (  14.18, 147.94)  173.22             74