Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2014 2 23.  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)
 02/25/2014   15:10:39   (  22.59, 159.79) 02/25/2014   15:14:07    (  24.73, 157.64)  323.14            208
 02/28/2014   03:30:43   (  16.40, 148.92) 02/28/2014   03:28:58    (  16.04, 147.35)  172.41            105
 03/08/2014   02:42:01   (  19.82, 160.57) 03/08/2014   02:39:19    (  19.56, 159.21)  145.03            162
 03/13/2014   15:10:10   (  22.64, 159.95) 03/13/2014   15:13:39    (  27.00, 158.28)  513.82            209
 03/16/2014   03:29:27   (  13.83, 149.67) 03/16/2014   03:28:24    (  13.47, 148.01)  184.27             63