Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2014 2 22.  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   15:10:40   (  22.58, 159.79) 02/25/2014   15:14:08    (  24.72, 157.64)  323.33            208
 02/28/2014   03:30:42   (  16.35, 148.93) 02/28/2014   03:28:57    (  15.99, 147.36)  172.44            105
 03/08/2014   02:42:00   (  19.81, 160.58) 03/08/2014   02:39:18    (  19.52, 159.22)  145.22            162
 03/13/2014   15:10:09   (  22.59, 159.95) 03/13/2014   15:13:37    (  27.09, 158.30)  527.00            208
 03/16/2014   03:29:23   (  13.73, 149.70) 03/16/2014   03:28:22    (  13.39, 148.03)  184.97             61