Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2014 5 6.  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)
 05/11/2014   02:40:30   (  13.18, 161.95) 05/11/2014   02:39:38    (  12.90, 160.64)  145.77             52
 05/13/2014   16:22:10   (  10.01, 139.90) 05/13/2014   16:18:40    (   6.90, 138.98)  360.32            210
 05/19/2014   03:29:03   (  10.10, 150.27) 05/19/2014   03:29:42    (   9.78, 148.67)  178.07             39
 05/27/2014   02:39:47   (  11.20, 162.41) 05/27/2014   02:39:28    (  10.93, 161.10)  146.00             19
 05/29/2014   16:21:57   (  10.05, 139.94) 05/29/2014   16:18:28    (   9.03, 139.47)  125.28            209