Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2014 4 1.  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)
 04/09/2014   02:41:27   (  16.67, 161.23) 04/09/2014   02:39:37    (  16.37, 159.87)  148.59            110
 04/17/2014   03:28:49   (  10.13, 150.36) 04/17/2014   03:28:47    (   9.80, 148.69)  186.73              2
 04/25/2014   02:39:31   (  12.28, 162.35) 04/25/2014   02:38:54    (  11.96, 160.87)  165.73             37
 04/27/2014   16:21:16   (  10.05, 140.16) 04/27/2014   16:17:47    (   8.48, 139.34)  196.01            209