Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2014 2 17.  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)
 02/20/2014   02:42:45   (  21.48, 160.08) 02/20/2014   02:39:35    (  21.23, 158.76)  139.21            190
 02/25/2014   15:10:41   (  22.62, 159.79) 02/25/2014   15:14:10    (  24.60, 157.60)  312.92            209
 02/28/2014   03:30:47   (  16.48, 148.89) 02/28/2014   03:29:00    (  16.17, 147.32)  171.25            107
 03/08/2014   02:42:16   (  20.28, 160.43) 03/08/2014   02:39:26    (  19.99, 159.11)  141.94            170
 03/13/2014   15:10:22   (  22.59, 159.89) 03/13/2014   15:13:50    (  26.33, 158.10)  453.19            208
 03/16/2014   03:29:53   (  14.61, 149.44) 03/16/2014   03:28:37    (  14.27, 147.82)  178.58             76