Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2014 3 18.  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)
 03/24/2014   02:42:06   (  18.99, 160.71) 03/24/2014   02:39:38    (  18.74, 159.37)  143.95            148
 03/29/2014   15:10:43   (  22.61, 159.83) 03/29/2014   15:14:11    (  27.76, 158.39)  591.54            208
 04/01/2014   03:29:54   (  13.14, 149.68) 04/01/2014   03:29:03    (  12.80, 148.05)  181.09             51
 04/09/2014   02:41:01   (  15.82, 161.51) 04/09/2014   02:39:25    (  15.52, 160.06)  158.22             96