Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2014 1 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)
 01/19/2014   02:42:35   (  22.35, 159.92) 01/19/2014   02:39:11    (  22.07, 158.54)  145.33            204
 01/24/2014   15:10:23   (  22.59, 159.80) 01/24/2014   15:13:51    (  23.50, 157.31)  274.61            208
 01/27/2014   03:30:54   (  17.79, 148.60) 01/27/2014   03:28:45    (  17.43, 147.00)  174.36            129
 02/04/2014   02:42:40   (  22.06, 159.98) 02/04/2014   02:39:21    (  21.81, 158.63)  141.43            199
 02/09/2014   15:10:25   (  22.58, 159.81) 02/09/2014   15:13:53    (  24.11, 157.49)  291.76            208
 02/12/2014   03:30:40   (  17.04, 148.80) 02/12/2014   03:28:44    (  16.68, 147.21)  173.92            116