Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2014 6 25.  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)
 06/28/2014   02:39:09   (  10.10, 162.70) 06/28/2014   02:39:44    (   9.79, 161.44)  142.83             35
 06/30/2014   16:21:01   (  12.19, 140.47) 06/30/2014   16:18:07    (  12.21, 140.28)   20.21            174
 07/06/2014   03:28:25   (  10.08, 150.38) 07/06/2014   03:30:35    (   9.73, 148.79)  178.85            130
 07/08/2014   15:32:01   (  10.01, 152.39) 07/08/2014   15:28:31    (   8.63, 152.17)  154.90            210
 07/14/2014   02:38:47   (  10.12, 162.77) 07/14/2014   02:39:58    (   9.81, 161.48)  145.72             71
 07/16/2014   16:20:04   (  14.29, 141.01) 07/16/2014   16:17:45    (  14.36, 140.83)   20.43            139
 07/22/2014   03:27:59   (  10.09, 150.47) 07/22/2014   03:30:48    (   9.75, 148.83)  182.97            169