Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2014 6 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)
 06/20/2014   03:28:43   (  10.07, 150.32) 06/20/2014   03:30:20    (   9.74, 148.74)  177.21             97
 06/22/2014   15:32:20   (  10.02, 152.33) 06/22/2014   15:28:50    (   6.63, 151.67)  383.13            210
 06/28/2014   02:39:08   (  10.08, 162.71) 06/28/2014   02:39:44    (   9.81, 161.43)  143.03             36
 06/30/2014   16:21:01   (  12.20, 140.47) 06/30/2014   16:18:07    (  12.26, 140.29)   20.56            174
 07/06/2014   03:28:23   (  10.07, 150.39) 07/06/2014   03:30:35    (   9.73, 148.78)  179.67            132
 07/08/2014   15:31:58   (  10.06, 152.40) 07/08/2014   15:28:29    (   8.75, 152.19)  147.10            209
 07/14/2014   02:38:43   (  10.09, 162.79) 07/14/2014   02:39:58    (   9.80, 161.48)  147.37             75