Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2014 6 20.  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)
 06/22/2014   15:32:20   (  10.00, 152.32) 06/22/2014   15:28:50    (   6.62, 151.67)  383.36            210
 06/28/2014   02:39:08   (  10.10, 162.70) 06/28/2014   02:39:44    (   9.83, 161.43)  142.94             36
 06/30/2014   16:21:01   (  12.18, 140.47) 06/30/2014   16:18:07    (  12.24, 140.29)   20.40            174
 07/06/2014   03:28:23   (  10.09, 150.38) 07/06/2014   03:30:35    (   9.75, 148.78)  179.56            132
 07/08/2014   15:31:58   (  10.04, 152.40) 07/08/2014   15:28:29    (   8.73, 152.19)  147.43            209
 07/14/2014   02:38:44   (  10.11, 162.79) 07/14/2014   02:39:59    (   9.82, 161.47)  147.29             75
 07/16/2014   16:19:55   (  14.57, 141.08) 07/16/2014   16:17:41    (  14.60, 140.88)   21.76            134