Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2014 9 13.  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)
 09/16/2014   02:39:00   (  10.08, 162.68) 09/16/2014   02:41:26    (   9.80, 161.47)  137.02            146
 09/18/2014   16:19:06   (  18.65, 141.90) 09/18/2014   16:17:59    (  18.65, 141.81)    9.03             67
 09/24/2014   03:28:14   (  10.10, 150.37) 09/24/2014   03:31:42    (   7.83, 149.23)  281.78            208
 09/26/2014   15:31:46   (  10.03, 152.40) 09/26/2014   15:29:44    (  10.04, 152.48)    8.25            122
 10/02/2014   02:38:26   (  10.11, 162.82) 10/02/2014   02:41:34    (   9.82, 161.46)  152.04            188
 10/04/2014   16:17:42   (  21.33, 142.68) 10/04/2014   16:17:20    (  21.38, 142.48)   21.33             22