Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 8 17.  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)
 08/18/2015   02:41:13   (  18.14, 160.92) 08/18/2015   02:38:59    (  17.85, 159.64)  139.60            134
 08/23/2015   15:10:00   (  22.62, 159.83) 08/23/2015   15:13:29    (  27.62, 158.37)  575.22            209
 08/26/2015   03:29:20   (  13.69, 149.57) 08/26/2015   03:28:19    (  13.39, 148.01)  171.95             61
 09/03/2015   02:41:01   (  18.31, 160.92) 09/03/2015   02:38:44    (  18.03, 159.61)  141.16            137
 09/08/2015   15:09:43   (  22.58, 159.87) 09/08/2015   15:13:11    (  27.64, 158.40)  582.04            208
 09/11/2015   03:28:57   (  13.58, 149.66) 09/11/2015   03:27:58    (  13.27, 148.06)  175.93             59