Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2014 9 21.  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)
 09/24/2014   03:28:31   (  10.11, 150.30) 09/24/2014   03:31:59    (   8.92, 148.98)  195.31            208
 09/26/2014   15:32:11   (  10.01, 152.30) 09/26/2014   15:29:44    (   9.99, 152.47)   19.32            147
 10/02/2014   02:39:06   (  10.08, 162.66) 10/02/2014   02:41:32    (   9.79, 161.48)  133.07            146
 10/04/2014   16:19:22   (  18.16, 141.75) 10/04/2014   16:18:12    (  18.15, 141.70)    4.50             70
 10/10/2014   03:28:28   (  10.08, 150.31) 10/10/2014   03:31:57    (   8.53, 149.09)  218.27            209
 10/12/2014   15:32:05   (  10.03, 152.32) 10/12/2014   15:29:48    (  10.01, 152.50)   18.84            137
 10/18/2014   02:38:52   (  10.11, 162.71) 10/18/2014   02:41:35    (   9.84, 161.49)  136.61            163