Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2014 9 1.  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)
 09/02/2014   16:19:37   (  17.16, 141.54) 09/02/2014   16:18:06    (  17.18, 141.48)    6.01             91
 09/08/2014   03:28:31   (  10.11, 150.30) 09/08/2014   03:31:59    (   9.55, 148.84)  172.41            208
 09/10/2014   15:32:10   (  10.01, 152.31) 09/10/2014   15:29:37    (   9.99, 152.47)   18.39            153
 09/16/2014   02:39:04   (  10.12, 162.66) 09/16/2014   02:41:33    (   9.83, 161.44)  137.17            149
 09/18/2014   16:19:09   (  18.81, 141.91) 09/18/2014   16:18:05    (  18.85, 141.85)    6.74             64
 09/24/2014   03:28:25   (  10.11, 150.32) 09/24/2014   03:31:53    (   7.64, 149.25)  299.70            208
 09/26/2014   15:32:02   (  10.00, 152.33) 09/26/2014   15:30:03    (   9.99, 152.45)   12.88            119