Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 8 31.  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)
 09/02/2013   15:09:57   (  22.58, 159.83) 09/02/2013   15:11:36    (  23.18, 157.20)  277.56             99
 09/05/2013   03:31:42   (  22.65, 147.54) 09/05/2013   03:28:13    (  23.83, 145.41)  254.36            209
 09/10/2013   15:59:09   (  22.61, 147.52) 09/10/2013   16:02:27    (  23.29, 144.53)  316.23            198
 09/13/2013   02:42:01   (  22.64, 159.95) 09/13/2013   02:38:32    (  27.07, 157.24)  563.41            209
 09/18/2013   15:09:25   (  22.60, 159.95) 09/18/2013   15:11:50    (  23.24, 157.19)  291.16            145
 09/21/2013   03:31:09   (  22.67, 147.66) 09/21/2013   03:28:02    (  22.27, 145.78)  198.02            187
 09/26/2013   15:58:30   (  22.61, 147.67) 09/26/2013   16:01:59    (  25.74, 145.14)  432.40            209