Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 8 27.  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   15:09:56   (  22.63, 159.84) 09/02/2013   15:11:35    (  23.22, 157.21)  277.42             99
 09/05/2013   03:31:43   (  22.66, 147.53) 09/05/2013   03:28:14    (  23.84, 145.40)  254.13            209
 09/10/2013   15:59:09   (  22.62, 147.52) 09/10/2013   16:02:27    (  23.30, 144.53)  316.18            198
 09/13/2013   02:42:02   (  22.68, 159.94) 09/13/2013   02:38:32    (  27.04, 157.24)  556.04            210
 09/18/2013   15:09:26   (  22.59, 159.94) 09/18/2013   15:11:52    (  23.19, 157.17)  291.26            146
 09/21/2013   03:31:10   (  22.68, 147.65) 09/21/2013   03:28:04    (  22.31, 145.76)  198.15            186