Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 8 29.  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   (  22.60, 159.83) 09/02/2013   15:11:35    (  23.20, 157.20)  277.51             99
 09/05/2013   03:31:43   (  22.69, 147.53) 09/05/2013   03:28:13    (  23.81, 145.41)  249.72            210
 09/10/2013   15:59:09   (  22.59, 147.52) 09/10/2013   16:02:27    (  23.26, 144.52)  316.10            198
 09/13/2013   02:42:01   (  22.64, 159.95) 09/13/2013   02:38:32    (  27.10, 157.23)  566.29            209
 09/18/2013   15:09:27   (  22.58, 159.94) 09/18/2013   15:11:51    (  23.22, 157.19)  290.72            144
 09/21/2013   03:31:11   (  22.67, 147.65) 09/21/2013   03:28:03    (  22.28, 145.78)  197.40            188