Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 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)
 09/02/2013   15:09:56   (  22.61, 159.84) 09/02/2013   15:11:35    (  23.21, 157.20)  277.40             99
 09/05/2013   03:31:43   (  22.68, 147.53) 09/05/2013   03:28:13    (  23.80, 145.41)  249.77            210
 09/10/2013   15:59:09   (  22.59, 147.52) 09/10/2013   16:02:27    (  23.28, 144.52)  316.26            198
 09/13/2013   02:42:01   (  22.65, 159.95) 09/13/2013   02:38:32    (  27.07, 157.24)  562.34            209
 09/18/2013   15:09:26   (  22.60, 159.95) 09/18/2013   15:11:52    (  23.21, 157.18)  291.24            146
 09/21/2013   03:31:09   (  22.67, 147.66) 09/21/2013   03:28:03    (  22.29, 145.77)  198.18            186
 09/26/2013   15:58:31   (  22.62, 147.67) 09/26/2013   16:02:00    (  25.81, 145.16)  437.06            209
 09/29/2013   02:41:21   (  22.66, 160.11) 09/29/2013   02:37:52    (  23.79, 158.07)  242.84            209