Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 10 19.  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)
 10/20/2013   15:09:49   (  22.61, 159.86) 10/20/2013   15:12:14    (  23.22, 157.22)  278.78            145
 10/23/2013   03:31:34   (  22.65, 147.56) 10/23/2013   03:28:25    (  22.29, 145.80)  184.73            189
 10/28/2013   15:58:56   (  22.62, 147.58) 10/28/2013   16:02:25    (  25.39, 145.10)  398.35            209
 10/31/2013   02:41:46   (  22.65, 160.01) 10/31/2013   02:38:17    (  24.29, 158.00)  274.72            209
 11/05/2013   15:09:04   (  22.59, 160.04) 11/05/2013   15:12:19    (  23.24, 157.26)  294.17            195
 11/08/2013   03:29:32   (  18.29, 148.78) 11/08/2013   03:27:15    (  17.92, 146.91)  201.53            137