Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 12 4.  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)
 12/07/2013   15:10:41   (  22.60, 159.66) 12/07/2013   15:12:55    (  23.16, 157.24)  256.06            134
 12/10/2013   03:32:23   (  22.23, 147.45) 12/10/2013   03:29:01    (  21.89, 145.93)  161.24            202
 12/15/2013   16:00:01   (  22.60, 147.34) 12/15/2013   16:03:29    (  24.58, 144.89)  332.39            208
 12/18/2013   02:42:55   (  22.66, 159.75) 12/18/2013   02:39:26    (  25.24, 157.74)  351.93            209
 12/23/2013   15:10:23   (  22.59, 159.75) 12/23/2013   15:13:21    (  23.17, 157.21)  268.91            178
 12/26/2013   03:31:12   (  19.36, 148.23) 12/26/2013   03:28:37    (  19.05, 146.59)  175.11            155
 12/31/2013   15:59:30   (  22.62, 147.49) 12/31/2013   16:02:59    (  27.73, 145.69)  595.60            209