Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 10 10.  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)
 10/12/2013   15:59:27   (  22.62, 147.45) 10/12/2013   16:02:53    (  23.30, 144.54)  307.44            206
 10/15/2013   02:42:22   (  22.70, 159.85) 10/15/2013   02:38:52    (  26.75, 157.33)  517.90            210
 10/20/2013   15:09:49   (  22.60, 159.85) 10/20/2013   15:12:14    (  23.19, 157.21)  278.69            145
 10/23/2013   03:31:15   (  21.48, 147.83) 10/23/2013   03:28:05    (  21.14, 146.09)  184.35            190
 10/28/2013   15:58:59   (  22.61, 147.56) 10/28/2013   16:02:28    (  25.20, 145.05)  385.05            209
 10/31/2013   02:41:51   (  22.70, 159.97) 10/31/2013   02:38:21    (  24.54, 157.93)  291.92            210
 11/05/2013   15:09:13   (  22.60, 160.00) 11/05/2013   15:12:21    (  23.19, 157.24)  290.87            188