Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 11 12.  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)
 11/13/2013   16:00:05   (  22.63, 147.30) 11/13/2013   16:03:04    (  23.26, 144.61)  283.96            179
 11/21/2013   15:10:45   (  22.58, 159.63) 11/21/2013   15:12:21    (  23.08, 157.29)  245.81             96
 11/24/2013   03:32:36   (  22.70, 147.30) 11/24/2013   03:29:06    (  24.54, 145.35)  284.93            210
 11/29/2013   16:00:10   (  22.61, 147.29) 11/29/2013   16:03:03    (  23.19, 144.67)  275.26            173
 12/07/2013   15:10:34   (  22.59, 159.68) 12/07/2013   15:12:16    (  23.11, 157.39)  242.60            102