Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 12 22.  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)
 12/23/2013   15:10:29   (  22.60, 159.73) 12/23/2013   15:13:21    (  23.13, 157.20)  265.92            172
 12/26/2013   03:31:38   (  20.15, 148.00) 12/26/2013   03:28:50    (  19.79, 146.42)  169.75            168
 12/31/2013   15:59:54   (  22.60, 147.39) 12/31/2013   16:03:22    (  26.31, 145.33)  462.24            208
 01/03/2014   02:42:50   (  22.70, 159.78) 01/03/2014   02:39:20    (  23.61, 158.15)  194.91            210
 01/08/2014   15:10:19   (  22.58, 159.79) 01/08/2014   15:13:40    (  23.16, 157.20)  272.59            201
 01/11/2014   03:30:50   (  18.16, 148.53) 01/11/2014   03:28:35    (  17.81, 146.89)  177.83            135