Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2013 12 24.  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)
 12/26/2013   03:31:38   (  20.16, 147.99) 12/26/2013   03:28:50    (  19.82, 146.41)  169.64            168
 12/31/2013   15:59:54   (  22.63, 147.39) 12/31/2013   16:03:23    (  26.24, 145.31)  453.86            209
 01/03/2014   02:42:50   (  22.65, 159.79) 01/03/2014   02:39:21    (  23.66, 158.13)  203.56            209
 01/08/2014   15:10:21   (  22.64, 159.79) 01/08/2014   15:13:41    (  23.19, 157.21)  271.81            200
 01/11/2014   03:30:55   (  18.31, 148.49) 01/11/2014   03:28:38    (  17.94, 146.86)  177.11            137
 01/19/2014   02:42:04   (  21.36, 160.22) 01/19/2014   02:38:56    (  21.05, 158.79)  152.36            188