Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2014 12 8.  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)
 12/13/2014   03:28:33   (  10.06, 150.34) 12/13/2014   03:31:42    (   9.71, 148.78)  175.42            189
 12/15/2014   15:32:13   (  10.05, 152.34) 12/15/2014   15:29:09    (  10.05, 152.43)    9.69            184
 12/21/2014   02:39:08   (  10.08, 162.70) 12/21/2014   02:40:49    (   9.81, 161.44)  141.30            101
 12/23/2014   16:20:07   (  15.53, 141.21) 12/23/2014   16:18:09    (  15.56, 141.02)   20.59            118
 12/29/2014   03:28:28   (  10.08, 150.38) 12/29/2014   03:31:20    (   9.71, 148.78)  179.57            172
 12/31/2014   15:32:04   (  10.04, 152.40) 12/31/2014   15:28:47    (  10.01, 152.43)    4.41            197