Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2014 12 23.  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)
 12/23/2014   16:20:25   (  15.02, 141.06) 12/23/2014   16:18:18    (  15.04, 140.90)   16.98            127
 12/29/2014   03:28:40   (  10.09, 150.33) 12/29/2014   03:31:19    (   9.74, 148.78)  173.40            159
 12/31/2014   15:32:15   (  10.05, 152.36) 12/31/2014   15:28:46    (   9.94, 152.43)   14.75            209
 01/06/2015   02:38:55   (  10.11, 162.77) 01/06/2015   02:40:20    (   9.81, 161.47)  145.91             85
 01/08/2015   16:19:55   (  14.98, 141.20) 01/08/2015   16:17:48    (  15.05, 140.94)   28.71            127
 01/14/2015   03:27:44   (  10.09, 150.58) 01/14/2015   03:30:47    (   9.72, 148.84)  196.01            183
 01/16/2015   15:30:35   (  11.95, 153.08) 01/16/2015   15:27:37    (  12.00, 152.95)   15.26            178