Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2014 12 16.  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)
 12/21/2014   02:39:05   (  10.12, 162.71) 12/21/2014   02:40:49    (   9.83, 161.44)  142.77            104
 12/23/2014   16:19:56   (  15.83, 141.30) 12/23/2014   16:18:03    (  15.87, 141.10)   22.45            113
 12/29/2014   03:28:16   (  10.09, 150.43) 12/29/2014   03:31:19    (   9.72, 148.79)  184.37            183
 12/31/2014   15:31:27   (  11.32, 152.75) 12/31/2014   15:28:23    (  11.32, 152.74)    1.09            184
 01/06/2015   02:38:24   (  10.10, 162.90) 01/06/2015   02:40:21    (   9.82, 161.47)  160.18            117
 01/08/2015   16:18:52   (  16.89, 141.76) 01/08/2015   16:17:16    (  16.99, 141.39)   40.45             96