Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 4 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)
 04/20/2015   03:30:06   (  12.51, 149.77) 04/20/2015   03:29:25    (  12.19, 148.36)  157.16             41
 04/28/2015   02:42:08   (  17.87, 160.92) 04/28/2015   02:39:58    (  17.66, 159.80)  121.59            130
 05/03/2015   15:10:58   (  22.63, 159.78) 05/03/2015   15:14:27    (  27.58, 158.48)  565.49            209
 05/06/2015   03:30:18   (  13.79, 149.50) 05/06/2015   03:29:16    (  13.51, 148.12)  152.62             62