Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 9 12.  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)
 09/19/2015   02:41:24   (  19.57, 160.61) 09/19/2015   02:38:46    (  19.31, 159.35)  135.18            158
 09/24/2015   15:09:49   (  22.62, 159.84) 09/24/2015   15:13:18    (  25.96, 158.01)  415.18            209
 09/27/2015   03:29:38   (  15.44, 149.19) 09/27/2015   03:28:09    (  15.14, 147.68)  165.94             89
 10/05/2015   02:41:25   (  20.26, 160.47) 10/05/2015   02:38:36    (  20.02, 159.22)  133.37            169