Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 12 7.  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)
 12/08/2015   02:42:05   (  22.08, 160.00) 12/08/2015   02:38:45    (  21.78, 158.64)  143.48            200
 12/13/2015   15:09:50   (  22.63, 159.83) 12/13/2015   15:13:19    (  23.70, 157.31)  284.32            209
 12/16/2015   03:30:18   (  17.72, 148.66) 12/16/2015   03:28:11    (  17.35, 147.02)  177.95            127
 12/24/2015   02:41:59   (  22.15, 160.02) 12/24/2015   02:38:38    (  21.86, 158.61)  148.51            201
 12/29/2015   15:09:38   (  22.59, 159.88) 12/29/2015   15:13:06    (  23.90, 157.35)  296.72            208
 01/01/2016   03:29:57   (  17.38, 148.80) 01/01/2016   03:27:55    (  17.01, 147.10)  185.77            122