Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 12 10.  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)
 12/13/2015   15:09:50   (  22.63, 159.83) 12/13/2015   15:13:19    (  23.69, 157.31)  284.15            209
 12/16/2015   03:30:18   (  17.72, 148.66) 12/16/2015   03:28:11    (  17.36, 147.02)  177.88            127
 12/24/2015   02:41:59   (  22.18, 160.01) 12/24/2015   02:38:38    (  21.90, 158.61)  148.47            201
 12/29/2015   15:09:37   (  22.58, 159.88) 12/29/2015   15:13:05    (  23.88, 157.35)  296.79            208
 01/01/2016   03:29:56   (  17.41, 148.80) 01/01/2016   03:27:54    (  17.04, 147.10)  185.80            122