Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 12 8.  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   (  22.60, 159.82) 12/13/2015   15:13:18    (  23.72, 157.31)  285.60            208
 12/16/2015   03:30:17   (  17.70, 148.66) 12/16/2015   03:28:10    (  17.34, 147.03)  177.84            127
 12/24/2015   02:42:01   (  22.25, 159.99) 12/24/2015   02:38:39    (  21.93, 158.60)  148.31            202
 12/29/2015   15:09:38   (  22.61, 159.88) 12/29/2015   15:13:06    (  23.86, 157.34)  294.81            208
 01/01/2016   03:29:59   (  17.49, 148.78) 01/01/2016   03:27:56    (  17.12, 147.08)  185.31            123