Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 12 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)
 12/13/2015   15:09:50   (  22.61, 159.83) 12/13/2015   15:13:18    (  23.72, 157.31)  285.49            208
 12/16/2015   03:30:17   (  17.68, 148.67) 12/16/2015   03:28:10    (  17.33, 147.03)  177.80            127
 12/24/2015   02:42:00   (  22.24, 160.00) 12/24/2015   02:38:38    (  21.92, 158.60)  148.27            202
 12/29/2015   15:09:38   (  22.62, 159.89) 12/29/2015   15:13:07    (  23.80, 157.33)  293.09            209
 01/01/2016   03:29:59   (  17.48, 148.78) 01/01/2016   03:27:56    (  17.11, 147.08)  185.31            123