Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 12 20.  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)
 12/24/2015   02:42:17   (  22.65, 159.86) 12/24/2015   02:38:48    (  22.49, 158.46)  144.83            209
 12/29/2015   15:09:54   (  22.62, 159.82) 12/29/2015   15:13:16    (  23.22, 157.19)  278.07            202
 01/01/2016   03:30:38   (  18.65, 148.43) 01/01/2016   03:28:15    (  18.29, 146.80)  176.49            143
 01/06/2016   15:59:20   (  22.63, 147.47) 01/06/2016   16:02:49    (  27.08, 145.50)  533.31            209
 01/09/2016   02:42:15   (  22.64, 159.88) 01/09/2016   02:38:46    (  23.17, 158.30)  171.97            209
 01/14/2016   15:09:49   (  22.62, 159.85) 01/14/2016   15:13:02    (  23.23, 157.20)  279.93            193