Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 12 18.  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   (  22.67, 159.86) 12/24/2015   02:38:48    (  22.50, 158.46)  144.83            209
 12/29/2015   15:09:55   (  22.61, 159.82) 12/29/2015   15:13:17    (  23.22, 157.18)  278.24            202
 01/01/2016   03:30:38   (  18.61, 148.44) 01/01/2016   03:28:16    (  18.28, 146.80)  176.70            142
 01/06/2016   15:59:20   (  22.62, 147.47) 01/06/2016   16:02:49    (  27.12, 145.50)  538.37            209
 01/09/2016   02:42:16   (  22.66, 159.87) 01/09/2016   02:38:47    (  23.12, 158.30)  168.33            209
 01/14/2016   15:09:49   (  22.59, 159.85) 01/14/2016   15:13:04    (  23.20, 157.19)  280.85            195