Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2014 2 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)
 02/09/2014   15:10:31   (  22.60, 159.80) 02/09/2014   15:13:59    (  24.30, 157.50)  300.63            208
 02/12/2014   03:30:53   (  17.11, 148.74) 02/12/2014   03:28:56    (  16.77, 147.15)  173.20            117
 02/20/2014   02:42:45   (  21.53, 160.07) 02/20/2014   02:39:35    (  21.27, 158.75)  139.29            190
 02/25/2014   15:10:39   (  22.61, 159.80) 02/25/2014   15:14:08    (  24.66, 157.62)  317.37            209
 02/28/2014   03:30:43   (  16.38, 148.93) 02/28/2014   03:28:58    (  16.07, 147.35)  172.21            105