Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2014 1 31.  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)
 02/04/2014   02:42:29   (  21.53, 160.11) 02/04/2014   02:39:18    (  21.23, 158.75)  145.05            191
 02/09/2014   15:10:19   (  22.64, 159.85) 02/09/2014   15:13:48    (  24.95, 157.67)  339.35            209
 02/12/2014   03:30:17   (  16.03, 149.06) 02/12/2014   03:28:38    (  15.70, 147.40)  180.82             99
 02/20/2014   02:41:31   (  19.32, 160.74) 02/20/2014   02:38:57    (  19.00, 159.31)  154.76            154
 02/25/2014   15:09:50   (  22.61, 160.00) 02/25/2014   15:13:18    (  27.67, 158.40)  585.20            208
 02/28/2014   03:28:56   (  13.19, 149.86) 02/28/2014   03:28:04    (  12.80, 148.11)  195.29             52