Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2014 4 4.  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)
 04/09/2014   02:41:26   (  16.64, 161.24) 04/09/2014   02:39:37    (  16.36, 159.87)  148.66            109
 04/17/2014   03:28:44   (  10.01, 150.40) 04/17/2014   03:28:44    (   9.60, 148.74)  187.88              0
 04/25/2014   02:39:15   (  11.75, 162.50) 04/25/2014   02:38:46    (  11.45, 160.98)  168.68             29
 04/27/2014   16:21:07   (  10.04, 140.19) 04/27/2014   16:17:38    (   9.06, 139.47)  134.16            209