Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2014 3 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)
 03/08/2014   02:41:47   (  19.42, 160.70) 03/08/2014   02:39:11    (  19.15, 159.32)  147.58            156
 03/13/2014   15:09:56   (  22.61, 160.01) 03/13/2014   15:13:24    (  27.75, 158.49)  592.08            208
 03/16/2014   03:28:54   (  12.91, 149.95) 03/16/2014   03:28:06    (  12.56, 148.23)  190.51             48
 03/24/2014   02:39:22   (  15.07, 162.02) 03/24/2014   02:37:59    (  14.76, 160.45)  172.71             83
 03/26/2014   16:20:16   (  10.05, 140.48) 03/26/2014   16:16:47    (   5.71, 138.96)  510.91            209
 04/01/2014   03:26:34   (  10.08, 150.99) 04/01/2014   03:27:16    (   9.66, 148.99)  224.17             42