Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2014 3 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)
 03/08/2014   02:41:51   (  19.54, 160.66) 03/08/2014   02:39:13    (  19.28, 159.29)  146.66            158
 03/13/2014   15:10:28   (  22.61, 159.88) 03/13/2014   15:13:56    (  25.88, 158.00)  411.06            208
 03/16/2014   03:30:24   (  15.58, 149.16) 03/16/2014   03:28:52    (  15.26, 147.60)  171.70             92
 03/24/2014   02:42:18   (  20.23, 160.47) 03/24/2014   02:39:29    (  19.99, 159.19)  136.21            169
 03/29/2014   15:10:33   (  22.62, 159.89) 03/29/2014   15:14:02    (  25.74, 158.04)  394.40            209
 04/01/2014   03:30:21   (  15.42, 149.24) 04/01/2014   03:28:52    (  15.11, 147.72)  166.97             89