Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 3 6.  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)
 03/11/2015   02:40:13   (  12.37, 162.23) 03/11/2015   02:39:34    (  12.13, 160.99)  137.05             39
 03/13/2015   16:22:07   (  10.04, 140.03) 03/13/2015   16:18:38    (   7.24, 139.19)  324.11            209
 03/19/2015   03:28:59   (  10.10, 150.40) 03/19/2015   03:29:31    (   9.76, 148.85)  174.27             32
 03/27/2015   02:40:02   (  12.57, 162.28) 03/27/2015   02:39:20    (  12.31, 160.95)  147.51             42
 03/29/2015   16:21:48   (  10.03, 140.15) 03/29/2015   16:18:19    (   7.34, 139.22)  316.43            209