Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 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)
 03/11/2015   02:40:14   (  12.39, 162.23) 03/11/2015   02:39:35    (  12.15, 160.99)  137.09             39
 03/13/2015   16:22:06   (  10.06, 140.04) 03/13/2015   16:18:37    (   7.27, 139.20)  322.72            209
 03/19/2015   03:28:58   (  10.11, 150.40) 03/19/2015   03:29:30    (   9.75, 148.85)  174.42             32
 03/27/2015   02:40:00   (  12.59, 162.29) 03/27/2015   02:39:18    (  12.30, 160.96)  147.74             42
 03/29/2015   16:21:45   (  10.04, 140.16) 03/29/2015   16:18:16    (   7.39, 139.24)  311.63            209
 04/04/2015   03:28:24   (  10.07, 150.59) 04/04/2015   03:29:07    (   9.70, 148.88)  191.05             43