Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 3 17.  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)
 03/19/2015   03:28:59   (  10.09, 150.40) 03/19/2015   03:29:30    (   9.73, 148.86)  173.93             31
 03/27/2015   02:40:08   (  12.78, 162.23) 03/27/2015   02:39:22    (  12.50, 160.92)  145.87             46
 03/29/2015   16:21:52   (  10.00, 140.13) 03/29/2015   16:18:22    (   7.07, 139.17)  342.95            210
 04/04/2015   03:28:35   (  10.06, 150.54) 04/04/2015   03:29:08    (   9.70, 148.88)  186.47             33
 04/12/2015   02:39:25   (  12.20, 162.54) 04/12/2015   02:38:49    (  11.90, 161.08)  161.81             36