Simultaneous Nadir Overpasses (SNOs) between AQUA and NPP over region 
TLE Epoch: 2015 4 30.  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)
 05/03/2015   15:11:03   (  22.63, 159.75) 05/03/2015   15:14:32    (  27.27, 158.41)  534.01            209
 05/06/2015   03:30:32   (  14.20, 149.37) 05/06/2015   03:29:23    (  13.93, 148.03)  148.17             69
 05/14/2015   02:42:21   (  19.30, 160.60) 05/14/2015   02:39:48    (  19.08, 159.54)  114.42            153
 05/19/2015   15:10:44   (  22.62, 159.79) 05/19/2015   15:14:13    (  26.29, 158.24)  437.36            209
 05/22/2015   03:30:22   (  14.98, 149.26) 05/22/2015   03:29:00    (  14.73, 147.93)  145.46             82